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 Friday, January 03, 2014
Tech Predictions, 2014

Here we go again: the annual review of last year's predictions, and a set of new ones for the new year.

2013 Retrospective

Without further ado, first we examine last year's Gregorian prognostications:

  • THEN:"Big data" and "data analytics" will dominate the enterprise landscape.

    NOW: Yeah, it was a bit of a slam dunk breakaway kind of call, but it clearly counts. Vendors and consulting companies were climbing all over themselves to talk about "big data", and startups basing their existence on gathering, analyzing, displaying and (theoretically) offering insight from "big data" were all the rage in the startup community, such as local startup Predixion (CTO'ed by a buddy of mine). If you live anywhere in the Pacific Northwest, chances are there's a similar kind of startup within spitting distance of you right now. 1-0.

  • THEN:NoSQL buzz will start to diversify.

    NOW: It didn't happen quite as much as I'd expected, but the various vendors are, in fact, starting to use terms other than "NoSQL" to define themselves. In particular, we're seeing database vendors (MongoDB, Neo4J, Cassandra being my principal examples) talking about being a "document database" or a "graph database" instead of being a "NoSQL" database, though they're fairly quick to claim the NoSQL tag when it comes to differentiating against the traditional relational database. Since I said "start" to diversify, I'm going to take the win. 2-0.

  • THEN:Desktops increasingly become niche products.

    NOW: Well, this one is hard to call. Yes, desktop sales have plummeted, but it's hard to see what those remaining sales are being used for. I will point out that the Mac Pro, with it's radically-different internal construction, definitely puts a new spin on the desktop, but I'm not sure that this counts. Since I took the benefit of the doubt on the last one, I'll forgot it on this one. 2-1.

  • THEN:Home servers will start to grow in interest.

    NOW: I wish I had sales numbers to go with some of this stuff, as hard evidence, but the fact that many people are using their console devices (XBox, XBoxOne, PS3, PS4, etc) as media servers means I missed the boat on this one. I think we may still see home servers continue to rise, but the clear trend has been to make the console gaming device into a server, and not purchase servers on their own to serve as media servers. 2-2.

  • THEN:Private cloud is going to start getting hot.

    NOW: Meh. I see certain cloud vendors talking about private cloud, but for the most part the emphasis is still on public cloud. 2-3. Not looking good for the home team.

  • THEN:Oracle will release Java8, and while several Java pundits will decry "it's not the Java I love!", most will actually come to like it.

    NOW: Well, let's start with the fact that Java8 actually didn't ship this year. And even that, what I would have guessed would be a hugely-debated and hotly-contested choice, really went by without much fanfare or complaint, except from some of the usual hard-liner complaint sources. Which means one of two things: either (a) it's finally come to pass that most of the people developing on top of the JVM really don't care about the Java language's growth anymore, or (b) the community felt as Oracle's top engineering brass did, that getting this release "right" was far better than getting it out on the promised deadline. And while I agree with the (b) group on that, it still means that the prediction was way off. 2-4.

  • THEN:Microsoft will start courting the .NET developers again.

    NOW: Quite frankly, this one got left in dust almost the moment that Ballmer's retirement was announced. Whatever emphasis the company as a whole might have put into courting .NET developers back into the fold was immediately shelved, at least until a successor comes in to take Ballmer's place and decide what kind of strategy the company as a whole will pursue. Granted, the individual divisions within Microsoft, most notably DevDiv, continue to try and woo the developer community, but that was always going to be the case. However, the lack of any central "push" from the company effectively meant that the perceived "push" against .NET in favor of WinRT was almost immediately left behind, and the subsequent declaration of the Surface's failure (and Surface was by far the most public and prominent of the WinRT-based devices) from most corners meant that most .NET developers who cared about this breathed a sigh of relief and no longer felt those Microsoft cyclical Darwinian crosshairs (the same ones that claimed first C programmers, then C++ programmers, then COM programmers) on their back. Still, no points. 2-5.

  • THEN:Samsung will start pushing themselves further and further into the consumer market.

    NOW: And boy, howdy, did they. Samsung not only released several new versions of their various devices into the market, but they've also really pushed their consumer electronics in other form factors, too, such as their TVs and such. If there is a rival to Apple in the consumer electronics department, it is clearly Samsung, and the various court cases and patent violation filings are obvious verification of that. 3-5.

  • THEN:Apple's next release cycle will, again, be "more of the same".

    NOW: Can you say "iPhone 5c", and "iPad Air", boys and girls? Even iOS7 is basically the same OS, with a skinnier font and--oh, wow, innovation!--nested folders. 4-5.

  • THEN:Visual Studio 2014 features will start being discussed at the end of the year.

    NOW: Microsoft tossed me a major curve ball with their announcement of quarterly releases, and the subsequent release of Visual Studio 2013, and as a result, we haven't really seen the traditional product hype cycle out of the Microsoft DevDiv that we're used to. Again, how much of that is due to internal confusion over how to project their next-gen products out into the world without a clear Ballmer successor, and how much of that was planned from the beginning isn't clear, but either way, we ain't heard a peep outta nobody about C# 6 at all in 2013, so... 4-6.

  • THEN:Scala interest wanes.

    NOW: If anything, the opposite took place--Typesafe, Scala's owner/pimp/corporate backer, made some pretty splashy headlines within the JVM community, and lots of people talked a lot about it in places where Scala wasn't being discussed before. We can argue about whether that indicates just a strong marketing effort (where before Typesafe's formation there really was none) or actual growth in acceptance, but either way, I can't claim that it "waned", so the score becomes 4-7.

  • THEN:Interest in native languages will rise.

    NOW: Again, this one is hard to judge. There's been some uptick in interest in those native languages (Rust, Go, etc), and certainly there's been some interesting buzz around some kind of Phoenix-like rise of C++, but none of it has really made waves within the mainstream that I can see. (Then again, I don't really spend a lot of time in those areas where native languages would have made a larger mark, so this could be observer's contextual bias at work here.) That said, more native-based languages are emerging, and certainly Apple's interest and support in LLVM (which, contrary to it's name, is not really a "virtual machine", per se) can be seen as such, but not enough to make me feel comfortable saying I got this one right. 4-8.

  • THEN:Hardware is the new platform.

    NOW: Surface was a bust. Chromebooks hardly registered on anybody's radar. Dell threw out an arguable Surface-killer tablet, but for most consumer-minded folks it never even crossed their minds, it seems. Hardware may be the new platform, and certainly we're seeing a lot of non-x86-based machines continuing their race into consumers' hands, but most consumers don't think twice about the hardware as much as they do the visible projection of that hardware choice, in the operating system. (Think about it this way: when you go buy a device, do you care about the CPU, or the OS--iOS, Android, Windows8--running it?) 4-9.

  • THEN:APIs for lots of things are going to come out.

    NOW: Oh, my, yes. More on this later, but for now... 5-9.

Well, with a final tally of 5 "rights" to 9 "wrongs", clearly my 2013 record was about as win-filled as the Baltimore Ravens' 2013 record. *sigh* Oh, well, can't win 'em all every year, right?

2014 Predictions

Now, though, let's do the fun part: What does Ted think 2014 has in store for us geeky types?

  • iOS, Android and Windows8 start to move into your car. Audi has already announced this. Ford announced this last year with their SDK release. Frankly, with all the emphasis on "wearable tech" and "alternative tech", this seems a natural progression, considering how much time Americans, at least, spend time in their car. What, exactly, people will want software developers to do with this capability remains entirely unclear to me (and, it seems, to everybody else, given the lack of apps for the Ford SDK so far), but auto manufacturers will put it into their 2015 models just because their competitors are starting to, and the auto industry is one place were you cannot be seen as not keeping up with the neighbors.
  • Wearable tech hypes up (with little to no actual adoption or innovation). The Samsung Smart Watch is out, one of nearly a dozen models introduced in 2013. Then there was Google Glass. And given that the tech industry is a frequent "hype it before we even barely know it's going to work" kind of place, this one seems like another fast breakway layup kind of claim. Note that I fully expect that what we see offered will, in time, be as hip and as cool as the original Newton, meaning that these first iterations will be stumblin', fumblin', bumblin' attempts to try and see what anybody can do with these things to make them even remotely useful, and that unless you like living on the very edge of techno-geekery, there'll be absolutely zero reason for anyone to get one for at least calendar year 2014.
  • Apple's gadgets will be more of the same. Same one as last year: iPhone, iPad, iPod, MacBook, they're all going to be incremental refinements on what we see already. There will be no AppleTV, there will be no iWatch, there will be no radical new laptop-ish thing. Apple is clearly the market leader, and they are clearly in the grips of the Innovator's Dilemma, and they have no clear challenger (yet) that threatens to dethrone them, leaving them with no reason to shake up the status quo.
  • Android market consolidates further around Samsung and Motorola. The Android consumer market has slowly been collapsing around those two manufacturers, and I don't see any reason for that trend to change. Yes, other carriers will continue to offer Android on their devices, and yes, other device manufacturers will continue to put Android on their devices, and yes, Android will continue to appear on things other than tablets and phones, but as far as the consumer electronics world goes, the Android market will be classified as Samsung, Motorola, and everybody else.
  • We'll see one iOS release, two minor Android releases, and maybe two Windows8 minor releases. The players are basically set, the game plans are already in play, and nobody appears to have any kind of major game-changing feature set in the wings. 2014 will be a year of minor releases, tweaks to the existing systems and UIs, minor software improvements, and so on. I can't see the mobile market getting any kind of major shock or surprise this year.
  • Windows 8/8.1/9/whatever gains a little respect, but not market share gains. Windows8 as a tablet OS has been quietly gathering some converts, particularly among those who didn't find themselves on the WindowsStore-only SurfaceRTs, and as such, I think the "Windows line" will begin to gather more "critics' choice" kinds of respect, but that's not going to translate into much in the way of consumer sales. Unfortunately for the Microsoftians, Windows as of yet doesn't demonstrate any kind of compelling reason to choose it over the other two market leaders (iOS and Android), and until that happens, Windows8, as a device OS, remains a distant third and always will.
  • UI/UX emphasis is going to start moving to "alternate" input streams. Microsoft's Kinect has demonstrated that gesture is a viable input technology. Google Glass demonstrated that eyeballs can drive a UI. Voice commands are making their way into console gaming/media devices (XBox, etc). This year, enterprise and business developers, looking for ways to make a splash and justify greater research budgets, are going to start experimenting with how those "alternative" kinds of input can be utilized in non-gaming scenarios. Particularly when combined with the rise of automobiles offering programmable SDKs/platforms (see above), this represents a huge, rich area for exploration.
  • Java-the-language starts to see a resurgence of "mojo". Java8 will ship this year--not even God Himself could stop that at this point. And once it does, Java-the-language will see a revitalization as developers who've been flirting with Groovy, Scala, Clojure, and other lambda-supporting languages but can't use them on the job start to bring those ideas into Java APIs. Google's already been doing this with Guava, but now many of those ideas--already percolating in some libraries--will explode into common usage.
  • Meanwhile, this will be a quiet year for C#. The big news coming out of Microsoft, "Roslyn", the "compiler-as-a-service" rewrite of the C# and Visual Basic compilers, won't be of much use to most developers on a practical level, and as a result, this will likely be a pretty quiet year for C# and VB.
  • Functional languages will remain "hipster" tools that most people can't use. Haskell remains far out of reach for most developers, and that's the most approachable of the various functional languages discussed. (Don't even get me started on Julia, Pure, Clean, or any of the others.) As much as I wish to the contrary, this is also likely to remain true for several of the "hybrid" languages, like Scala, F#, and Clojure, though I do think they will see some modest growth as some of the upper-echelon development community begins to grok them. Those who understand them will continue to do some amazing things with them, but this is not the year I would suggest starting a business with anything "functional" as part of its business model, because not only will it be difficult to find developers who can use those tools, but trying to sell developer-facing things with those tools at the core will find a pretty dry and dusty market.
  • Dynamic languages will see continued growth and success. Ruby doesn't look to be slowing down, Node/JavaScript only looks to get more hyped, and Objective-C remains the dominant language for doing iOS development, which itself doesn't look to be slowing down. More importantly, I think we're going to start to see a rise in hybrid "static/dynamic" languages, wherein developers can choose (based on the way they write their code) compiler enforcement as they wish. Between the introduction of "invokedynamic" in Java7 (and its deeper use in Java8), and "dynamic" in C# getting some serious exercise in the Oak framework, I'm becoming more and more convinced that having a language that supports both static and dynamic typing capabilities represents the best compromise between those two poles of software development languages. That said, neither Java nor C# "gets it all the way right" on this topic, and I suspect that somewhere out there, there's a language hacker who's got a few ideas that he or she will trot out and make us all go "Doh!"
  • HTML 5 "fragmentation" will start to echo in the industry. Unfortunately, HTML 5 is not the same thing to all browsers, and those who are looking to HTML 5 as a way to save them from platform differences are going to start to feel some pain. That, in turn, is going to lead to some backlash as they are forced to deal with something they thought they were going to be saved from.
  • "Mobile browsers" become just "browsers". With the explosive growth of devices (tablets and phones) and the explosive growth of the capabilities of those devices (processor(s), memory, and so on), the need for a "crippled" or "low-end-optimized" browser has effectively gone the way of the Dodo bird. As a result...
  • "Mobile web" starts a slow, steady slide into irrelevancy. ... sites optimized for "mobile" browsing experiences--which represents a non-trivial development effort in most cases--will start to drop away, mostly due to neglect. Instead...
  • "Responsive web" becomes the new black. ... we'll see web sites using CSS frameworks (among other tools) to build user interfaces that adjust themselves to the physical viewsizes and input capabilities of the target browser. Bootstrap is an obvious frontrunner here for building said kinds of user interfaces, but don't be surprised if a number of other CSS and JavaScript frameworks to achieve the same ends start to spring up.
  • Microsoft fails to name a Ballmer successor. Yeah, this one's a stretch. It's absolutely inconceivable that they wouldn't. And yet, in all honesty, I can't see the Microsoft board finding somebody that meets Bill's approval from outside of the company, and I can't imagine anyone inside of the company who isn't somehow "tainted" by the various internecine wars that have been fought since Bill's departure. It is, quite frankly, a mess, and I don't know that it'll be cleaned up before this time next year. It would be a horrible result were that to be the case, by the way, but... *shrug* I dunno. Pretty clearly, whomever it is, is going to have a monumental task in front of them.
  • "Programmable Web" becomes an even bigger thing, leading companies to develop APIs that make no sense to anybody. Right now, as we spin up 2014, it's become the fashionable thing to build your website not as an HTML-based presentation layer website, but as a series of APIs. For some companies, that makes sense; for others, though, that is going to be a seductive Siren song that leads them to a huge development effort for little payoff. Note, I think almost all companies have interesting data and/or resources that can be exposed as APIs that would lead to some powerful mashups--I'm not arguing otherwise. But what I think we're about to stumble into is the cargo-culting blind obedience to the letter of the idea that so many companies undertake when a new concept hits the industry hard, as "Web APIs" are doing now.
  • Five new single-page JavaScript MVC application frameworks will ship and gather interest. For those of you who know me from the Java world, remember the 2000s and the huge glut of open-source Web frameworks that led us all into analysis paralysis for a half-decade or more? I see absolutely no reason why the exact same thing isn't already under way in the JavaScript Web framework world, with the added delicious twist that in the JavaScript world, we can do it on BOTH the client AND the server. Let the forking begin.
  • Apple's MacPro machine inspires dozens of knock-off clones. When the MacBook came out, silver-metal cases with chiclet keyboards suddenly appeared all over the PC clone market. When the MacBook Air came out, suddenly thin was in. What on Earth makes us think that the trashcan-sized MacPro desktop/server isn't gong to have exactly the same effect?
  • Desktop machine sales creep slightly higher. Work this through with me before you shoot it down out of hand: Tablet sales are continuing to skyrocket, and nothing seems to change that. But people still need to produce stuff (reports, articles, etc), and that really requires a keyboard. But if tablets are easier to consume data on the road, you're more likely to carry your tablet instead of your laptop (and most people--myself wildly excluded--don't like carrying more than one or at most two devices with them). Assuming that your mobile workload is light enough that you can "get by" using your tablet, and you don't want to carry a laptop *and* a tablet, you're more likely to leave your laptop at home or at work. Once your laptop is a glorified workstation, why pay that added premium for a laptop at all? In other words, I think people are going to start doing this particular math, and while tablets will continue to eat away at the "I need a mobile computing solution" sales, desktops are going to start to eat away at the "I need a computing solution for my desk" sales. Don't believe me? Look around the office at all the workstations powered by laptops already, and then start looking at whether those laptops are actually being used as laptops, and whether that mobility need could, in fact, be replaced by a far lighter tablet. It's a stretch, and it may not hit in 2014, but I really think that the world is going to slowly stratify into an 80/20 split of tablets and desktops.
  • Dozens of new "cloud" platforms will be introduced, and most of them will remain entirely irrelevant behind the "Big Three". Lots of the big players are going to start tossing out their version of a cloud platform if they haven't already (HP, Oracle, IBM, I'm looking at you), and smaller players are going to start offering "cloud" platforms of their own (a la Rackspace), but fundamentally, the cloud will remain a "Big Three" place: Amazon's AWS, Microsoft's Azure, and Google's Cloud Platform.
  • We will never see any kind of official announcement, much less actual working prototypes, around Amazon's "Drone Delivery" program ever again. Sure, Jeff made a splash when he announced it. Sure, it resonates with the geek crowd. Sure, it seems like a spiffy idea on paper. Do you have any idea of how much infrastructure and overhead (and potential for failure that has nothing to do with geeks deploying "anti-drone defenses") would be involved? No way. What's more, Amazon is not really in the shipping business (as the all-but-failed Amazon "deliver groceries to your front door" program highlights), but in the "We'll sell it to you and ship it through somebody else" business. It's a cool idea, but it'll never, ever, EVER, see the light of day.

As always, thanks for reading, and keep this channel open--I've got some news percolating about my next new adventure that I'm planning to "splash" in mid-January. It won't be too surprising, but it's exciting (at least to me), and hopefully represents an adventure that I can still be... uh... adventuring... for years to come.


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Friday, January 03, 2014 12:35:25 AM (Pacific Standard Time, UTC-08:00)
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 Thursday, August 29, 2013
Seattle (and other) GiveCamps

Too often, geeks are called upon to leverage their technical expertise (which, to most non-technical peoples' perspective, is an all-encompassing uni-field, meaning if you are a DBA, you can fix a printer, and if you are an IT admin, you know how to create a cool HTML game) on behalf of their friends and family, often without much in the way of gratitude. But sometimes, you just gotta get your inner charitable self on, and what's a geek to do then? Doctors have "Doctors Without Boundaries", and lawyers can always do work "pro bono" for groups like the Innocence Project and so on, but geeks....? Sure, you could go and join the Peace Corps, but that's hardly going to really leverage your skills, and Lord knows, there's a ton of places (charities) that could use a little IT love while you're off in a damp and dismal jungle somewhere.

(Not you, Seattle. You're just damp today. Dismal won't be for another few months, when it's raining for weeks on end.)

(As if in response, the rain comes down even harder.)

About five or so years ago, a Microsoft employee realized that geeks didn't really have an outlet for their desires to volunteer and help out in their communities through the skills they have patiently mastered. So Chris created GiveCamp, an organization dedicated to hosting "GiveCamps" all over the US, bringing volunteer developers, designers, and other IT professionals together with charities that need some IT love, whether that's in the form of a new mobile app, some touch-up on the website, a port from a Microsoft Access app to something even remotely more modern, or whatever.

Seattle GiveCamp is coming up, October 11-13, at the Microsoft Commons. No technical bias is implied by that--GiveCamp isn't an evangelism event, it's a "let's help people" event. Bring your Java, PHP, Python, and yes, maybe even your Perl, and create some good karma for groups that are doing good things. And for those of you not local to Seattle, there's lots of other GiveCamps being planned all over the country--consider volunteering at one nearby.


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Thursday, August 29, 2013 12:19:45 PM (Pacific Daylight Time, UTC-07:00)
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 Monday, August 19, 2013
Programming Interviews

Apparently I have become something of a resource on programming interviews: I've had three people tell me they read the last two blog posts, one because his company is hiring and he wants his people to be doing interviews right, and two more expressing shock that I still get interviewed--which I don't really think is all that fair, more on that in a moment--and relief that it's not just them getting grilled on areas that they don't believe to be relevant to the job--and more on that in a moment, too.

A couple of things have emerged in the last few weeks since the saga described earlier, so I thought I'd wrap the thing up with a final post. Besides, I like things that come in threes.

First, go see this video. Jonathan pinged me about it shortly after the second blog post came out, and damn if he and Mitch don't nail a bunch of things directly on the head. Specifically, I want to call out two lists they put into their slides (which I can't find online, or I'd include a link, sorry).

One, what are the things you're trying to answer in an interview? They call it out as three questions an interviewer or interview team is seeking to answer:

  1. Can they do the job?
  2. Will they be motivated?
  3. Would they get along with the team?
Personally, #2 to me is a red herring--frankly, I expect that if you, the candidate, take a job with my company, then either you have determined that you will be motivated to work here, or else you can force yourself to be. I don't really expect you to be the company cheerleader (unless, of course, I'm hiring you for that role), but I do expect professionalism: that you will be at work when you are scheduled or expected to be, that you will do quality work while you are there, and that you will look to make the best decisions possible given the information you have at the time. Motivation is not something I should be interviewing for; it's something you should be bringing.

But the other two? Spot-on.

And this brings me to my interim point: I'm not opposed to a programming test. I think I gave the impression to a number of readers that I think that I'm too good or too famous or whatever to be tested on my skills; that's the furthest thing from the truth. I think you most certainly should be verifying that I have the technical chops to do the job you want me to do; what I do want to suggest, however, is that for a number of candidates (myself included), there are ways to determine my technical chops without forcing me to stand at a whiteboard and code with a pen. For some candidates, you can examine their GitHub profile and see how many repos they have that're public (and have a look through some of the code they wrote). In fact, what I think would be a great interview question would be to look at a repo they haven't touched in a year, find some element of the code inside there, and ask them to explain what they were thinking when they wrote it. If it's well-documented, or if it's simple code, they'll be able to do that fairly quickly (once they context-swap to the codebase--got to give them time to remember, after all). If it's a complex or tricky bit, and they can't explain it...

... well, you just learned something about the code they write, now didn't you?

In my case, I have no public GitHub profile to choose from, but I'm an edge case, in that you can also watch my videos, and/or read my books and articles. Granted, there's a chance that I have amazing editors who save me from incredible stupidity and make me look good... but what are the chances that somebody is doing that for over a decade, across several technology platforms, and all without any credit? Probably pretty close to nil, IMHO. I'm not unique in this case--there's others whose work more or less speaks for itself, and I think you're disrespecting the candidate if you don't do your homework on the interview first.

Which, by the way, brings up another point: As an interviewer, you have a responsibility to do your homework on the candidate before they walk in the door, particularly if you're expecting them to have done their homework on your firm. Don't waste my time (and yours, particularly since yours is probably a LOT more expensive than mine, considering that a lot of companies are doing "interview loops" these days with a team of people, and all of their time adds up). If you're not going to take my candidacy seriously, why should I take your job or job offer or interview seriously?

The second list Jon and Mitch call out is their "interviewing antipatterns" list:

  • The Riddler
  • The Disorienter
  • The Stone Tablet
  • The Knuth Fanatic
  • The Cram Session
  • Groundhog Day
  • The Gladiator
  • Hear No Evil
I want you to watch the video, so I'm not going to summarize each here; go watch it. If you're in a position of doing hiring, ask yourself how many of those you yourself are perpetrating.

Second, go read this article. I don't like that he has "Dig into algorithms, data structures, code organization, simplicity" as one of his takeaways, because I think most interviewers are going to see "algorithms" and "data structures" and stop there, but the rest seems pretty spot-on.

Third, ask yourself the critical question: What, exactly, are we doing wrong? You think you're an agile organization? Then ask yourself how much feedback you get on your interviewing process, and how you would know if you screwed it up. Yes, you will know if hire a bad candidate, but how will you know if you're letting good candidates go? Maybe you're the hot company that everybody wants to work at, and you can afford to throw some wheat out with the chaff a few times, but you're not going to be in that position for long if you do, and more importantly, you're not going to be in that position for long, period. If you don't start trying to improve your hiring process now, by the time you need to, it'll be too late.

Fourth, practice! When unit-testing came out, many programmers said, "I don't need to test my code, my code is great!", and then everybody had a good laugh at their expense. Yet I see a lot of companies say essentially the same thing about their hiring and interview practices. How do you test an interview process? Easy--interview yourselves. Work with known-good conditions (people you know, people who work with you already, and so on), and run them through the process, but with the critical stipulation that you must treat them exactly as you would a candidate. If you look at your tech lead and say, "Yeah, this is where I'd ask you a technical question, but I already know...", then unless you're prepared to do that for your candidates, you're cheating yourself on the feedback. It's exactly like saying, "Yeah, this is where I'd write a test checking to see how we handle a null in that second parameter, but I already know...". If you're not prepared to do the latter, don't do the former. (And if you are prepared to do the latter, then I probably don't want to work with you anyway.)

Fifth, remember: Interviewing is not easy! It's not easy on the candidates, and it shouldn't be on you. It would be great if you could just test somebody on one dimension of themselves and call it good, but as much as people want to pretend that a programmer is just a code-spewing cog in a machine, they're not. If you want well-rounded candidates, then you must interview all aspects of that well-roundedness to determine if they are or not.

Whatever you interview for, that's what you will get.


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Monday, August 19, 2013 9:30:55 PM (Pacific Daylight Time, UTC-07:00)
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 Tuesday, February 26, 2013
"We Accept Pull Requests"

There are times when the industry in which I find myself does things that I just don't understand.

Consider, for a moment, this blog by Jeff Handley, in which he essentially says that the phrase "We accept pull requests" is "cringe-inducing":

Why do the words “we accept pull requests” have such a stigma? Why were they cringe-inducing when I spoke them? Because too many OSS projects use these words as an easy way to shut people up. We (the collective of OSS project owners) can too easily jump to this phrase when we don’t want to do something ourselves. If we don’t see the value in a feature, but the requester persists, we can simply utter, “We accept pull requests,” and drop it until the end of days or when a pull request is submitted, whichever comes first. The phrase now basically means, “Buzz off!”
OK, I admit that I'm somewhat removed from the OSS community--I don't have any particular dogs in that race, as the old saying goes--and the idea that "We accept pull requests" is a "Buzz off!" phrase is news to me. But I understand what Jeff is saying: a phrase has taken on a meaning of its own, and as is often the case, it's a meaning that's contrary to its stated one:
At Microsoft, having open source projects that actually accept pull requests is a fairly new concept. I work on NuGet, which is an Outercurve project that accepts contributions from Microsoft and many others. I was the dev lead for Razor and Web Pages at the time it went open source through Microsoft Open Tech. I collaborate with teams that work on EntityFramework, SignalR, MVC, and several other open source projects. I spend virtually all my time thinking about projects that are open source. Just a few years ago, this was unimaginable at Microsoft. Sometimes I feel like it still hasn’t sunk in how awesome it is that we have gotten to where we are, and I think I’ve been trigger happy and I’ve said “We accept pull requests” too often I typically use the phrase in jest, but I admit that I have said it when I was really thinking “Buzz off!”
Honestly, I've heard the same kind of thing from the mouths of Microsoft developers during Software Development Reviews (SDRs), in the form of the phrase "Thank you for your feedback"--it's usually at the end of a fervent discussion when one of the reviewers is commenting on a feature being done (or not being done) and the team is in some kind of disagreement about the feature's relative importance or the implementation used. It's usually uttered in a manner that gives the crowd a very clear intent: "You can stop talking now, because I've stopped listening."
The weekend after the MVP summit, I was still regretting having said what I said. I wished all week I could take the words back. And then I saw someone else fall victim. On a highly controversial NuGet issue, the infamous Phil Haack used a similar phrase as part of a response stating that the core team probably wouldn’t be taking action on the proposed changes, but that there was nothing stopping those affected from issuing a pull request. With my mistake still fresh in my mind, I read Phil’s words just as I’m sure everyone in the room at the MVP summit heard my own. It sounded flippant and it had the opposite effect from what Phil intended or what I would want people thinking of the NuGet core team. From there, the thread started turning nasty. We were stuck arguing opinions and we were no longer discussing the actual issue and how it could be solved.
As Jeff goes on to mention, I got involved in that Twitter conversation, along with a number of others, and as he says, the conversation moved on to JabbR, but without me--I bailed on it for a couple of reasons. Phil proposed a resolution to the problem, though, that seemed to satisfy at least a few folks:
With that many mentions on the tweets, we ran out of characters and eventually moved into JabbR. By the end of the conversation, we all agreed that the words “we accept pull requests” should never be used again. Phil proposed a great phrase to use instead: “Want to take a crack at it? We’ll help.”
But frankly, I don't care for this phraseology. Yes, I understand the intent--the owners of open-source projects shouldn't brush off people's suggestions about things to do with the project in the future and shouldn't reach for a handy phrase that will essentially serve the purpose of saying "Buzz off". And keeping an open ear to your community is a good thing, yes.

What I don't like about the new phrase is twofold. First, if people use the phrase casually enough, eventually it too will be overused and interpreted to mean "Buzz off!", just as "Thank you for your feedback" became. But secondly, where in the world did it somehow become a law that open source projects MUST implement every feature that their users suggest? This is part of the strange economics of open source--in a commercial product, if the developers stray too far away from what customers need or want, declining sales will serve as a corrective force to bring them back around (or, if they don't, bankruptcy of either the product or the company will eventually follow). But in an open-source project, there's no real visible marker to serve as that accountability and feedback--and so the project owners, those who want to try and stay in tune with their users anyway, feel a deeper responsibility to respond to user requests. And on its own, that's a good thing.

The part that bothers me, though, is that this new phraseology essentially implies that any open-source project has a responsibility to implement the features that its users ask for, and frankly, that's not sustainable. Open-source projects are, for the most part, maintained by volunteers, but even those that are backed by commercial firms (like Microsoft or GitHub) have finite resources--they simply cannot commit resources, even just "help", to every feature request that any user makes of them. This is why the "We accept pull requests" was always, to my mind, an acceptable response: loosely translated, to me at least, it meant, "Look, that's an interesting idea, but it either isn't on our immediate roadmap, or it takes the project in a different direction than we'd intended, or we're not even entirely sure that it's feasible or doable or easily managed or what-have-you. Why don't you take a stab at implementing it in your own fork of the code, and if you can get it to some point of implementation that you can show us, send us a copy of the code in the form of a pull request so we can take a look and see if it fits with how we see the project going." This is not an unreasonable response: if you care passionately about this feature, either because you think it should be there or because your company needs that feature to get its work done, then you have the time, energy and motivation to at least take a first pass at it and prove the concept (or, sometimes, prove to yourself that it's not such an easy request as you thought). Cultivating a sense of entitlement in your users is not a good practice--it's a step towards a completely unsustainable model that could, if not curbed, eventually lead to the death of the project as the maintainers essentially give up when faced with feature request after feature request.

I applaud the efforts on the part of project maintainers, particularly those at large commercial corporations involved in open source, to avoid "Buzz off" phrases. But it's not OK for project maintainers to feel like they are under a responsibility to implement any particular feature or idea suggested by a user. Some ideas are going to be good ones, some are going to be just "off the radar" of the project's core committers, and some are going to be just plain bad. You think your idea is one of those? Take a stab at it. Write the code. And if you've got it to a point where it seems to be working, then submit a pull request.

But please, let's not blow this out of proportion. Users need to cut the people who give them software for free some slack.

(EDIT: I accidentally referred to Jeff as "Anthony" in one place and "Andrew" in another. Not really sure how or why, but... Edited.)


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Tuesday, February 26, 2013 1:52:45 AM (Pacific Standard Time, UTC-08:00)
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 Thursday, February 14, 2013
Um... Security risk much?

While cruising through the Internet a few minute ago, I wandered across Meteor, which looks like a really cool tool/system/platform/whatever for building modern web applications. JavaScript on the front, JavaScript on the back, Mongo backing, it's definitely something worth looking into, IMHO.

Thus emboldened, I decide to look at how to start playing with it, and lo and behold I discover that the instructions for installation are:

curl https://install.meteor.com | sh
Um.... Wat?

Now, I'm sure the Meteor folks are all nice people, and they're making sure (via the use of the https URL) that whatever is piped into my shell is, in fact, coming from their servers, but I don't know these people from Adam or Eve, and that's taking an awfully big risk on my part, just letting them pipe whatever-the-hell-they-want into a shell Terminal. Hell, you don't even need root access to fill my hard drive with whatever random bits of goo you wanted.

I looked at the shell script, and it's all OK, mind you--the Meteor people definitely look trustworthy, I want to reassure anyone of that. But I'm really, really hoping that this is NOT their preferred mechanism for delivery... nor is it anyone's preferred mechanism for delivery... because that's got a gaping security hole in it about twelve miles wide. It's just begging for some random evil hacker to post a website saying, "Hey, all, I've got his really cool framework y'all should try..." and bury the malware inside the code somewhere.

Which leads to today's Random Thought Experiment of the Day: How long would it take the open source community to discover malware buried inside of an open-source package, particularly one that's in widespread use, a la Apache or Tomcat or JBoss? (Assume all the core committers were in on it--how many people, aside from the core committers, actually look at the source of the packages we download and install, sometimes under root permissions?)

Not saying we should abandon open source; just saying we should be responsible citizens about who we let in our front door.

UPDATE: Having done the install, I realize that it's a two-step download... the shell script just figures out which OS you're on, which tool (curl or wget) to use, and asks you for root access to download and install the actual distribution. Which, honestly, I didn't look at. So, here's hoping the Meteor folks are as good as I'm assuming them to be....

Still highlights that this is a huge security risk.


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Thursday, February 14, 2013 8:25:38 PM (Pacific Standard Time, UTC-08:00)
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 Tuesday, January 01, 2013
Tech Predictions, 2013

Once again, it's time for my annual prognostication and review of last year's efforts. For those of you who've been long-time readers, you know what this means, but for those two or three of you who haven't seen this before, let's set the rules: if I got a prediction right from last year, you take a drink, and if I didn't, you take a drink. (Best. Drinking game. EVAR!)

Let's begin....

Recap: 2012 Predictions

THEN: Lisps will be the languages to watch.

With Clojure leading the way, Lisps (that is, languages that are more or less loosely based on Common Lisp or one of its variants) are slowly clawing their way back into the limelight. Lisps are both functional languages as well as dynamic languages, which gives them a significant reason for interest. Clojure runs on top of the JVM, which makes it highly interoperable with other JVM languages/systems, and Clojure/CLR is the version of Clojure for the CLR platform, though there seems to be less interest in it in the .NET world (which is a mistake, if you ask me).

NOW: Clojure is definitely cementing itself as a "critic's darling" of a language among the digital cognoscenti, but I don't see its uptake increasing--or decreasing. It seems that, like so many critic's darlings, those who like it are using it, and those who aren't have either never heard of it (the far more likely scenario) or don't care for it. Datomic, a NoSQL written by the creator of Clojure (Rich Hickey), is interesting, but I've not heard of many folks taking it up, either. And Clojure/CLR is all but dead, it seems. I score myself a "0" on this one.

THEN: Functional languages will....

I have no idea. As I said above, I'm kind of stymied on the whole functional-language thing and their future. I keep thinking they will either "take off" or "drop off", and they keep tacking to the middle, doing neither, just sort of hanging in there as a concept for programmers to take and run with. Mind you, I like functional languages, and I want to see them become mainstream, or at least more so, but I keep wondering if the mainstream programming public is ready to accept the ideas and concepts hiding therein. So this year, let's try something different: I predict that they will remain exactly where they are, neither "done" nor "accepted", but continue next year to sort of hang out in the middle.

NOW: Functional concepts are slowly making their way into the mainstream of programming topics, but in some cases, programmers seem to be picking-and-choosing which of the functional concepts they believe in. I've heard developers argue vehemently about "lazy values" but go "meh" about lack-of-side-effects, or vice versa. Moreover, it seems that developers are still taking an "object-first, functional-when-I-need-it" kind of approach, which seems a little object-heavy, if you ask me. So, since the concepts seem to be taking some sort of shallow root, I don't know that I get the point for this one, but at the same time, it's not like I was wildly off. So, let's say "0" again.

THEN: F#'s type providers will show up in C# v.Next.

This one is actually a "gimme", if you look across the history of F# and C#: for almost every version of F# v."N", features from that version show up in C# v."N+1". More importantly, F# 3.0's type provider feature is an amazing idea, and one that I think will open up language research in some very interesting ways. (Not sure what F#'s type providers are or what they'll do for you? Check out Don Syme's talk on it at BUILD last year.)

NOW: C# v.Next hasn't been announced yet, so I can't say that this one has come true. We should start hearing some vague rumors out of Redmond soon, though, so maybe 2013 will be the year that C# gets type providers (or some scaled-back version thereof). Again, a "0".

THEN: Windows8 will generate a lot of chatter.

As 2012 progresses, Microsoft will try to force a lot of buzz around it by keeping things under wraps until various points in the year that feel strategic (TechEd, BUILD, etc). In doing so, though, they will annoy a number of people by not talking about them more openly or transparently.

NOW: Oh, my, did they. Windows8 was announced with a bang, but Microsoft (and Sinofsky, who ran the OS division up until recently) decided that they could go it alone and leave critical partners (like Dropbox!) out of the loop entirely. As a result, the Windows8 Store didn't have a lot of apps in it that people (including myself) really expected would be there. And THEN, there was Surface... which took everybody by surprise, as near as I can tell. Totally under wraps. I'm scoring myself "+2" for that one.

THEN: Windows8 ("Metro")-style apps won't impress at first.

The more I think about it, the more I'm becoming convinced that Metro-style apps on a desktop machine are going to collectively underwhelm. The UI simply isn't designed for keyboard-and-mouse kinds of interaction, and that's going to be the hardware setup that most people first experience Windows8 on--contrary to what (I think) Microsoft thinks, people do not just have tablets laying around waiting for Windows 8 to be installed on it, nor are they going to buy a Windows8 tablet just to try it out, at least not until it's gathered some mojo behind it. Microsoft is going to have to finesse the messaging here very, very finely, and that's not something they've shown themselves to be particularly good at over the last half-decade.

NOW: I find myself somewhat at a loss how to score this one--on the one hand, the "used-to-be-called-Metro"-style applications aren't terrible, and I haven't really heard anyone complain about them tremendously, but at the same time, I haven't heard anyone really go wild and ga-ga over them, either. Part of that, I think, is because there just aren't a lot of apps out there for it yet, aside from a rather skimpy selection of games (compared to the iOS App Store and Android Play Store). Again, I think Microsoft really screwed themselves with this one--keeping it all under wraps helped them make a big "Oh, WOW" kind of event buzz within the conference hall when they announced Surface, for example, but that buzz sort of left the room (figuratively) when people started looking for their favorite apps so they could start using that device. (Which, by the way, isn't a bad piece of hardware, I'm finding.) I'll give myself a "+1" for this.

THEN: Scala will get bigger, thanks to Heroku.

With the adoption of Scala and Play for their Java apps, Heroku is going to make Scala look attractive as a development platform, and the adoption of Play by Typesafe (the same people who brought you Akka) means that these four--Heroku, Scala, Play and Akka--will combine into a very compelling and interesting platform. I'm looking forward to seeing what comes of that.

NOW: We're going to get to cloud in a second, but on the whole, Heroku is now starting to make Scala/Play attractive, arguably as attractive as Ruby/Rails is. Play 2.0 unfortunately is not backwards-compatible with Play 1.x modules, which hurts it, but hopefully the Play community brings that back up to speed fairly quickly. "+1"

THEN: Cloud will continue to whip up a lot of air.

For all the hype and money spent on it, it doesn't really seem like cloud is gathering commensurate amounts of traction, across all the various cloud providers with the possible exception of Amazon's cloud system. But, as the different cloud platforms start to diversify their platform technology (Microsoft seems to be leading the way here, ironically, with the introduction of Java, Hadoop and some limited NoSQL bits into their Azure offerings), and as we start to get more experience with the pricing and costs of cloud, 2012 might be the year that we start to see mainstream cloud adoption, beyond "just" the usage patterns we've seen so far (as a backing server for mobile apps and as an easy way to spin up startups).

NOW: It's been whipping up air, all right, but it's starting to look like tornadoes and hurricanes--the talk of 2012 seems to have been more around notable cloud outages instead of notable cloud successes, capped off by a nationwide Netflix outage on Christmas Eve that seemed to dominate my Facebook feed that night. Later analysis suggested that the outage was with Amazon's AWS cloud, on which Netflix resides, and boy, did that make a few heads spin. I suspect we haven't yet (as of this writing) seen the last of that discussion. Overall, it seems like lots of startups and other greenfield apps are being deployed to the cloud, but it seems like corporations are hesitating to pull the trigger on an "all-in" kind of cloud adoption, because of some of the fears surrounding cloud security and now (of all things) robustness. "+1"

THEN: Android tablets will start to gain momentum.

Amazon's Kindle Fire has hit the market strong, definitely better than any other Android-based tablet before it. The Nooq (the Kindle's principal competitor, at least in the e-reader world) is also an Android tablet, which means that right now, consumers can get into the Android tablet world for far, far less than what an iPad costs. Apple rumors suggest that they may have a 7" form factor tablet that will price competitively (in the $200/$300 range), but that's just rumor right now, and Apple has never shown an interest in that form factor, which means the 7" world will remain exclusively Android's (at least for now), and that's a nice form factor for a lot of things. This translates well into more sales of Android tablets in general, I think.

NOW: Google's Nexus 7 came to dominate the discussion of the 7" tablet, until...

THEN: Apple will release an iPad 3, and it will be "more of the same".

Trying to predict Apple is generally a lost cause, particularly when it comes to their vaunted iOS lines, but somewhere around the middle of the year would be ripe for a new iPad, at the very least. (With the iPhone 4S out a few months ago, it's hard to imagine they'd cannibalize those sales by releasing a new iPhone, until the end of the year at the earliest.) Frankly, though, I don't expect the iPad 3 to be all that big of a boost, just a faster processor, more storage, and probably about the same size. Probably the only thing I'd want added to the iPad would be a USB port, but that conflicts with the Apple desire to present the iPad as a "device", rather than as a "computer". (USB ports smack of "computers", not self-contained "devices".)

NOW: ... the iPad Mini. Which, I'd like to point out, is just an iPad in a 7" form factor. (Actually, I think it's a little bit bigger than most 7" tablets--it looks to be a smidge wider than the other 7" tablets I have.) And the "new iPad" (not the iPad 3, which I call a massive FAIL on the part of Apple marketing) is exactly that: same iPad, just faster. And still no USB port on either the iPad or iPad Mini. So between this one and the previous one, I score myself at "+3" across both.

THEN: Apple will get hauled in front of the US government for... something.

Apple's recent foray in the legal world, effectively informing Samsung that they can't make square phones and offering advice as to what will avoid future litigation, smacks of such hubris and arrogance, it makes Microsoft look like a Pollyanna Pushover by comparison. It is pretty much a given, it seems to me, that a confrontation in the legal halls is not far removed, either with the US or with the EU, over anti-cometitive behavior. (And if this kind of behavior continues, and there is no legal action, it'll be pretty apparent that Apple has a pretty good set of US Congressmen and Senators in their pocket, something they probably learned from watching Microsoft and IBM slug it out rather than just buy them off.)

NOW: Congress has started to take a serious look at the patent system and how it's being used by patent trolls (of which, folks, I include Apple these days) to stifle innovation and create this Byzantine system of cross-patent licensing that only benefits the big players, which was exactly what the patent system was designed to avoid. (Patents were supposed to be a way to allow inventors, who are often independents, to avoid getting crushed by bigger, established, well-monetized firms.) Apple hasn't been put squarely in the crosshairs, but the Economist's article on Apple, Google, Microsoft and Amazon in the Dec 11th issue definitely points out that all four are squarely in the sights of governments on both sides of the Atlantic. Still, no points for me.

THEN: IBM will be entirely irrelevant again.

Look, IBM's main contribution to the Java world is/was Eclipse, and to a much lesser degree, Harmony. With Eclipse more or less "done" (aside from all the work on plugins being done by third parties), and with IBM abandoning Harmony in favor of OpenJDK, IBM more or less removes themselves from the game, as far as developers are concerned. Which shouldn't really be surprising--they've been more or less irrelevant pretty much ever since the mid-2000s or so.

NOW: IBM who? Wait, didn't they used to make a really kick-ass laptop, back when we liked using laptops? "+1"

THEN: Oracle will "screw it up" at least once.

Right now, the Java community is poised, like a starving vulture, waiting for Oracle to do something else that demonstrates and befits their Evil Emperor status. The community has already been quick (far too quick, if you ask me) to highlight Oracle's supposed missteps, such as the JVM-crashing bug (which has already been fixed in the _u1 release of Java7, which garnered no attention from the various Java news sites) and the debacle around Hudson/Jenkins/whatever-the-heck-we-need-to-call-it-this-week. I'll grant you, the Hudson/Jenkins debacle was deserving of ire, but Oracle is hardly the Evil Emperor the community makes them out to be--at least, so far. (I'll admit it, though, I'm a touch biased, both because Brian Goetz is a friend of mine and because Oracle TechNet has asked me to write a column for them next year. Still, in the spirit of "innocent until proven guilty"....)

NOW: It is with great pleasure that I score myself a "0" here. Oracle's been pretty good about things, sticking with the OpenJDK approach to developing software and talking very openly about what they're trying to do with Java8. They're not entirely innocent, mind you--the fact that a Java install tries to monkey with my browser bar by installing some plugin or other and so on is not something I really appreciate--but they're not acting like Ming the Merciless, either. Matter of fact, they even seem to be going out of their way to be community-inclusive, in some circles. I give myself a "-1" here, and I'm happy to claim it. Good job, guys.

THEN: VMWare/SpringSource will start pushing their cloud solution in a major way.

Companies like Microsoft and Google are pushing cloud solutions because Software-as-a-Service is a reoccurring revenue model, generating revenue even in years when the product hasn't incremented. VMWare, being a product company, is in the same boat--the only time they make money is when they sell a new copy of their product, unless they can start pushing their virtualization story onto hardware on behalf of clients--a.k.a. "the cloud". With SpringSource as the software stack, VMWare has a more-or-less complete cloud play, so it's surprising that they didn't push it harder in 2011; I suspect they'll start cramming it down everybody's throats in 2012. Expect to see Rod Johnson talking a lot about the cloud as a result.

NOW: Again, I give myself a "-1" here, and frankly, I'm shocked to be doing it. I really thought this one was a no-brainer. CloudFoundry seemed like a pretty straightforward play, and VMWare already owned a significant share of the virtualization story, so.... And yet, I really haven't seen much by way of significant marketing, advertising, or developer outreach around their cloud story. It's much the same as what it was in 2011; it almost feels like the parent corporation (EMC) either doesn't "get" why they should push a cloud play, doesn't see it as worth the cost, or else doesn't care. Count me confused. "0"

THEN: JavaScript hype will continue to grow, and by years' end will be at near-backlash levels.

JavaScript (more properly known as ECMAScript, not that anyone seems to care but me) is gaining all kinds of steam as a mainstream development language (as opposed to just-a-browser language), particularly with the release of NodeJS. That hype will continue to escalate, and by the end of the year we may start to see a backlash against it. (Speaking personally, NodeJS is an interesting solution, but suggesting that it will replace your Tomcat or IIS server is a bit far-fetched; event-driven I/O is something both of those servers have been doing for years, and the rest of it is "just" a language discussion. We could pretty easily use JavaScript as the development language inside both servers, as Sun demonstrated years ago with their "Phobos" project--not that anybody really cared back then.)

NOW: JavaScript frameworks are exploding everywhere like fireworks at a Disney theme park. Douglas Crockford is getting more invites to conference keynote opportunities than James Gosling ever did. You can get a job if you know how to spell "NodeJS". And yet, I'm starting to hear the same kinds of rumblings about "how in the hell do we manage a 200K LOC codebase written in JavaScript" that I heard people gripe about Ruby/Rails a few years ago. If the backlash hasn't started, then it's right on the cusp. "+1"

THEN: NoSQL buzz will continue to grow, and by years' end will start to generate a backlash.

More and more companies are jumping into NoSQL-based solutions, and this trend will continue to accelerate, until some extremely public failure will start to generate a backlash against it. (This seems to be a pattern that shows up with a lot of technologies, so it seems entirely realistic that it'll happen here, too.) Mind you, I don't mean to suggest that the backlash will be factual or correct--usually these sorts of things come from misuing the tool, not from any intrinsic failure in it--but it'll generate some bad press.

NOW: Recently, I heard that NBC was thinking about starting up a new comedy series called "Everybody Hates Mongo", with Chris Rock narrating. And I think that's just the beginning--lots of companies, particularly startups, decided to run with a NoSQL solution before seriously contemplating how they were going to make up for the things that a NoSQL doesn't provide (like a schema, for a lot of these), and suddenly find themselves wishing they had spent a little more time thinking about that back in the early days. Again, if the backlash isn't already started, it's about to. "+1"

THEN: Ted will thoroughly rock the house during his CodeMash keynote.

Yeah, OK, that's more of a fervent wish than a prediction, but hey, keep a positive attitude and all that, right?

NOW: Welllll..... Looking back at it with almost a years' worth of distance, I can freely admit I dropped a few too many "F"-bombs (a buddy of mine counted 18), but aside from a (very) vocal minority, my takeaway is that a lot of people enjoyed it. Still, I do wish I'd throttled it back some--InfoQ recorded it, and the fact that it hasn't yet seen public posting on the website implies (to me) that they found it too much work to "bleep" out all the naughty words. Which I call "my bad" on, because I think they were really hoping to use that as part of their promotional activities (not that they needed it, selling out again in minutes). To all those who found it distasteful, I apologize, and to those who chafe at the fact that I'm apologizing, I apologize. I take a "-1" here.

2013 Predictions:

Having thus scored myself at a "9" (out of 17) for last year, let's take a stab at a few for next year:

  • "Big data" and "data analytics" will dominate the enterprise landscape. I'm actually pretty late to the ballgame to talk about this one, in fact--it was starting its rapid climb up the hype wave already this year. And, part and parcel with going up this end of the hype wave this quickly, it also stands to reason that companies will start marketing the hell out of the term "big data" without being entirely too precise about what they mean when they say "big data".... By the end of the year, people will start building services and/or products on top of Hadoop, which appears primed to be the "Big Data" platform of choice, thus far.
  • NoSQL buzz will start to diversify. The various "NoSQL" vendors are going to start wanting to differentiate themselves from each other, and will start using "NoSQL" in their marketing and advertising talking points less and less. Some of this will be because Pandora's Box on data storage has already been opened--nobody's just assuming a relational database all the time, every time, anymore--but some of this will be because the different NoSQL vendors, who are at different stages in the adoption curve, will want to differentiate themselves from the vendors that are taking on the backlash. I predict Mongo, who seems to be leading the way of the NoSQL vendors, will be the sacrificial scapegoat for a lot of the NoSQL backlash that's coming down the pike.
  • Desktops increasingly become niche products. Look, does anyone buy a desktop machine anymore? I have three sitting next to me in my office, and none of the three has been turned on in probably two years--I'm exclusively laptop-bound these days. Between tablets as consumption devices (slowly obsoleting the laptop), and cloud offerings becoming more and more varied (slowly obsoleting the server), there's just no room for companies that sell desktops--or the various Mom-and-Pop shops that put them together for you. In fact, I'm starting to wonder if all those parts I used to buy at Fry's Electronics and swap meets will start to disappear, too. Gamers keep desktops alive, and I don't know if there's enough money in that world to keep lots of those vendors alive. (I hope so, but I don't know for sure.)
  • Home servers will start to grow in interest. This may seem paradoxical to the previous point, but I think techno-geek leader-types are going to start looking into "servers-in-a-box" that they can set up at home and have all their devices sync to and store to. Sure, all the media will come through there, and the key here will be "turnkey", since most folks are getting used to machines that "just work". Lots of friends, for example, seem to be using Mac Minis for exactly this purpose, and there's a vendor here in Redmond that sells a ridiculously-powered server in a box for a couple thousand. (This is on my birthday list, right after I get my maxed-out 13" MacBook Air and iPad 3.) This is also going to be fueled by...
  • Private cloud is going to start getting hot. The great advantage of cloud is that you don't have to have an IT department; the great disadvantage of cloud is that when things go bad, you don't have an IT department. Too many well-publicized cloud failures are going to drive corporations to try and find a solution that is the best-of-both-worlds: the flexibility and resiliency of cloud provisioning, but staffed by IT resources they can whip and threaten and cajole when things fail. (And, by the way, I fully understand that most cloud providers have better uptimes than most private IT organizations--this is about perception and control and the feelings of powerlessness and helplessness when things go south, not reality.)
  • Oracle will release Java8, and while several Java pundits will decry "it's not the Java I love!", most will actually come to like it. Let's be blunt, Java has long since moved past being the flower of fancy and a critic's darling, and it's moved squarely into the battleship-gray of slogging out code and getting line-of-business apps done. Java8 adopting function literals (aka "closures") and retrofitting the Collection library to use them will be a subtle, but powerful, extension to the lifetime of the Java language, but it's never going to be sexy again. Fortunately, it doesn't need to be.
  • Microsoft will start courting the .NET developers again. Windows8 left a bad impression in the minds of many .NET developers, with the emphasis on HTML/JavaScript apps and C++ apps, leaving many .NET developers to wonder if they were somehow rendered obsolete by the new platform. Despite numerous attempts in numerous ways to tell them no, developers still seem to have that opinion--and Microsoft needs to go on the offensive to show them that .NET and Windows8 (and WinRT) do, in fact, go very well together. Microsoft can't afford for their loyal developer community to feel left out or abandoned. They know that, and they'll start working on it.
  • Samsung will start pushing themselves further and further into the consumer market. They already have started gathering more and more of a consumer name for themselves, they just need to solidify their tablet offerings and get closer in line with either Google (for Android tablets) or even Microsoft (for Windows8 tablets and/or Surface competitors) to compete with Apple. They may even start looking into writing their own tablet OS, which would be something of a mistake, but an understandable one.
  • Apple's next release cycle will, again, be "more of the same". iPhone 6, iPad 4, iPad Mini 2, MacBooks, MacBook Airs, none of them are going to get much in the way of innovation or new features. Apple is going to run squarely into the Innovator's Dilemma soon, and their products are going to be "more of the same" for a while. Incremental improvements along a couple of lines, perhaps, but nothing Earth-shattering. (Hey, Apple, how about opening up Siri to us to program against, for example, so we can hook into her command structure and hook our own apps up? I can do that with Android today, why not her?)
  • Visual Studio 2014 features will start being discussed at the end of the year. If Microsoft is going to hit their every-two-year-cycle with Visual Studio, then they'll start talking/whispering/rumoring some of the v.Next features towards the middle to end of 2013. I fully expect C# 6 will get some form of type providers, Visual Basic will be a close carbon copy of C# again, and F# 4 will have something completely revolutionary that anyone who sees it will be like, "Oh, cool! Now, when can I get that in C#?"
  • Scala interest wanes. As much as I don't want it to happen, I think interest in Scala is going to slow down, and possibly regress. This will be the year that Typesafe needs to make a major splash if they want to show the world that they're serious, and I don't know that the JVM world is really all that interested in seeing a new player. Instead, I think Scala will be seen as what "the 1%" of the Java community uses, and the rest will take some ideas from there and apply them (poorly, perhaps) to Java.
  • Interest in native languages will rise. Just for kicks, developers will start experimenting with some of the new compile-to-native-code languages (Go, Rust, Slate, Haskell, whatever) and start finding some of the joys (and heartaches) that come with running "on the metal". More importantly, they'll start looking at ways to use these languages with platforms where running "on the metal" is more important, like mobile devices and tablets.

As always, folks, thanks for reading. See you next year.

UPDATE: Two things happened this week (7 Jan 2013) that made me want to add to this list:
  • Hardware is the new platform. A buddy of mine (Scott Davis) pointed out on a mailing list we share that "hardware is the new platform", and with Microsoft's Surface out now, there's three major players (Apple, Google, Microsoft) in this game. It's becoming apparent that more and more companies are starting to see opportunities in going the Apple route of owning not just the OS and the store, but the hardware underneath it. More and more companies are going to start playing this game, too, I think, and we're going to see Amazon take some shots here, and probably a few others. Of course, already announced is the Ubuntu Phone, and a new Android-like player, Tizen, but I'm not thinking about new players--there's always new players--but about some of the big standouts. And look for companies like Dell and HP to start looking for ways to play in this game, too, either through partnerships or acquisitions. (Hello, Oracle, I'm looking at you.... And Adobe, too.)
  • APIs for lots of things are going to come out. Ford just did this. This is not going away--this is going to proliferate. And the startup community is going to lap it up like kittens attacking a bowl of cream. If you're looking for a play in the startup world, pursue this.

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Tuesday, January 01, 2013 1:22:30 AM (Pacific Standard Time, UTC-08:00)
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 Saturday, November 03, 2012
Cloud legal

There's an interesting legal interpretation coming out of the Electronic Freedom Foundation (EFF) around the Megaupload case, and the EFF has said this:

"The government maintains that Mr. Goodwin lost his property rights in his data by storing it on a cloud computing service. Specifically, the government argues that both the contract between Megaupload and Mr. Goodwin (a standard cloud computing contract) and the contract between Megaupload and the server host, Carpathia (also a standard agreement), "likely limit any property interest he may have" in his data. (Page 4). If the government is right, no provider can both protect itself against sudden losses (like those due to a hurricane) and also promise its customers that their property rights will be maintained when they use the service. Nor can they promise that their property might not suddenly disappear, with no reasonable way to get it back if the government comes in with a warrant. Apparently your property rights "become severely limited" if you allow someone else to host your data under standard cloud computing arrangements. This argument isn't limited in any way to Megaupload -- it would apply if the third party host was Amazon's S3 or Google Apps or or Apple iCloud."
Now, one of the participants on the Seattle Tech Startup list, Jonathan Shapiro, wrote this as an interpretation of the government's brief and the EFF filing:

What the government actually says is that the state of Mr. Goodwin's property rights depends on his agreement with the cloud provider and their agreement with the infrastructure provider. The question ultimately comes down to: if I upload data onto a machine that you own, who owns the copy of the data that ends up on your machine? The answer to that question depends on the agreements involved, which is what the government is saying. Without reviewing the agreements, it isn't clear if the upload should be thought of as a loan, a gift, a transfer, or something else.

Lacking any physical embodiment, it is not clear whether the bits comprising these uploaded digital artifacts constitute property in the traditional sense at all. Even if they do, the government is arguing that who owns the bits may have nothing to do with who controls the use of the bits; that the two are separate matters. That's quite standard: your decision to buy a book from the bookstore conveys ownership to you, but does not give you the right to make further copies of the book. Once a copy of the data leaves the possession of Mr. Goodwin, the constraints on its use are determined by copyright law and license terms. The agreement between Goodwin and the cloud provider clearly narrows the copyright-driven constraints, because the cloud provider has to be able to make copies to provide their services, and has surely placed terms that permit this in their user agreement. The consequences for ownership are unclear. In particular: if the cloud provider (as opposed to Mr. Goodwin) makes an authorized copy of Goodwin's data in the course of their operations, using only the resources of the cloud provider, the ownership of that copy doesn't seem obvious at all. A license may exist requiring that copy to be destroyed under certain circumstances (e.g. if Mr. Goodwin terminates his contract), but that doesn't speak to ownership of the copy.

Because no sale has occurred, and there was clearly no intent to cede ownership, the Government's challenge concerning ownership has the feel of violating common sense. If you share that feeling, welcome to the world of intellectual property law. But while everyone is looking at the negative side of this argument, it's worth considering that there may be positive consequences of the Government's argument. In Germany, for example, software is property. It is illegal (or at least unenforceable) to write a software license in Germany that stops me from selling my copy of a piece of software to my friend, so long as I remove it from my machine. A copy of a work of software can be resold in the same way that a book can be resold because it is property. At present, the provisions of UCITA in the U.S. have the effect that you do not own a work of software that you buy. If the district court in Virginia determines that a recipient has property rights in a copy of software that they receive, that could have far-reaching consequences, possibly including a consequent right of resale in the United States.

Now, whether or not Jon's interpretation is correct, there are some huge legal implications of this interpretation of the cloud, because data "ownership" is going to be the defining legal issue of the next century.


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Saturday, November 03, 2012 12:14:40 AM (Pacific Daylight Time, UTC-07:00)
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 Tuesday, October 16, 2012
On NFJS

As the calendar year comes to a close, it's time (it's well past time, in fact) that I comment publicly on my obvious absence from the No Fluff, Just Stuff tour.

In January, when I emailed Jay Zimmerman, the organizer of the conference, to talk about topics for the coming year, I got no response. This is pretty typical Jay--he is notoriously difficult to reach over email, unless he has something he wants from you. In his defense, that's not an uncommon modus operandi for a lot of people, and it's pretty common to have to email him several times to get his attention. It's something I wish he were a little more professional about, but... *shrug* The point is, when I emailed him and got no response, I didn't think much of it.

However, as soon as the early years' schedule came out, a friend of mine on the tour emailed me to ask why I wasn't scheduled for any of the shows--I responded with a rather shocked "Wat?" and checked for myself--sure enough, nowhere on the tour. I emailed Jay, and... cue the "Sounds of Silence" melody.

Apparently, my participation was no longer desired.

Now, in all fairness, last year I joined Neudesic, LLC as a full-time employee, working as an Architectural Consultant and I mentioned to Jay that I was interested in scaling back my participation from all the shows (25 or so across the year) to maybe 15 or so, but at no point did I ever intend to give him the impression that I wanted to pull off the tour entirely. Granted, the travel schedule is brutal--last year (calendar year 2011) it wasn't uncommon for me to be doing three talks each day (Friday, Saturday and Sunday), and living in Seattle usually meant that I had to use all day Thursday to fly out to wherever the show was being held, and could sometimes return on Sunday night but more often had to fly back on Monday, making for a pretty long weekend. But I enjoyed hanging with my speaker buddies, I enjoyed engaging with the crowds, and I definitely enjoyed the "aha" moments that would fire off inside my head while speaking. (I'm an "external processor", so talking out loud is actually a very effective way for me to think about things.)

Across the year, I got a few emails and Tweets from people asking about my absence, and I always tried to respond to those as fairly and politely as I could without hiding the fact that I wished I was still there. In truth, folks, I have to admit, I enjoy having my weekends back. I miss the tour, but being off of it has made me realize just how much family time I was missing when I was off gallavanting across the country to various hotel conference rooms to talk about JVMs or languages or APIs. I miss hanging with my speaker friends, but friends remain friends regardless of circumstance, and I'm happy to say that holds true here as well. I miss the chance to hone my ideas and talks, but that in of itself isn't enough to justify missing out on my 13-year-old's football games or just enjoying a quiet Saturday with my wife on the back porch.

All in all, though I didn't ask for it, my rather unceremonious "boot" to the backside off the tour has worked out quite well. Yes, I'd love to come back to the tour and talk again, but that's up to Jay, not me. I wouldn't mind coming back, but I don't mind not being there, either. And, quite honestly, I think there's probably more than a few attendees who are a bit relieved that I'm not there, since sitting in on my sessions was always running the risk that they'd be singled out publicly, which I've been told is something of a "character-building experience". *grin*

Long story short, if enough NFJS attendee alumni make the noise to Jay to bring me back, and he offers it, I'd take it. But it's not something I need to do, so if the crowds at NFJS are happy without me, then I'm happy to stay home, sip my Diet Coke, blog a little more, and just bask in the memories of almost a full decade of the NFJS experience. It was a hell of a run, and I'm very content with having been there from almost the very beginning and helping to make that into one of the best conference experiences anyone's ever had.


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Tuesday, October 16, 2012 3:11:31 AM (Pacific Daylight Time, UTC-07:00)
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 Friday, March 16, 2012
Just Say No to SSNs

Two things conspire to bring you this blog post.

Of Contracts and Contracts

First, a few months ago, I was asked to participate in an architectural review for a project being done for one of the states here in the US. It was a project dealing with some sensitive information (Child Welfare Services), and I was required to sign a document basically promising not to do anything bad with the data. Not a problem to sign, since I was going to be more focused on the architecture and code anyway, and would stay away from the production servers and data as much as I possibly could. But then the state agency asked for my social security number, and when I pushed back asking why, they told me it was “mandatory” in order to work on the project. I suspect it was for a background check—but when I asked how long they were going to hold on to the number and what their privacy policy was regarding my data, they refused to answer, and I never heard from them again. Which, quite frankly, was something of a relief.

Second, just tonight there was a thread on the Seattle Tech Startup mailing list about SSNs again. This time, a contractor who participates on the list was being asked by the contracting agency for his SSN, not for any tax document form, but… just because. This sounded fishy. It turned out that the contract was going to be with AT&T, and that they commonly use a contractor’s SSN as a way of identifying the contractor in their vendor database. It was also noted that many companies do this, and that it was likely that many more would do so in the future. One poster pointed out that when the state’s attorney general’s office was contacted about this practice, it isn’t illegal.

Folks, this practice has to stop. For both your sake, and the company’s.

Of Data and Integrity

Using SSNs in your database is just a bad idea from top to bottom. For starters, it makes your otherwise-unassuming enterprise application a ripe target for hackers, who seek to gather legitimate SSNs as part of the digital fingerprinting of potential victims for identity theft. What’s worse, any time I’ve ever seen any company store the SSNs, they’re almost always stored in plaintext form (“These aren’t credit cards!”), and they’re often used as a primary key to uniquely identify individuals.

There’s so many things wrong with this idea from a data management perspective, it’s shameful.

  • SSNs were never intended for identification purposes. Yeah, this is a weak argument now, given all the de facto uses to which they are put already, but when FDR passed the Social Security program back in the 30s, he promised the country that they would never be used for identification purposes. This is, in fact, why the card reads “This number not to be used for identification purposes” across the bottom. Granted, every financial institution with whom I’ve ever done business has ignored that promise for as long as I’ve been alive, but that doesn’t strike me as a reason to continue doing so.
  • SSNs are not unique. There’s rumors of two different people being issued the same SSN, and while I can’t confirm or deny this based on personal experience, it doesn’t take a rocket scientist to figure out that if there are 300 million people living in the US, and the SSN is a nine-digit number, that means that there are 999,999,999 potential numbers in the best case (which isn’t possible, because the first three digits are a stratification mechanism—for example, California-issued numbers are generally in the 5xx range, while East Coast-issued numbers are in the 0xx range). What I can say for certain is that SSNs are, in fact, recycled—so your new baby may (and very likely will) end up with some recently-deceased individual’s SSN. As we start to see databases extending to a second and possibly even third generation of individuals, these kinds of conflicts are going to become even more common. As US population continues to rise, and immigration brings even more people into the country to work, how soon before we start seeing the US government sweat the problems associated with trying to go to a 10- or 11-digit SSN? It’s going to make the IPv4 and IPv6 problems look trivial by comparison. (Look for that to be the moment when the US government formally adopts a hexadecimal system for SSNs.)
  • SSNs are sensitive data. You knew this already. But what you may not realize is that data not only has a tendency to escape the organization that gathered it (databases are often sold, acquired, or stolen), but that said data frequently lives far, far longer than it needs to. Look around in your own company—how many databases are still online, in use, even though the data isn’t really relevant anymore, just because “there’s no cost to keeping it”? More importantly, companies are increasingly being held accountable for sensitive information breaches, and it’s just a matter of time before a creative lawyer seeking to tap into the public’s sensitivities to things they don’t understand leads him/her takes a company to court, suing them for damages for such a breach. And there’s very likely more than a few sympathetic judges in the country to the idea. Do you really want to be hauled up on the witness stand to defend your use of the SSN in your database?

Given that SSNs aren’t unique, and therefore fail as their primary purpose in a data management scheme, and that they represent a huge liability because of their sensitive nature, why on earth would you want them in your database?

A Call

But more importantly, companies aren’t going to stop using them for these kinds of purposes until we make them stop. Any time a company asks you for your SSN, challenge them. Ask them why they need it, if the transaction can be completed without it, and if they insist on having it, a formal declaration of their sensitive information policy and what kind of notification and compensation you can expect when they suffer a sensitive data breach. It may take a while to find somebody within the company who can answer your questions at the places that legitimately need the information, but you’ll get there eventually. And for the rest of the companies that gather it “just in case”, well, if it starts turning into a huge PITA to get them, they’ll find other ways to figure out who you are.

This is a call to arms, folks: Just say NO to handing over your SSN.


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Friday, March 16, 2012 11:10:49 PM (Pacific Daylight Time, UTC-07:00)
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 Saturday, March 03, 2012
Want Security? Get Quality

This CNET report tells us what we’ve probably known for a few years now: in the hacker/securist cyberwar, the hackers are winning. Or at the very least, making it pretty apparent that the cybersecurity companies aren’t making much headway.

Notable quotes from the article:

Art Coviello, executive chairman of RSA, at least had the presence of mind to be humble, acknowledging in his keynote that current "security models" are inadequate. Yet he couldn't help but lapse into rah-rah boosterism by the end of his speech. "Never have so many companies been under attack, including RSA," he said. "Together we can learn from these experiences and emerge from this hell, smarter and stronger than we were before."
Really? History would suggest otherwise. Instead of finally locking down our data and fencing out the shadowy forces who want to steal our identities, the security industry is almost certain to present us with more warnings of newer and scarier threats and bigger, more dangerous break-ins and data compromises and new products that are quickly outdated. Lather, rinse, repeat.

The industry's sluggishness is enough to breed pervasive cynicism in some quarters. Critics like [Josh Corman, director of security intelligence at Akamai] are quick to note that if security vendors really could do what they promise, they'd simply put themselves out of business. "The security industry is not about securing you; it's about making money," Corman says. "Minimum investment to get maximum revenue."

Getting companies to devote time and money to adequately address their security issues is particularly difficult because they often don't think there's a problem until they've been compromised. And for some, too much knowledge can be a bad thing. "Part of the problem might be plausible deniability, that if the company finds something, there will be an SEC filing requirement," Landesman said.

The most important quote in the whole piece?

Of course, it would help if software in general was less buggy. Some security experts are pushing for a more proactive approach to security much like preventative medicine can help keep you healthy. The more secure the software code, the fewer bugs and the less chance of attackers getting in.

"Most of RSA, especially on the trade show floor, is reactive security and the idea behind that is protect broken stuff from the bad people," said Gary McGraw, chief technology officer at Cigital. "But that hasn't been working very well. It's like a hamster wheel."

(Fair disclosure in the interests of journalistic integrity: Gary is something of a friend; we’ve exchanged emails, met at SDWest many years ago, and Gary tried to recruit me to write a book in his Software Security book series with Addison-Wesley. His voice is one of the few that I trust implicitly when it comes to software security.)

Next time the company director, CEO/CTO or VP wants you to choose “faster” and “cheaper” and leave out “better” in the “better, faster, cheaper” triad, point out to them that “worse” (the opposite of “better”) often translates into “insecure”, and that in turn puts the company in a hugely vulnerable spot. Remember, even if the application under question, or its data, aren’t obvious targets for hackers, you’re still a target—getting access to the server can act as a springboard to attack other servers, and/or use the data stored in your database as a springboard to attack other servers. Remember, it’s very common for users to reuse passwords across systems—obtaining the passwords to your app can in turn lead to easy access to the more sensitive data.

And folks, let’s not kid ourselves. That quote back there about “SEC filing requirement”s? If CEOs and CTOs are required to file with the SEC, it’s only a matter of time before one of them gets the bright idea to point the finger at the people who built the system as the culprits. (Don’t think it’s possible? All it takes is one case, one jury, in one highly business-friendly judicial arena, and suddenly precedent is set and it becomes vastly easier to pursue all over the country.)

Anybody interested in creating an anonymous cybersecurity whisteblowing service?


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Saturday, March 03, 2012 10:53:08 PM (Pacific Standard Time, UTC-08:00)
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 Wednesday, January 25, 2012
Is Programming Less Exciting Today?

As discriminatory as this is going to sound, this one is for the old-timers. If you started programming after the turn of the milennium, I don’t know if you’re going to be able to follow the trend of this post—not out of any serious deficiency on your part, hardly that. But I think this is something only the old-timers are going to identify with. (And thus, do I alienate probably 80% of my readership, but so be it.)

Is it me, or is programming just less interesting today than it was two decades ago?

By all means, shake your smartphones and other mobile devices at me and say, “Dude, how can you say that?”, but in many ways programming for Android and iOS reminds me of programming for Windows and Mac OS two decades ago. HTML 5 and JavaScript remind me of ten years ago, the first time HTML and JavaScript came around. The discussions around programming languages remind me of the discussions around C++. The discussions around NoSQL remind me of the arguments both for and against relational databases. It all feels like we’ve been here before, with only the names having changed.

Don’t get me wrong—if any of you comment on the differences between HTML 5 now and HTML 3.2 then, or the degree of the various browser companies agreeing to the standard today against the “browser wars” of a decade ago, I’ll agree with you. This isn’t so much of a rational and logical discussion as it is an emotive and intuitive one. It just feels similar.

To be honest, I get this sense that across the entire industry right now, there’s a sort of malaise, a general sort of “Bah, nothing really all that new is going on anymore”. NoSQL is re-introducing storage ideas that had been around before but were discarded (perhaps injudiciously and too quickly) in favor of the relational model. Functional languages have obviously been in place since the 50’s (in Lisp). And so on.

More importantly, look at the Java community: what truly innovative ideas have emerged here in the last five years? Every new open-source project or commercial endeavor either seems to be a refinement of an idea before it (how many different times are we going to create a new Web framework, guys?) or an attempt to leverage an idea coming from somewhere else (be it from .NET or from Ruby or from JavaScript or….). With the upcoming .NET 4.5 release and Windows 8, Microsoft is holding out very little “new and exciting” bits for the community to invest emotionally in: we hear about “async” in C# 5 (something that F# has had already, thank you), and of course there is WinRT (another platform or virtual machine… sort of), and… well, honestly, didn’t we just do this a decade ago? Where is the WCFs, the WPFs, the Silverlights, the things that would get us fired up? Hell, even a new approach to data access might stir some excitement. Node.js feels like an attempt to reinvent the app server, but if you look back far enough you see that the app server itself was reinvented once (in the Java world) in Spring and other lightweight frameworks, and before that by people who actually thought to write their own web servers in straight Java. (And, for the record, the whole event-driven I/O thing is something that’s been done in both Java and .NET a long time before now.)

And as much as this is going to probably just throw fat on the fire, all the excitement around JavaScript as a language reminds me of the excitement about Ruby as a language. Does nobody remember that Sun did this once already, with Phobos? Or that Netscape did this with LiveScript? JavaScript on the server end is not new, folks. It’s just new to the people who’d never seen it before.

In years past, there has always seemed to be something deeper, something more exciting and more innovative that drives the industry in strange ways. Artificial Intelligence was one such thing: the search to try and bring computers to a state of human-like sentience drove a lot of interesting ideas and concepts forward, but over the last decade or two, AI seems to have lost almost all of its luster and momentum. User interfaces—specifically, GUIs—were another force for a while, until GUIs got to the point where they were so common and so deeply rooted in their chosen pasts (the single-button of the Mac, the menubar-per-window of Windows, etc) that they left themselves so little room for maneuver. At least this is one area where Microsoft is (maybe) putting the fatted sacred cow to the butcher’s knife, with their Metro UI moves in Windows 8… but only up to a point.

Maybe I’m just old and tired and should hang up my keyboard and go take up farming, then go retire to my front porch’s rocking chair and practice my Hey you kids! Getoffamylawn! or something. But before you dismiss me entirely, do me a favor and tell me: what gets you excited these days? If you’ve been programming for twenty years, what about the industry today gets your blood moving and your mind sharpened?


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Wednesday, January 25, 2012 3:24:43 PM (Pacific Standard Time, UTC-08:00)
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 Friday, May 27, 2011
“Vietnam” in Belorussian

Recently I got an email from Bohdan Zograf, who offered:

Hi!

I'm willing to translate publication located at http://blogs.tedneward.com/2006/06/26/The+Vietnam+Of+Computer+Science.aspx to the Belorussian language (my mother tongue). What I'm asking for is your written permission, so you don't mind after I'll post the translation to my blog.

I agreed, and next thing I know, I get the next email that it’s done. If your mother tongue is Belorussian, then I invite you to read the article in its translated form at http://www.moneyaisle.com/worldwide/the-vietnam-of-computer-science-be.

Thanks, Bohdan!


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Friday, May 27, 2011 12:01:45 AM (Pacific Daylight Time, UTC-07:00)
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 Saturday, January 01, 2011
Tech Predictions, 2011 Edition

Long-time readers of this blog know what’s coming next: it’s time for Ted to prognosticate on what the coming year of tech will bring us. But I believe strongly in accountability, even in my offered-up-for-free predictions, so one of the traditions of this space is to go back and revisit my predictions from this time last year. So, without further ado, let’s look back at Ted’s 2010 predictions, and see how things played out; 2010 predictions are prefixed with “THEN”, and my thoughts on my predictions are prefixed with “NOW”:

For 2010, I predicted....

  • THEN: ... I will offer 3- and 4-day training classes on F# and Scala, among other things. OK, that's not fair—yes, I have the materials, I just need to work out locations and times. Contact me if you're interested in a private class, by the way.
    • NOW: Well, I offered them… I just didn’t do much to advertise them or sell them. I got plenty busy just with the other things I had going on. Besides, this and the next prediction were pretty much all advertisement anyway, so I don’t know if anybody really counts these two.
  • THEN: ... I will publish two books, one on F# and one on Scala. OK, OK, another plug. Or, rather, more of a resolution. One will be the "Professional F#" I'm doing for Wiley/Wrox, the other isn't yet finalized. But it'll either be published through a publisher, or self-published, by JavaOne 2010.
    • NOW: “Professional F# 2.0” shipped in Q3 of 2010; the other Scala book I decided not to pursue—too much stuff going on to really put the necessary time into it. (Cue sad trombone.)
  • THEN: ... DSLs will either "succeed" this year, or begin the short slide into the dustbin of obscure programming ideas. Domain-specific language advocates have to put up some kind of strawman for developers to learn from and poke at, or the whole concept will just fade away. Martin's book will help, if it ships this year, but even that might not be enough to generate interest if it doesn't have some kind of large-scale applicability in it. Patterns and refactoring and enterprise containers all had a huge advantage in that developers could see pretty easily what the problem was they solved; DSLs haven't made that clear yet.
    • NOW: To be honest, this one is hard to call. Martin Fowler published his DSL book, which many people consider to be a good sign of what’s happening in the world, but really, the DSL buzz seems to have dropped off significantly. The strawman hasn’t appeared in any meaningful public way (I still don’t see an example being offered up from anybody), and that leads me to believe that the fading-away has started.
  • THEN: ... functional languages will start to see a backlash. I hate to say it, but "getting" the functional mindset is hard, and there's precious few resources that are making it easy for mainstream (read: O-O) developers make that adjustment, far fewer than there was during the procedural-to-object shift. If the functional community doesn't want to become mainstream, then mainstream developers will find ways to take functional's most compelling gateway use-case (parallel/concurrent programming) and find a way to "git 'er done" in the traditional O-O approach, probably through software transactional memory, and functional languages like Haskell and Erlang will be relegated to the "What Might Have Been" of computer science history. Not sure what I mean? Try this: walk into a functional language forum, and ask what a monad is. Nobody yet has been able to produce an answer that doesn't involve math theory, or that does involve a practical domain-object-based example. In fact, nobody has really said why (or if) monads are even still useful. Or catamorphisms. Or any of the other dime-store words that the functional community likes to toss around.
    • NOW: I think I have to admit that this hasn’t happened—at least, there’s been no backlash that I’ve seen. In fact, what’s interesting is that there’s been some movement to bring those functional concepts—including monads, which surprised me completely—into other languages like C# or Java for discussion and use. That being said, though, I don’t see Haskell and Erlang taking center stage as application languages—instead, I see them taking supporting-cast kinds of roles building other infrastructure that applications in turn make use of, a la CouchDB (written in Erlang). Monads still remain a mostly-opaque subject for most developers, however, and it’s still unclear if monads are something that people should think about applying in code, or if they are one of those “in theory” kinds of concepts. (You know, one of those ideas that change your brain forever, but you never actually use directly in code.)
  • THEN: ... Visual Studio 2010 will ship on time, and be one of the buggiest and/or slowest releases in its history. I hate to make this prediction, because I really don't want to be right, but there's just so much happening in the Visual Studio refactoring effort that it makes me incredibly nervous. Widespread adoption of VS2010 will wait until SP1 at the earliest. In fact....
    • NOW: Wow, did I get a few people here in Redmond annoyed with me about that one. And, as it turned out, I was pretty off-base about its stability. (It shipped pretty close if not exactly on the ship date Microsoft promised, as I recall, though I admit I wasn’t paying too much attention to it.)  I’ve been using VS 2010 for a lot of .NET work in the last six months, and I’ve yet (knock on wood) to have it crash on me. /bow Visual Studio team.
  • THEN: ... Visual Studio 2010 SP 1 will ship within three months of the final product. Microsoft knows that people wait until SP 1 to think about upgrading, so they'll just plan for an eager SP 1 release, and hope that managers will be too hung over from the New Year (still) to notice that the necessary shakeout time hasn't happened.
    • NOW: Uh…. nope. In fact, SP 1 has just reached a beta/CTP state. As for managers being too hung over, well…
  • THEN: ... Apple will ship a tablet with multi-touch on it, and it will flop horribly. Not sure why I think this, but I just don't think the multi-touch paradigm that Apple has cooked up for the iPhone will carry over to a tablet/laptop device. That won't stop them from shipping it, and it won't stop Apple fan-boiz from buying it, but that's about where the interest will end.
    • NOW: Oh, WOW did I come so close and yet missed the mark by a mile. Of course, the “tablet” that Apple shipped was the iPad, and it did pretty much everything except flop horribly. Apple fan-boys bought it… and then about 24 hours later, so did everybody else. My mom got one, for crying out loud. And folks, the iPad—along with the whole “slate” concept—is pretty clearly here to stay.
  • THEN: ... JDK 7 closures will be debated for a few weeks, then become a fait accompli as the Java community shrugs its collective shoulders. Frankly, I think the Java community has exhausted its interest in debating new language features for Java. Recent college grads and open-source groups with an axe to grind will continue to try and make an issue out of this, but I think the overall Java community just... doesn't... care. They just want to see JDK 7 ship someday.
    • NOW: Pretty close—except that closures won’t ship as part of JDK 7, largely due to the Oracle acquisition in the middle of the year here. And I was spot-on vis-à-vis the “they want to see JDK 7 ship someday”; when given the chance to wait for a year or so for a Java-with-closures to ship, the community overwhelmingly voted to get something sooner rather than later.
  • THEN: ... Scala either "pops" in 2010, or begins to fall apart. By "pops", I mean reaches a critical mass of developers interested in using it, enough to convince somebody to create a company around it, a la G2One.
    • NOW: … and by “somebody”, it turns out I meant Martin Odersky. Scala is pretty clearly a hot topic in the Java space, its buzz being disturbed only by Clojure. Scala and/or Clojure, plus Groovy, makes a really compelling JVM-based stack.
  • THEN: ... Oracle is going to make a serious "cloud" play, probably by offering an Oracle-hosted version of Azure or AppEngine. Oracle loves the enterprise space too much, and derives too much money from it, to not at least appear to have some kind of offering here. Now that they own Java, they'll marry it up against OpenSolaris, the Oracle database, and throw the whole thing into a series of server centers all over the continent, and call it "Oracle 12c" (c for Cloud, of course) or something.
    • NOW: Oracle made a play, but it was to continue to enhance Java, not build a cloud space. It surprises me that they haven’t made a more forceful move in this space, but I suspect that a huge amount of time and energy went into folding Sun into their corporate environment.
  • THEN: ... Spring development will slow to a crawl and start to take a left turn toward cloud ideas. VMWare bought SpringSource for a reason, and I believe it's entirely centered around VMWare's movement into the cloud space—they want to be more than "just" a virtualization tool. Spring + Groovy makes a compelling development stack, particularly if VMWare does some interesting hooks-n-hacks to make Spring a virtualization environment in its own right somehow. But from a practical perspective, any community-driven development against Spring is all but basically dead. The source may be downloadable later, like the VMWare Player code is, but making contributions back? Fuhgeddabowdit.
    • NOW: The Spring One show definitely played up Cloud stuff, and springsource.com seems to be emphasizing cloud more in a couple of subtle ways. Not sure if I call this one a win or not for me, though.
  • THEN: ... the explosion of e-book readers brings the Kindle 2009 edition way down to size. The era of the e-book reader is here, and honestly, while I'm glad I have a Kindle, I'm expecting that I'll be dusting it off a shelf in a few years. Kinda like I do with my iPods from a few years ago.
    • NOW: Honestly, can’t say that I’m using my Kindle a lot, but I am reading using the Kindle app on non-Kindle hardware more than I thought I would be. That said, I am eyeing the new Kindle hardware generation with an acquisitive eye…
  • THEN: ... "social networking" becomes the "Web 2.0" of 2010. In other words, using the term will basically identify you as a tech wannabe and clearly out of touch with the bleeding edge.
    • NOW: Um…. yeah.
  • THEN: ... Facebook becomes a developer platform requirement. I don't pretend to know anything about Facebook—I'm not even on it, which amazes my family to no end—but clearly Facebook is one of those mechanisms by which people reach each other, and before long, it'll start showing up as a developer requirement for companies looking to hire. If you're looking to build out your resume to make yourself attractive to companies in 2010, mad Facebook skillz might not be a bad investment.
    • NOW: I’m on Facebook, I’ve written some code for it, and given how much the startup scene loves the “Like” button, I think developers who knew Facebook in 2010 did pretty well for themselves.
  • THEN: ... Nintendo releases an open SDK for building games for its next-gen DS-based device. With the spectacular success of games on the iPhone, Nintendo clearly must see that they're missing a huge opportunity every day developers can't write games for the Nintendo DS that are easily downloadable to the device for playing. Nintendo is not stupid—if they don't open up the SDK and promote "casual" games like those on the iPhone and those that can now be downloaded to the Zune or the XBox, they risk being marginalized out of existence.
    • NOW: Um… yeah. Maybe this was me just being hopeful.

In general, it looks like I was more right than wrong, which is not a bad record to have. Of course, a couple of those “wrong”s were “giving up the big play” kind of wrongs, so while I may have a winning record, I still may have a defense that’s given up too many points to be taken seriously. *shrug* Oh, well.

What portends for 2011?

  • Android’s penetration into the mobile space is going to rise, then plateau around the middle of the year. Android phones, collectively, have outpaced iPhone sales. That’s a pretty significant statistic—and it means that there’s fewer customers buying smartphones in the coming year. More importantly, the first generation of Android slates (including the Galaxy Tab, which I own), are less-than-sublime, and not really an “iPad Killer” device by any stretch of the imagination. And I think that will slow down people buying Android slates and phones, particularly since Google has all but promised that Android releases will start slowing down.
  • Windows Phone 7 penetration into the mobile space will appear huge, then slow down towards the middle of the year. Microsoft is getting some pretty decent numbers now, from what I can piece together, and I think that’s largely the “I love Microsoft” crowd buying in. But it’s a pretty crowded place right now with Android and iPhone, and I’m not sure if the much-easier Office and/or Exchange integration is enough to woo consumers (who care about Office) or business types (who care about Exchange) away from their Androids and iPhones.
  • Android, iOS and/or Windows Phone 7 becomes a developer requirement. Developers, if you haven’t taken the time to learn how to program one of these three platforms, you are electing to remove yourself from a growing market that desperately wants people with these skills. I see the “mobile native app development” space as every bit as hot as the “Internet/Web development” space was back in 2000. If you don’t have a device, buy one. If you have a device, get the tools—in all three cases they’re free downloads—and start writing stupid little apps that nobody cares about, so you can have some skills on the platform when somebody cares about it.
  • The Windows 7 slates will suck. This isn’t a prediction, this is established fact. I played with an “ExoPC” 10” form factor slate running Windows 7 (Dell I think was the manufacturer), and it was a horrible experience. Windows 7, like most OSes, really expects a keyboard to be present, and a slate doesn’t have one—so the OS was hacked to put a “keyboard” button at the top of the screen that would slide out to let you touch-type on the slate. I tried to fire up Notepad and type out a haiku, and it was an unbelievably awkward process. Android and iOS clearly own the slate market for the forseeable future, and if Dell has any brains in its corporate head, it will phone up Google tomorrow and start talking about putting Android on that hardware.
  • DSLs mostly disappear from the buzz. I still see no strawman (no “pet store” equivalent), and none of the traditional builders-of-strawmen (Microsoft, Oracle, etc) appear interested in DSLs much anymore, so I think 2010 will mark the last year that we spent any time talking about the concept.
  • Facebook becomes more of a developer requirement than before. I don’t like Mark Zuckerburg. I don’t like Facebook’s privacy policies. I don’t particularly like the way Facebook approaches the Facebook Connect experience. But Facebook owns enough people to be the fourth-largest nation on the planet, and probably commands an economy of roughly that size to boot. If your app is aimed at the Facebook demographic (that is, everybody who’s not on Twitter), you have to know how to reach these people, and that means developing at least some part of your system to integrate with it.
  • Twitter becomes more of a developer requirement, too. Anybody who’s not on Facebook is on Twitter. Or dead. So to reach the other half of the online community, you have to know how to connect out with Twitter.
  • XMPP becomes more of a developer requirement. XMPP hasn’t crossed a lot of people’s radar screen before, but Facebook decided to adopt it as their chat system communication protocol, and Google’s already been using it, and suddenly there’s a whole lotta traffic going over XMPP. More importantly, it offers a two-way communication experience that is in some scenarios vastly better than what HTTP offers, yet running in a very “Internet-friendly” way just as HTTP does. I suspect that XMPP is going to start cropping up in a number of places as a useful alternative and/or complement to using HTTP.
  • “Gamification” starts making serious inroads into non-gaming systems. Maybe it’s just because I’ve been talking more about gaming, game design, and game implementation last year, but all of a sudden “gamification”—the process of putting game-like concepts into non-game applications—is cresting in a big way. FourSquare, Yelp, Gowalla, suddenly all these systems are offering achievement badges and scoring systems for people who want to play in their worlds. How long is it before a developer is pulled into a meeting and told that “we need to put achievement badges into the call-center support application”? Or the online e-commerce portal? It’ll start either this year or next.
  • Functional languages will hit a make-or-break point. I know, I said it last year. But the buzz keeps growing, and when that happens, it usually means that it’s either going to reach a critical mass and explode, or it’s going to implode—and the longer the buzz grows, the faster it explodes or implodes, accordingly. My personal guess is that the “F/O hybrids”—F#, Scala, etc—will continue to grow until they explode, particularly since the suggested v.Next changes to both Java and C# have to be done as language changes, whereas futures for F# frequently are either built as libraries masquerading as syntax (such as asynchronous workflows, introduced in 2.0) or as back-end library hooks that anybody can plug in (such as type providers, introduced at PDC a few months ago), neither of which require any language revs—and no concerns about backwards compatibility with existing code. This makes the F/O hybrids vastly more flexible and stable. In fact, I suspect that within five years or so, we’ll start seeing a gradual shift away from pure O-O systems, into systems that use a lot more functional concepts—and that will propel the F/O languages into the center of the developer mindshare.
  • The Microsoft Kinect will lose its shine. I hate to say it, but I just don’t see where the excitement is coming from. Remember when the Wii nunchucks were the most amazing thing anybody had ever seen? Frankly, after a slew of initial releases for the Wii that made use of them in interesting ways, the buzz has dropped off, and more importantly, the nunchucks turned out to be just another way to move an arrow around on the screen—in other words, we haven’t found particularly novel and interesting/game-changing ways to use the things. That’s what I think will happen with the Kinect. Sure, it’s really freakin’ cool that you can use your body as the controller—but how precise is it, how quickly can it react to my body movements, and most of all, what new user interface metaphors are people going to have to come up with in order to avoid the “me-too” dancing-game clones that are charging down the pipeline right now?
  • There will be no clear victor in the Silverlight-vs-HTML5 war. And make no mistake about it, a war is brewing. Microsoft, I think, finds itself in the inenviable position of having two very clearly useful technologies, each one’s “sphere of utility” (meaning, the range of answers to the “where would I use it?” question) very clearly overlapping. It’s sort of like being a football team with both Brett Favre and Tom Brady on your roster—both of them are superstars, but you know, deep down, that you have to cut one, because you can’t devote the same degree of time and energy to both. Microsoft is going to take most of 2011 and probably part of 2012 trying to support both, making a mess of it, offering up conflicting rationale and reasoning, in the end achieving nothing but confusing developers and harming their relationship with the Microsoft developer community in the process. Personally, I think Microsoft has no choice but to get behind HTML 5, but I like a lot of the features of Silverlight and think that it has a lot of mojo that HTML 5 lacks, and would actually be in favor of Microsoft keeping both—so long as they make it very clear to the developer community when and where each should be used. In other words, the executives in charge of each should be locked into a room and not allowed out until they’ve hammered out a business strategy that is then printed and handed out to every developer within a 3-continent radius of Redmond. (Chances of this happening: .01%)
  • Apple starts feeling the pressure to deliver a developer experience that isn’t mired in mid-90’s metaphor. Don’t look now, Apple, but a lot of software developers are coming to your platform from Java and .NET, and they’re bringing their expectations for what and how a developer IDE should look like, perform, and do, with them. Xcode is not a modern IDE, all the Apple fan-boy love for it notwithstanding, and this means that a few things will happen:
    • Eclipse gets an iOS plugin. Yes, I know, it wouldn’t work (for the most part) on a Windows-based Eclipse installation, but if Eclipse can have a native C/C++ developer experience, then there’s no reason why a Mac Eclipse install couldn’t have an Objective-C plugin, and that opens up the idea of using Eclipse to write iOS and/or native Mac apps (which will be critical when the Mac App Store debuts somewhere in 2011 or 2012).
    • Rumors will abound about Microsoft bringing Visual Studio to the Mac. Silverlight already runs on the Mac; why not bring the native development experience there? I’m not saying they’ll actually do it, and certainly not in 2011, but the rumors, they will be flyin….
    • Other third-party alternatives to Xcode will emerge and/or grow. MonoTouch is just one example. There’s opportunity here, just as the fledgling Java IDE market looked back in ‘96, and people will come to fill it.
  • NoSQL buzz grows. The NoSQL movement, which sort of got started last year, will reach significant states of buzz this year. NoSQL databases have a lot to offer, particularly in areas that relational databases are weak, such as hierarchical kinds of storage requirements, for example. That buzz will reach a fever pitch this year, and the relational database moguls (Microsoft, Oracle, IBM) will start to fight back.

I could probably go on making a few more, but I think these are enough to get me into trouble for the year.

To all of you who’ve been readers of this blog for the past year, I thank you—blog-gathered statistics tell me that I get, on average, about 7,000 hits a day, which just stuns me—and it is a New Years’ Resolution that I blog more and give you even more reason to stick around. Happy New Year, and may your 2011 be just as peaceful, prosperous, and eventful as you want it to be.


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Saturday, January 01, 2011 2:27:11 AM (Pacific Standard Time, UTC-08:00)
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 Wednesday, September 08, 2010
VMWare help

Hey, anybody who’s got significant VMWare mojo, help out a bro?

I’ve got a Win7 VM (one of many) that appears to be exhibiting weird disk behavior—the vmdk, a growable single-file VMDK, is almost precisely twice the used space. It’s a 120GB growable disk, and the Win7 guest reports about 35GB used, but the VMDK takes about 70GB on host disk. CHKDSK inside Windows says everything’s good, and the VMWare “Disk Cleanup” doesn’t change anything, either. It doesn’t seem to be a Windows7 thing, because I’ve got a half-dozen other Win7 VMs that operate… well, normally (by which I mean, 30GB used in the VMDK means 30GB used on disk). It’s a VMWare Fusion host, if that makes any difference. Any other details that might be relevant, let me know and I’ll post.

Anybody got any ideas what the heck is going on inside this disk?


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Wednesday, September 08, 2010 8:53:01 PM (Pacific Daylight Time, UTC-07:00)
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 Thursday, June 17, 2010
Architectural Katas

By now, the Twitter messages have spread, and the word is out: at Uberconf this year, I did a session ("Pragmatic Architecture"), which I've done at other venues before, but this time we made it into a 180-minute workshop instead of a 90-minute session, and the workshop included breaking the room up into small (10-ish, which was still a teensy bit too big) groups and giving each one an "architectural kata" to work on.

The architectural kata is a take on PragDave's coding kata, except taken to a higher level: the architectural kata is an exercise in which the group seeks to create an architecture to solve the problem presented. The inspiration for this came from Frederick Brooks' latest book, The Design of Design, in which he points out that the only way to get great designers is to get them to design. The corollary, of course, is that in order to create great architects, we have to get them to architect. But few architects get a chance to architect a system more than a half-dozen times or so over the lifetime of a career, and that's only for those who are fortunate to be given the opportunity to architect in the first place. Of course, the problem here is, you have to be an architect in order to get hired as an architect, but if you're not an architect, then how can you architect in order to become an architect?

Um... hang on, let me make sure I wrote that right.

Anyway, the "rules" around the kata (which makes it more difficult to consume the kata but makes the scenario more realistic, IMHO):

  • you may ask the instructor questions about the project
  • you must be prepared to present a rough architectural vision of the project and defend questions about it
  • you must be prepared to ask questions of other participants' presentations
  • you may safely make assumptions about technologies you don't know well as long as those assumptions are clearly defined and spelled out
  • you may not assume you have hiring/firing authority over the development team
  • any technology is fair game (but you must justify its use)
  • any other rules, you may ask about

The groups were given 30 minutes in which to formulate some ideas, and then three of them were given a few minutes to present their ideas and defend it against some questions from the crowd.

An example kata is below:

Architectural Kata #5: I'll have the BLT

a national sandwich shop wants to enable "fax in your order" but over the Internet instead

users: millions+

requirements: users will place their order, then be given a time to pick up their sandwich and directions to the shop (which must integrate with Google Maps); if the shop offers a delivery service, dispatch the driver with the sandwich to the user; mobile-device accessibility; offer national daily promotionals/specials; offer local daily promotionals/specials; accept payment online or in person/on delivery

As you can tell, it's vague in some ways, and this is somewhat deliberate—as one group discovered, part of the architect's job is to ask questions of the project champion (me), and they didn't, and felt like they failed pretty miserably. (In their defense, the kata they drew—randomly—was pretty much universally thought to be the hardest of the lot.) But overall, the exercise was well-received, lots of people found it a great opportunity to try being an architect, and even the team that failed felt that it was a valuable exercise.

I'm definitely going to do more of these, and refine the whole thing a little. (Thanks to everyone who participated and gave me great feedback on how to make it better.) If you're interested in having it done as a practice exercise for your development team before the start of a big project, ping me. I think this would be a *great* exercise to do during a user group meeting, too.


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Thursday, June 17, 2010 1:42:47 AM (Pacific Daylight Time, UTC-07:00)
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 Friday, May 14, 2010
Emotional commitment colors everything

As a part of my program to learn how to use the Mac OS more effectively (mostly to counteract my lack of Mac-command-line kung fu, but partly to get Neal Ford off my back ;-) ), I set the home page in Firefox to point to the OSX Daily website. This morning, this particular page popped up as the "tip of the day", and a particular thing about it struck my fancy. Go ahead and glance at it before you continue on.

On its own merits, there's nothing particularly interesting about it—it's a tip about how to do a screen-capture in OS X, which is hardly a breakthrough feature. But something about the tenor struck me: "You’ve probably noticed there is no ‘Print Screen’ button on a Mac keyboard, this is to both simplify the keyboard and also because it’s unnecessary. Instead of hitting a “Print Screen” button, you’ll hit one of several keyboard combination shortcuts, depending on the exact screen capture action you want taken. ... Command+Shift+3 takes a screenshot of the full screen ... Command+Shift+4 brings up a selection box .... Command+Shift+4, then spacebar, then click a window takes a screenshot of the window...."

Wait a second. This is simpler?

If "you're a PC", you're probably rolling on the floor with laughter at this moment, determined to go find a Mac fanboi and Lord it over him that it requires the use of no less than three keystrokes to take a friggin' screenshot.

If, on the other hand, you love the Mac, you're probably chuckling at the idiocy of PC manufacturers who continue to keep a key on the keyboard dating back from the terminal days (right next to "Scroll Lock") that rarely, if ever, gets used.

Who's right? Who's the idiot?

You both are.

See, the fact is, your perceptions of a particular element of the different platforms (the menubar at the top of the screen vs. in the main window of the app, the one-button vs. two-button mouse, and so on) colors your response. If you have emotionally committed to the Mac, then anything it does is naturally right and obvious; if you've emotionally committed to Windows, then ditto. This is a natural psychological response—it happens to everybody, to some degree or another. We need, at a subconscious level, to know that our decisions were the right ones to have made, so we look for those facts which confirm the decision, and avoid the facts that question it. (It's this same psychological drive that causes battered wives to defend their battering husbands to the police and intervening friends/family, and for people who've already committed to one political party or the other to see huge gaping holes in logic in the opponents' debate responses, but to gloss over their own candidates'.)

Why bring it up? Because this also is what drives developers to justify the decisions they've made in developing software—when a user or another developer questions a particular decision, the temptation is to defend it to the dying breath, because it was a decision we made. We start looking for justifications to back it, we start aggressively questioning the challenger's competency or right to question the decision, you name it. It's a hard thing, to admit we might have been wrong, and even harder to admit that even though we might have been right, we were for the wrong reasons, or the decision still was the wrong one, or—perhaps hardest of all—the users simply like it the other way, even though this way is vastly more efficient and sane.

Have you admitted you were wrong lately?

(Check out Predictably Irrational, How We Decide, and Why We Make Mistakes for more details on the psychology of decision-making.)


Conferences | Development Processes | Industry | Mac OS | Reading | Solaris | Windows

Friday, May 14, 2010 3:40:33 AM (Pacific Daylight Time, UTC-07:00)
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 Tuesday, January 19, 2010
10 Things To Improve Your Development Career

Cruising the Web late last night, I ran across "10 things you can do to advance your career as a developer", summarized below:

  1. Build a PC
  2. Participate in an online forum and help others
  3. Man the help desk
  4. Perform field service
  5. Perform DBA functions
  6. Perform all phases of the project lifecycle
  7. Recognize and learn the latest technologies
  8. Be an independent contractor
  9. Lead a project, supervise, or manage
  10. Seek additional education

I agreed with some of them, I disagreed with others, and in general felt like they were a little too high-level to be of real use. For example, "Seek additional education" seems entirely too vague: In what? How much? How often? And "Recognize and learn the latest technologies" is something like offering advice to the Olympic fencing silver medalist and saying, "You should have tried harder".

So, in the great spirit of "Not Invented Here", I present my own list; as usual, I welcome comment and argument. And, also as usual, caveats apply, since not everybody will be in precisely the same place and be looking for the same things. In general, though, whether you're looking to kick-start your career or just "kick it up a notch", I believe this list will help, because these ideas have been of help to me at some point or another in my own career.

10: Build a PC.

Yes, even developers have to know about hardware. More importantly, a developer at a small organization or team will find himself in a position where he has to take on some system administrator roles, and sometimes that means grabbing a screwdriver, getting a little dusty and dirty, and swapping hardware around. Having said this, though, once you've done it once or twice, leave it alone—the hardware game is an ever-shifting and ever-changing game (much like software is, surprise surprise), and it's been my experience that most of us only really have the time to pursue one or the other.

By the way, "PC" there is something of a generic term—build a Linux box, build a Windows box, or "build" a Mac OS box (meaning, buy a Mac Pro and trick it out a little—add more memory, add another hard drive, and so on), they all get you comfortable with snapping parts together, and discovering just how ridiculously simple the whole thing really is.

And for the record, once you've done it, go ahead and go back to buying pre-built systems or laptops—I've never found building a PC to be any cheaper than buying one pre-built. Particularly for PC systems, I prefer to use smaller local vendors where I can customize and trick out the box. If you're a Mac, that's not really an option unless you're into the "Hackintosh" thing, which is quite possibly the logical equivalent to "Build a PC". Having never done it myself, though, I can't say how useful that is as an educational action.

9: Pick a destination

Do you want to run a team of your own? Become an independent contractor? Teach programming classes? Speak at conferences? Move up into higher management and get out of the programming game altogether? Everybody's got a different idea of what they consider to be the "ideal" career, but it's amazing how many people don't really think about what they want their career path to be.

A wise man once said, "The journey of a thousand miles begins with a single step." I disagree: The journey of a thousand miles begins with the damn map. You have to know where you want to go, and a rough idea of how to get there, before you can really start with that single step. Otherwise, you're just wandering, which in itself isn't a bad thing, but isn't going to get you to a destination except by random chance. (Sometimes that's not a bad result, but at least then you're openly admitting that you're leaving your career in the hands of chance. If you're OK with that, skip to the next item. If you're not, read on.)

Lay out explicitly (as in, write it down someplace) what kind of job you're wanting to grow into, and then lay out a couple of scenarios that move you closer towards that goal. Can you grow within the company you're in? (Have others been able to?) Do you need to quit and strike out on your own? Do you want to lead a team of your own? (Are there new projects coming in to the company that you could put yourself forward as a potential tech lead?) And so on.

Once you've identified the destination, now you can start thinking about steps to get there.

If you want to become a speaker, put your name forward to give some presentations at the local technology user group, or volunteer to hold a "brown bag" session at the company. Sign up with Toastmasters to hone your speaking technique. Watch other speakers give technical talks, and see what they do that you don't, and vice versa.

If you want to be a tech lead, start by quietly assisting other members of the team get their work done. Help them debug thorny problems. Answer questions they have. Offer yourself up as a resource for dealing with hard problems.

If you want to slowly move up the management chain, look to get into the project management side of things. Offer to be a point of contact for the users. Learn the business better. Sit down next to one of your users and watch their interaction with the existing software, and try to see the system from their point of view.

And so on.

8: Be a bell curve

Frequently, at conferences, attendees ask me how I got to know so much on so many things. In some ways, I'm reminded of the story of a world-famous concert pianist giving a concert at Carnegie Hall—when a gushing fan said, "I'd give my life to be able to play like that", the pianist responded quietly, "I did". But as much as I'd like to leave you with the impression that I've dedicated my entire life to knowing everything I could about this industry, that would be something of a lie. The truth is, I don't know anywhere near as much as I'd like, and I'm always poking my head into new areas. Thank God for my ADD, that's all I can say on that one.

For the rest of you, though, that's not feasible, and not really practical, particularly since I have an advantage that the "working" programmer doesn't—I have set aside weeks or months in which to do nothing more than study a new technology or language.

Back in the early days of my career, though, when I was holding down the 9-to-5, I was a Windows/C++ programmer. I was working with the Borland C++ compiler and its associated framework, the ObjectWindows Library (OWL), extending and maintaining applications written in it. One contracting client wanted me to work with Microsoft MFC instead of OWL. Another one was storing data into a relational database using ODBC. And so on. Slowly, over time, I built up a "bell curve"-looking collection of skills that sort of "hovered" around the central position of C++/Windows.

Then, one day, a buddy of mine mentioned the team on which he was a project manager was looking for new blood. They were doing web applications, something with which I had zero experience—this was completely outside of my bell curve. HTML, HTTP, Cold Fusion, NetDynamics (an early Java app server), this was way out of my range, though at least NetDynamics was a little similar, since it was basically a server-side application framework, and I had some experience with app frameworks from my C++ days. So, resting on my C++ experience, I started flirting with Java, and so on.

Before long, my "bell curve" had been readjusted to have Java more or less at its center, and I found that experience in C++ still worked out here—what I knew about ODBC turned out to be incredibly useful in understanding JDBC, what I knew about DLLs from Windows turned out to be helpful in understanding Java's dynamic loading model, and of course syntactically Java looked a lot like C++ even though it behaved a little bit differently under the hood. (One article author suggested that Java was closer to Smalltalk than C++, and that prompted me to briefly flirt with Smalltalk before I concluded said author was out of his frakking mind.)

All of this happened over roughly a three-year period, by the way.

The point here is that you won't be able to assimilate the entire industry in a single sitting, so pick something that's relatively close to what you already know, and use your experience as a springboard to learn something that's new, yet possibly-if-not-probably useful to your current job. You don't have to be a deep expert in it, and the further away it is from what you do, the less you really need to know about it (hence the bell curve metaphor), but you're still exposing yourself to new ideas and new concepts and new tools/technologies that still could be applicable to what you do on a daily basis. Over time the "center" of your bell curve may drift away from what you've done to include new things, and that's OK.

7: Learn one new thing every year

In the last tip, I told you to branch out slowly from what you know. In this tip, I'm telling you to go throw a dart at something entirely unfamiliar to you and learn it. Yes, I realize this sounds contradictory. It's because those who stick to only what they know end up missing the radical shifts of direction that the industry hits every half-decade or so until it's mainstream and commonplace and "everybody's doing it".

In their amazing book "The Pragmatic Programmer", Dave Thomas and Andy Hunt suggest that you learn one new programming language every year. I'm going to amend that somewhat—not because there aren't enough languages in the world to keep you on that pace for the rest of your life—far from it, if that's what you want, go learn Ruby, F#, Scala, Groovy, Clojure, Icon, Io, Erlang, Haskell and Smalltalk, then come back to me for the list for 2020—but because languages aren't the only thing that we as developers need to explore. There's a lot of movement going on in areas beyond languages, and you don't want to be the last kid on the block to know they're happening.

Consider this list: object databases (db4o) and/or the "NoSQL" movement (MongoDB). Dependency injection and composable architectures (Spring, MEF). A dynamic language (Ruby, Python, ECMAScript). A functional language (F#, Scala, Haskell). A Lisp (Common Lisp, Clojure, Scheme, Nu). A mobile platform (iPhone, Android). "Space"-based architecture (Gigaspaces, Terracotta). Rich UI platforms (Flash/Flex, Silverlight). Browser enhancements (AJAX, jQuery, HTML 5) and how they're different from the rich UI platforms. And this is without adding any of the "obvious" stuff, like Cloud, to the list.

(I'm not convinced Cloud is something worth learning this year, anyway.)

You get through that list, you're operating outside of your comfort zone, and chances are, your boss' comfort zone, which puts you into the enviable position of being somebody who can advise him around those technologies. DO NOT TAKE THIS TO MEAN YOU MUST KNOW THEM DEEPLY. Just having a passing familiarity with them can be enough. DO NOT TAKE THIS TO MEAN YOU SHOULD PROPOSE USING THEM ON THE NEXT PROJECT. In fact, sometimes the most compelling evidence that you really know where and when they should be used is when you suggest stealing ideas from the thing, rather than trying to force-fit the thing onto the project as a whole.

6: Practice, practice, practice

Speaking of the concert pianist, somebody once asked him how to get to Carnegie Hall. HIs answer: "Practice, my boy, practice."

The same is true here. You're not going to get to be a better developer without practice. Volunteer some time—even if it's just an hour a week—on an open-source project, or start one of your own. Heck, it doesn't even have to be an "open source" project—just create some requirements of your own, solve a problem that a family member is having, or rewrite the project you're on as an interesting side-project. Do the Nike thing and "Just do it". Write some Scala code. Write some F# code. Once you're past "hello world", write the Scala code to use db4o as a persistent storage. Wire it up behind Tapestry. Or write straight servlets in Scala. And so on.

5: Turn off the TV

Speaking of marketing slogans, if you're like most Americans, surveys have shown that you watch about four hours of TV a day, or 28 hours of TV a week. In that same amount of time (28 hours over 1 week), you could read the entire set of poems by Maya Angelou, one F. Scott Fitzgerald novel, all poems by T.S.Eliot, 2 plays by Thornton Wilder, or all 150 Psalms of the Bible. An average reader, reading just one hour a day, can finish an "average-sized" book (let's assume about the size of a novel) in a week, which translates to 52 books a year.

Let's assume a technical book is going to take slightly longer, since it's a bit deeper in concept and requires you to spend some time experimenting and typing in code; let's assume that reading and going through the exercises of an average technical book will require 4 weeks (a month) instead of just one week. That's 12 new tools/languages/frameworks/ideas you'd be learning per year.

All because you stopped watching David Caruso turn to the camera, whip his sunglasses off and say something stupid. (I guess it's not his fault; CSI:Miami is a crap show. The other two are actually not bad, but Miami just makes me retch.)

After all, when's the last time that David Caruso or the rest of that show did anything that was even remotely realistic from a computer perspective? (I always laugh out loud every time they run a database search against some national database on a completely non-indexable criteria—like a partial license plate number—and it comes back in seconds. What the hell database are THEY using? I want it!) Soon as you hear The Who break into that riff, flip off the TV (or set it to mute) and pick up the book on the nightstand and boost your career. (And hopefully sink Caruso's.)

Or, if you just can't give up your weekly dose of Caruso, then put the book in the bathroom. Think about it—how much time do you spend in there a week?

And this gets even better when you get a Kindle or other e-reader that accepts PDFs, or the book you're interested in is natively supported in the e-readers' format. Now you have it with you for lunch, waiting at dinner for your food to arrive, or while you're sitting guard on your 10-year-old so he doesn't sneak out of his room after his bedtime to play more XBox.

4: Have a life

Speaking of XBox, don't slave your life to work. Pursue other things. Scientists have repeatedly discovered that exercise helps keep the mind in shape, so take a couple of hours a week (buh-bye, American Idol) and go get some exercise. Pick up a new sport you've never played before, or just go work out at the gym. (This year I'm doing Hopkido and fencing.) Read some nontechnical books. (I recommend anything by Malcolm Gladwell as a starting point.) Spend time with your family, if you have one—mine spends at least six or seven hours a week playing "family games" like Settlers of Catan, Dominion, To Court The King, Munchkin, and other non-traditional games, usually over lunch or dinner. I also belong to an informal "Game Night club" in Redmond consisting of several Microsoft employees and their families, as well as outsiders. And so on. Heck, go to a local bar and watch the game, and you'll meet some really interesting people. And some boring people, too, but you don't have to talk to them during the next game if you don't want.

This isn't just about maintaining a healthy work-life balance—it's also about having interests that other people can latch on to, qualities that will make you more "human" and more interesting as a person, and make you more attractive and "connectable" and stand out better in their mind when they hear that somebody they know is looking for a software developer. This will also help you connect better with your users, because like it or not, they do not get your puns involving Klingon. (Besides, the geek stereotype is SO 90's, and it's time we let the world know that.)

Besides, you never know when having some depth in other areas—philosophy, music, art, physics, sports, whatever—will help you create an analogy that will explain some thorny computer science concept to a non-technical person and get past a communication roadblock.

3: Practice on a cadaver

Long before they scrub up for their first surgery on a human, medical students practice on dead bodies. It's grisly, it's not something we really want to think about, but when you're the one going under the general anesthesia, would you rather see the surgeon flipping through the "How-To" manual, "just to refresh himself"?

Diagnosing and debugging a software system can be a hugely puzzling trial, largely because there are so many possible "moving parts" that are creating the problem. Compound that with certain bugs that only appear when multiple users are interacting at the same time, and you've got a recipe for disaster when a production bug suddenly threatens to jeopardize the company's online revenue stream. Do you really want to be sitting in the production center, flipping through "How-To"'s and FAQs online while your boss looks on and your CEO is counting every minute by the thousands of dollars?

Take a tip from the med student: long before the thing goes into production, introduce a bug, deploy the code into a virtual machine, then hand it over to a buddy and let him try to track it down. Have him do the same for you. Or if you can't find a buddy to help you, do it to yourself (but try not to cheat or let your knowledge of where the bug is color your reactions). How do you know the bug is there? Once you know it's there, how do you determine what kind of bug it is? Where do you start looking for it? How would you track it down without attaching a debugger or otherwise disrupting the system's operations? (Remember, we can't always just attach an IDE and step through the code on a production server.) How do you patch the running system? And so on.

Remember, you can either learn these things under controlled circumstances, learn them while you're in the "hot seat", so to speak, or not learn them at all and see how long the company keeps you around.

2: Administer the system

Take off your developer hat for a while—a week, a month, a quarter, whatever—and be one of those thankless folks who have to keep the system running. Wear the pager that goes off at 3AM when a server goes down. Stay all night doing one of those "server upgrades" that have to be done in the middle of the night because the system can't be upgraded while users are using it. Answer the phones or chat requests of those hapless users who can't figure out why they can't find the record they just entered into the system, and after a half-hour of thinking it must be a bug, ask them if they remembered to check the "Save this record" checkbox on the UI (which had to be there because the developers were told it had to be there) before submitting the form. Try adding a user. Try removing a user. Try changing the user's password. Learn what a real joy having seven different properties/XML/configuration files scattered all over the system really is.

Once you've done that, particularly on a system that you built and tossed over the fence into production and thought that was the end of it, you'll understand just why it's so important to keep the system administrators in mind when you're building a system for production. And why it's critical to be able to have a system that tells you when it's down, instead of having to go hunting up the answer when a VP tells you it is (usually because he's just gotten an outage message from a customer or client).

1: Cultivate a peer group

Yes, you can join an online forum, ask questions, answer questions, and learn that way, but that's a poor substitute for physical human contact once in a while. Like it or not, various sociological and psychological studies confirm that a "connection" is really still best made when eyeballs meet flesh. (The "disassociative" nature of email is what makes it so easy to be rude or flamboyant or downright violent in email when we would never say such things in person.) Go to conferences, join a user group, even start one of your own if you can't find one. Yes, the online avenues are still open to you—read blogs, join mailing lists or newsgroups—but don't lose sight of human-to-human contact.

While we're at it, don't create a peer group of people that all look to you for answers—as flattering as that feels, and as much as we do learn by providing answers, frequently we rise (or fall) to the level of our peers—have at least one peer group that's overwhelmingly smarter than you, and as scary as it might be, venture to offer an answer or two to that group when a question comes up. You don't have to be right—in fact, it's often vastly more educational to be wrong. Just maintain an attitude that says "I have no ego wrapped up in being right or wrong", and take the entire experience as a learning opportunity.


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Tuesday, January 19, 2010 2:02:01 AM (Pacific Standard Time, UTC-08:00)
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 Tuesday, January 05, 2010
2010 Predictions, 2009 Predictions Revisited

Here we go again—another year, another set of predictions revisited and offered up for the next 12 months. And maybe, if I'm feeling really ambitious, I'll take that shot I thought about last year and try predicting for the decade. Without further ado, I'll go back and revisit, unedited, my predictions for 2009 ("THEN"), and pontificate on those subjects for 2010 before adding any new material/topics. Just for convenience, here's a link back to last years' predictions.

Last year's predictions went something like this (complete with basketball-scoring):

  • THEN: "Cloud" will become the next "ESB" or "SOA", in that it will be something that everybody will talk about, but few will understand and even fewer will do anything with. (Considering the widespread disparity in the definition of the term, this seems like a no-brainer.) NOW: Oh, yeah. Straight up. I get two points for this one. Does anyone have a working definition of "cloud" that applies to all of the major vendors' implementations? Ted, 2; Wrongness, 0.
  • THEN: Interest in Scala will continue to rise, as will the number of detractors who point out that Scala is too hard to learn. NOW: Two points for this one, too. Not a hard one, mind you, but one of those "pass-and-shoot" jumpers from twelve feet out. James Strachan even tweeted about this earlier today, pointing out this comparison. As more Java developers who think of themselves as smart people try to pick up Scala and fail, the numbers of sour grapes responses like "Scala's too complex, and who needs that functional stuff anyway?" will continue to rise in 2010. Ted, 4; Wrongness, 0.
  • THEN: Interest in F# will continue to rise, as will the number of detractors who point out that F# is too hard to learn. (Hey, the two really are cousins, and the fortunes of one will serve as a pretty good indication of the fortunes of the other, and both really seem to be on the same arc right now.) NOW: Interestingly enough, I haven't heard as many F# detractors as Scala detractors, possibly because I think F# hasn't really reached the masses of .NET developers the way that Scala has managed to find its way in front of Java developers. I think that'll change mighty quickly in 2010, though, once VS 2010 hits the streets. Ted, 4; Wrongness 2.
  • THEN: Interest in all kinds of functional languages will continue to rise, and more than one person will take a hint from Bob "crazybob" Lee and liken functional programming to AOP, for good and for ill. People who took classes on Haskell in college will find themselves reaching for their old college textbooks again. NOW: Yep, I'm claiming two points on this one, if only because a bunch of Haskell books shipped this year, and they'll be the last to do so for about five years after this. (By the way, does anybody still remember aspects?) But I'm going the opposite way with this one now; yes, there's Haskell, and yes, there's Erlang, and yes, there's a lot of other functional languages out there, but who cares? They're hard to learn, they don't always translate well to other languages, and developers want languages that work on the platform they use on a daily basis, and that means F# and Scala or Clojure, or its simply not an option. Ted 6; Wrongness 2.
  • THEN: The iPhone is going to be hailed as "the enterprise development platform of the future", and companies will be rolling out apps to it. Look for Quicken iPhone edition, PowerPoint and/or Keynote iPhone edition, along with connectors to hook the iPhone up to a presentation device, and (I'll bet) a World of Warcraft iPhone client (legit or otherwise). iPhone is the new hotness in the mobile space, and people will flock to it madly. NOW: Two more points, but let's be honest—this was a fast-break layup, no work required on my part. Ted 8; Wrongness 2.
  • THEN: Another Oslo CTP will come out, and it will bear only a superficial resemblance to the one that came out in October at PDC. Betting on Oslo right now is a fools' bet, not because of any inherent weakness in the technology, but just because it's way too early in the cycle to be thinking about for anything vaguely resembling production code. NOW: If you've worked at all with Oslo, you might argue with me, but I'm still taking my two points. The two CTPs were pretty different in a number of ways. Ted 10; Wrongness 2.
  • THEN: The IronPython and IronRuby teams will find some serious versioning issues as they try to manage the DLR versioning story between themselves and the CLR as a whole. An initial hack will result, which will be codified into a standard practice when .NET 4.0 ships. Then the next release of IPy or IRb will have to try and slip around its restrictions in 2010/2011. By 2012, IPy and IRb will have to be shipping as part of Visual Studio just to put the releases back into lockstep with one another (and the rest of the .NET universe). NOW: Pressure is still building. Let's see what happens by the time VS 2010 ships, and then see what the IPy/IRb teams start to do to adjust to the versioning issues that arise. Ted 8; Wrongness 2.
  • THEN: The death of JSR-277 will spark an uprising among the two leading groups hoping to foist it off on the Java community--OSGi and Maven--while the rest of the Java world will breathe a huge sigh of relief and look to see what "modularity" means in Java 7. Some of the alpha geeks in Java will start using--if not building--JDK 7 builds just to get a heads-up on its impact, and be quietly surprised and, I dare say, perhaps even pleased. NOW: Ah, Ted, you really should never underestimate the community's willingness to take a bad idea, strip all the goodness out of it, and then cycle it back into the mix as something completely different yet somehow just as dangerous and crazy. I give you Project Jigsaw. Ted 10; Wrongness 2;
  • THEN: The invokedynamic JSR will leapfrog in importance to the top of the list. NOW: The invokedynamic JSR begat interest in other languages on the JVM. The interest in other languages on the JVM begat the need to start thinking about how to support them in the Java libraries. The need to start thinking about supporting those languages begat a "Holy sh*t moment" somewhere inside Sun and led them to (re-)propose closures for JDK 7. And in local sports news, Ted notched up two more points on the scoreboard. Ted 12; Wrongness 2.
  • THEN: Another Windows 7 CTP will come out, and it will spawn huge media interest that will eventually be remembered as Microsoft promises, that will eventually be remembered as Microsoft guarantees, that will eventually be remembered as Microsoft FUD and "promising much, delivering little". Microsoft ain't always at fault for the inflated expectations people have--sometimes, yes, perhaps even a lot of times, but not always. NOW: And then, just when the game started to turn into a runaway, airballs started to fly. The Windows7 release shipped, and contrary to what I expected, the general response to it was pretty warm. Yes, there were a few issues that emerged, but overall the media liked it, the masses liked it, and Microsoft seemed to have dodged a bullet. Ted 12; Wrongness 5.
  • THEN: Apple will begin to legally threaten the clone market again, except this time somebody's going to get the DOJ involved. (Yes, this is the iPhone/iTunes prediction from last year, carrying over. I still expect this to happen.) NOW: What clones? The only people trying to clone Macs are those who are building Hackintosh machines, and Apple can't sue them so long as they're using licensed copies of Mac OS X (as far as I know). Which has never stopped them from trying, mind you, and I still think Steve has some part of his brain whispering to him at night, calculating all the hardware sales lost to Hackintosh netbooks out there. But in any event, that's another shot missed. Ted 12; Wrongness 7.
  • THEN: Alpha-geek developers will start creating their own languages (even if they're obscure or bizarre ones like Shakespeare or Ook#) just to have that listed on their resume as the DSL/custom language buzz continues to build. NOW: I give you Ioke. If I'd extended this to include outdated CPU interpreters, I'd have made that three-pointer from half-court instead of just the top of the key. Ted 14; Wrongness 7.
  • THEN: Roy Fielding will officially disown most of the "REST"ful authors and software packages available. Nobody will care--or worse, somebody looking to make a name for themselves will proclaim that Roy "doesn't really understand REST". And they'll be right--Roy doesn't understand what they consider to be REST, and the fact that he created the term will be of no importance anymore. Being "REST"ful will equate to "I did it myself!", complete with expectations of a gold star and a lollipop. NOW: Does anybody in the REST community care what Roy Fielding wrote way back when? I keep seeing "REST"ful systems that seem to have designers who've never heard of Roy, or his thesis. Roy hasn't officially disowned them, but damn if he doesn't seem close to it. Still.... No points. Ted 14; Wrongness 9.
  • THEN: The Parrot guys will make at least one more minor point release. Nobody will notice or care, except for a few doggedly stubborn Perl hackers. They will find themselves having nightmares of previous lives carrying around OS/2 books and Amiga paraphernalia. Perl 6 will celebrate it's seventh... or is it eighth?... anniversary of being announced, and nobody will notice. NOW: Does anybody still follow Perl 6 development? Has the spec even been written yet? Google on "Perl 6 release", and you get varying reports: "It'll ship 'when it's ready'", "There are no such dates because this isn't a commericially-backed effort", and "Spring 2010". Swish—nothin' but net. Ted 16; Wrongness 9.
  • THEN: The debate around "Scrum Certification" will rise to a fever pitch as short-sighted money-tight companies start looking for reasons to cut costs and either buy into agile at a superficial level and watch it fail, or start looking to cut the agilists from their company in order to replace them with cheaper labor. NOW: Agile has become another adjective meaning "best practices", and as such, has essentially lost its meaning. Just ask Scott Bellware. Ted 18; Wrongness 9.
  • THEN: Adobe will continue to make Flex and AIR look more like C# and the CLR even as Microsoft tries to make Silverlight look more like Flash and AIR. Web designers will now get to experience the same fun that back-end web developers have enjoyed for near-on a decade, as shops begin to artificially partition themselves up as either "Flash" shops or "Silverlight" shops. NOW: Not sure how to score this one—I haven't seen the explicit partitioning happen yet, but the two environments definitely still seem to be looking to start tromping on each others' turf, particularly when we look at the rapid releases coming from the Silverlight team. Ted 16; Wrongness 11.
  • THEN: Gartner will still come knocking, looking to hire me for outrageous sums of money to do nothing but blog and wax prophetic. NOW: Still no job offers. Damn. Ah, well. Ted 16; Wrongness 13.

A close game. Could've gone either way. *shrug* Ah, well. It was silly to try and score it in basketball metaphor, anyway—that's the last time I watch ESPN before writing this.

For 2010, I predict....

  • ... I will offer 3- and 4-day training classes on F# and Scala, among other things. OK, that's not fair—yes, I have the materials, I just need to work out locations and times. Contact me if you're interested in a private class, by the way.
  • ... I will publish two books, one on F# and one on Scala. OK, OK, another plug. Or, rather, more of a resolution. One will be the "Professional F#" I'm doing for Wiley/Wrox, the other isn't yet finalized. But it'll either be published through a publisher, or self-published, by JavaOne 2010.
  • ... DSLs will either "succeed" this year, or begin the short slide into the dustbin of obscure programming ideas. Domain-specific language advocates have to put up some kind of strawman for developers to learn from and poke at, or the whole concept will just fade away. Martin's book will help, if it ships this year, but even that might not be enough to generate interest if it doesn't have some kind of large-scale applicability in it. Patterns and refactoring and enterprise containers all had a huge advantage in that developers could see pretty easily what the problem was they solved; DSLs haven't made that clear yet.
  • ... functional languages will start to see a backlash. I hate to say it, but "getting" the functional mindset is hard, and there's precious few resources that are making it easy for mainstream (read: O-O) developers make that adjustment, far fewer than there was during the procedural-to-object shift. If the functional community doesn't want to become mainstream, then mainstream developers will find ways to take functional's most compelling gateway use-case (parallel/concurrent programming) and find a way to "git 'er done" in the traditional O-O approach, probably through software transactional memory, and functional languages like Haskell and Erlang will be relegated to the "What Might Have Been" of computer science history. Not sure what I mean? Try this: walk into a functional language forum, and ask what a monad is. Nobody yet has been able to produce an answer that doesn't involve math theory, or that does involve a practical domain-object-based example. In fact, nobody has really said why (or if) monads are even still useful. Or catamorphisms. Or any of the other dime-store words that the functional community likes to toss around.
  • ... Visual Studio 2010 will ship on time, and be one of the buggiest and/or slowest releases in its history. I hate to make this prediction, because I really don't want to be right, but there's just so much happening in the Visual Studio refactoring effort that it makes me incredibly nervous. Widespread adoption of VS2010 will wait until SP1 at the earliest. In fact....
  • ... Visual Studio 2010 SP 1 will ship within three months of the final product. Microsoft knows that people wait until SP 1 to think about upgrading, so they'll just plan for an eager SP 1 release, and hope that managers will be too hung over from the New Year (still) to notice that the necessary shakeout time hasn't happened.
  • ... Apple will ship a tablet with multi-touch on it, and it will flop horribly. Not sure why I think this, but I just don't think the multi-touch paradigm that Apple has cooked up for the iPhone will carry over to a tablet/laptop device. That won't stop them from shipping it, and it won't stop Apple fan-boiz from buying it, but that's about where the interest will end.
  • ... JDK 7 closures will be debated for a few weeks, then become a fait accompli as the Java community shrugs its collective shoulders. Frankly, I think the Java community has exhausted its interest in debating new language features for Java. Recent college grads and open-source groups with an axe to grind will continue to try and make an issue out of this, but I think the overall Java community just... doesn't... care. They just want to see JDK 7 ship someday.
  • ... Scala either "pops" in 2010, or begins to fall apart. By "pops", I mean reaches a critical mass of developers interested in using it, enough to convince somebody to create a company around it, a la G2One.
  • ... Oracle is going to make a serious "cloud" play, probably by offering an Oracle-hosted version of Azure or AppEngine. Oracle loves the enterprise space too much, and derives too much money from it, to not at least appear to have some kind of offering here. Now that they own Java, they'll marry it up against OpenSolaris, the Oracle database, and throw the whole thing into a series of server centers all over the continent, and call it "Oracle 12c" (c for Cloud, of course) or something.
  • ... Spring development will slow to a crawl and start to take a left turn toward cloud ideas. VMWare bought SpringSource for a reason, and I believe it's entirely centered around VMWare's movement into the cloud space—they want to be more than "just" a virtualization tool. Spring + Groovy makes a compelling development stack, particularly if VMWare does some interesting hooks-n-hacks to make Spring a virtualization environment in its own right somehow. But from a practical perspective, any community-driven development against Spring is all but basically dead. The source may be downloadable later, like the VMWare Player code is, but making contributions back? Fuhgeddabowdit.
  • ... the explosion of e-book readers brings the Kindle 2009 edition way down to size. The era of the e-book reader is here, and honestly, while I'm glad I have a Kindle, I'm expecting that I'll be dusting it off a shelf in a few years. Kinda like I do with my iPods from a few years ago.
  • ... "social networking" becomes the "Web 2.0" of 2010. In other words, using the term will basically identify you as a tech wannabe and clearly out of touch with the bleeding edge.
  • ... Facebook becomes a developer platform requirement. I don't pretend to know anything about Facebook—I'm not even on it, which amazes my family to no end—but clearly Facebook is one of those mechanisms by which people reach each other, and before long, it'll start showing up as a developer requirement for companies looking to hire. If you're looking to build out your resume to make yourself attractive to companies in 2010, mad Facebook skillz might not be a bad investment.
  • ... Nintendo releases an open SDK for building games for its next-gen DS-based device. With the spectacular success of games on the iPhone, Nintendo clearly must see that they're missing a huge opportunity every day developers can't write games for the Nintendo DS that are easily downloadable to the device for playing. Nintendo is not stupid—if they don't open up the SDK and promote "casual" games like those on the iPhone and those that can now be downloaded to the Zune or the XBox, they risk being marginalized out of existence.

And for the next decade, I predict....

  • ... colleges and unversities will begin issuing e-book reader devices to students. It's a helluvalot cheaper than issuing laptops or netbooks, and besides....
  • ... netbooks and e-book readers will merge before the decade is out. Let's be honest—if the e-book reader could do email and browse the web, you have almost the perfect paperback-sized mobile device. As for the credit-card sized mobile device....
  • ... mobile phones will all but disappear as they turn into what PDAs tried to be. "The iPhone makes calls? Really? You mean Voice-over-IP, right? No, wait, over cell signal? It can do that? Wow, there's really an app for everything, isn't there?"
  • ... wireless formats will skyrocket in importance all around the office and home. Combine the iPhone's Bluetooth (or something similar yet lower-power-consuming) with an equally-capable (Bluetooth or otherwise) projector, and suddenly many executives can leave their netbook or laptop at home for a business presentation. Throw in the Whispersync-aware e-book reader/netbook-thing, and now most executives have absolutely zero reason to carry anything but their e-book/netbook and their phone/PDA. The day somebody figures out an easy way to combine Bluetooth with PayPal on the iPhone or Android phone, we will have more or less made pocket change irrelevant. And believe me, that day will happen before the end of the decade.
  • ... either Android or Windows Mobile will gain some serious market share against the iPhone the day they figure out how to support an open and unrestricted AppStore-like app acquisition model. Let's be honest, the attraction of iTunes and AppStore is that I can see an "Oh, cool!" app on a buddy's iPhone, and have it on mine less than 30 seconds later. If Android or WinMo can figure out how to offer that same kind of experience without the draconian AppStore policies to go with it, they'll start making up lost ground on iPhone in a hurry.
  • ... Apple becomes the DOJ target of the decade. Microsoft was it in the 2000's, and Apple's stunning rising success is going to put it squarely in the sights of monopolist accusations before long. Coupled with the unfortunate health distractions that Steve Jobs has to deal with, Apple's going to get hammered pretty hard by the end of the decade, but it will have mastered enough market share and mindshare to weather it as Microsoft has.
  • ... Google becomes the next Microsoft. It won't be anything the founders do, but Google will do "something evil", and it will be loudly and screechingly pointed out by all of Google's corporate opponents, and the star will have fallen.
  • ... Microsoft finds its way again. Microsoft, as a company, has lost its way. This is a company that's not used to losing, and like Bill Belichick's Patriots, they will find ways to adapt and adjust to the changed circumstances of their position to find a way to win again. What that'll be, I have no idea, but historically, the last decade notwithstanding, betting against Microsoft has historically been a bad idea. My gut tells me they'll figure something new to get that mojo back.
  • ... a politician will make himself or herself famous by standing up to the TSA. The scene will play out like this: during a Congressional hearing on airline security, after some nut/terrorist tries to blow up another plane through nitroglycerine-soaked underwear, the TSA director will suggest all passengers should fly naked in order to preserve safety, the congressman/woman will stare open-mouthed at this suggestion, proclaim, "Have you no sense of decency, sir?" and immediately get a standing ovation and never have to worry about re-election again. Folks, if we want to prevent any chance of loss of life from a terrorist act on an airplane, we have to prevent passengers from getting on them. Otherwise, just accept that it might happen, do a reasonable job of preventing it from happening, and let private insurance start offering flight insurance against the possibility to reassure the paranoid.

See you all next year.


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Tuesday, January 05, 2010 1:45:59 AM (Pacific Standard Time, UTC-08:00)
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 Sunday, November 22, 2009
Book Review: Debug It! (Paul Butcher, Pragmatic Bookshelf)

Paul asked me to review this, his first book, and my comment to him was that he had a pretty high bar to match; being of the same "series" as Release It!, Mike Nygard's take on building software ready for production (and, in my repeatedly stated opinion, the most important-to-read book of the decade), Debug It! had some pretty impressive shoes to fill. Paul's comment was pretty predictable: "Thanks for keeping the pressure to a minimum."

My copy arrived in the mail while I was at the NFJS show in Denver this past weekend, and with a certain amount of dread and excitement, I opened the envelope and sat down to read for a few minutes. I managed to get halfway through it before deciding I had to post a review before I get too caught up in my next trip and forget.

Short version

Debug It! is a great resource for anyone looking to learn the science of good debugging. It is entirely language- and platform-agnostic, preferring to focus entirely on the process and mindset of debugging, rather than on edge cases or command-line switches in a tool or language. Overall, the writing is clear and straightforward without being preachy or judgmental, and is liberally annotated with real-life case stories from both the authors' and the Pragmatic Programmers' own history, which keeps the tone lighter and yet still proving the point of the text. Highly recommended for the junior developers on the team; senior developers will likely find some good tidbits in here as well.

Long version

Debug It! is an excellently-written and to-the-point description of the process of not only identifying and fixing defects in software, but also of the attitudes required to keep software from failing. Rather than simply tossing off old maxims or warming them over with new terminology ("You should always verify the parameters to your procedure calls" replaced with "You should always verify the parameters entering a method and ensure the fields follow the invariants established in the specification"), Paul ensures that when making a point, his prose is clear, the rationale carefully explained, and the consequences of not following this advice are clearly spelled out. His advice is pragmatic, and takes into account that developers can't always follow the absolute rules we'd like to—he talks about some of his experiences with "bug priorities" and how users pretty quickly figured out to always set the bug's priority at the highest level in order to get developer attention, for example, and some ways to try and address that all-too-human failing of bug-tracking systems.

It needs to be said, right from the beginning, that Debug It! will not teach you how to use the debugging features of your favorite IDE, however. This is because Paul (deliberately, it seems) takes a platform- and language-agnostic approach to the book—there are no examples of how to set breakpoints in gdb, or how to attach the Visual Studio IDE to a running Windows service, for example. This will likely weed out those readers who are looking for "Google-able" answers to their common debugging problems, and that's a shame, because those are probably the very readers that need to read this book. Having said that, however, I like this agnostic approach, because these ideas and thought processes, the ones that are entirely independent of the language or platform, are exactly the kinds of things that senior developers carry over with them from one platform to the next. Still, the junior developer who picks this book up is going to still need a reference manual or the user manual for their IDE or toolchain, and will need to practice some with both books in hand if they want to maximize the effectiveness of what's in here.

One of the things I like most about this book is that it is liberally adorned with real-life discussions of various scenarios the author team has experienced; the reason I say "author team" here is because although the stories (for the most part) remain unattributed, there are obvious references to "Dave" and "Andy", which I assume pretty obviously refer to Dave Thomas and Andy Hunt, the Pragmatic Programmers and the owners of Pragmatic Bookshelf. Some of the stories are humorous, and some of them probably would be humorous if they didn't strike so close to my own bitterly-remembered experiences. All of them do a good job of reinforcing the point, however, thus rendering the prose more effective in communicating the idea without getting to be too preachy or bombastic.

The book obviously intends to target a junior developer audience, because most senior developers have already intuitively (or experientially) figured out many of the processes described in here. But, quite frankly, I think it would be a shame for senior developers to pass on this one; though the temptation will be to simply toss it aside and say, "I already do all this stuff", senior developers should resist that urge and read it through cover to cover. If nothing else, it'll help reinforce certain ideas, bring some of the intuitive process more to light and allow us to analyze what we do right and what we do wrong, and perhaps most importantly, give us a common backdrop against which we can mentor junior developers in the science of debugging.

One of the chapters I like in particular, "Chapter 7: Pragmatic Zero Tolerance", is particularly good reading for those shops that currently suffer from a deficit of management support for writing good software. In it, Paul talks specifically about some of the triage process about bugs ("When to fix bugs"), the mental approach developers should have to fixing bugs ("The debugging mind-set") and how to get started on creating good software out of bad ("How to dig yourself out of a quality hole"). These are techniques that a senior developer can bring to the team and implement at a grass-roots level, in many cases without management even being aware of what's going on. (It's a sad state of affairs that we sometimes have to work behind management's back to write good-quality code, but I know that some developers out there are in exactly that situation, and simply saying, "Quit and find a new job", although pithy and good for a laugh on a panel, doesn't really offer much in the way of help. Paul doesn't take that route here, and that alone makes this book worth reading.)

Another of the chapters that resonates well with me is the first one in Part III ("Debug Fu"), Chapter 8, entitled "Special Cases", in which he tackles a number of "advanced" debugging topics, such as "Patching Existing Releases" and "Hesenbugs" (Concurrency-related bugs). I won't spoil the punchline for you, but suffice it to say that I wish I'd had that chapter on hand to give out to teammates on a few projects I've worked on in the past.

Overall, this book is going to be a huge win, and I think it's a worthy successor to the Release It! reputation. Development managers and team leads should get a copy for the junior developers on their team as a Christmas gift, but only after the senior developers have read through it as well. (Senior devs, don't despair—at 190 pages, you can rip through this in a single night, and I can almost guarantee that you'll learn a few ideas you can put into practice the next morning to boot.)


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Sunday, November 22, 2009 11:24:41 PM (Pacific Standard Time, UTC-08:00)
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 Tuesday, October 13, 2009
Haacked, but not content; agile still treats the disease

Phil Haack wrote a thoughtful, insightful and absolutely correct response to my earlier blog post. But he's still missing the point.

The short version: Phil's right when he says, "Agile is less about managing the complexity of an application itself and more about managing the complexity of building an application." Agile is by far the best approach to take when building complex software.

But that's not where I'm going with this.

As a starting point in the discussion, I'd like to call attention to one of Phil's sidebars: I find it curious (and indicative of the larger point) his earlier comment about "I have to wonder, why is that little school district in western Pennsylvania engaging in custom software development in the first place?" At what point does standing a small Access database up qualify as "custom software development"? And I take huge issue with Phil's comment immediately thereafter: "" That's totally untrue, Phil—you are, in fact, creating custom educational curricula, for your children at home. Not for popular usage, not for commercial use, but clearly you're educating your children at home, because you'd be a pretty crappy parent if you didn't. You also practice an informal form of medicine ("Let me kiss the boo-boo"), psychology ("Now, come on, share the truck"), culinary arts ("Would you like mac and cheese tonight?"), acting ("Aaar! I'm the Tickle Monster!") and a vastly larger array of "professional" skills that any of the "professionals" will do vastly better than you.

In other words, you're not a professional actor/chef/shrink/doctor, you're an amateur one, and you want tools that let you practice your amateur "professions" as you wish, without requiring the skills and trappings (and overhead) of a professional in the same arena.

Consider this, Phil: your child decides it's time to have a puppy. (We all know the kids are the ones who make these choices, not us, right?) So, being the conscientious parent that you are, you decide to build a doghouse for the new puppy to use to sleep outdoors (forgetting, as all parents do, that the puppy will actually end up sleeping in the bed with your child, but that's another discussion for another day). So immediately you head on down to Home Depot, grab some lumber, some nails, maybe a hammer and a screwdriver, some paint, and head on home.

Whoa, there, turbo. Aren't you forgetting a few things? For starters, you need to get the concrete for the foundation, rebar to support the concrete in the event of a bad earthquake, drywall, fire extinguishers, sirens for the emergency exit doors... And of course, you'll need a foreman to coordinate all the work, to make sure the foundation is poured before the carpenters show up to put up the trusses, which in turn has to happen before the drywall can go up...

We in this industry have a jealous and irrational attitude towards the amateur software developer. This was even apparent in the Twitter comments that accompanied the conversation around my blog post: "@tedneward treating the disease would mean... have the client have all their ideas correct from the start" (from @kelps). In other words, "bad client! No biscuit!"?

Why is it that we, IT professionals, consider anything that involves doing something other than simply putting content into an application to be "custom software development"? Why can't end-users create tools of their own to solve their own problems at a scale appropriate to their local problem?

Phil offers a few examples of why end-users creating their own tools is a Bad Idea:

I remember one rescue operation for a company drowning in the complexity of a “simple” Access application they used to run their business. It was simple until they started adding new business processes they needed to track. It was simple until they started emailing copies around and were unsure which was the “master copy”. Not to mention all the data integrity issues and difficulty in changing the monolithic procedural application code.

I also remember helping a teachers union who started off with a simple attendance tracker style app (to use an example Ted mentions) and just scaled it up to an atrociously complex Access database with stranded data and manual processes where they printed excel spreadsheets to paper, then manually entered it into another application.

And you know what?

This is not a bad state of affairs.

Oh, of course, we, the IT professionals, will immediately pounce on all the things wrong with their attempts to extend the once-simple application/solution in ways beyond its capabilities, and we will scoff at their solutions, but you know what? That just speaks to our insecurities, not the effort expended. You think Wolfgang Puck isn't going to throw back his head and roar at my lame attempts at culinary experimentation? You think Frank Lloyd Wright wouldn't cringe in horror at my cobbled-together doghouse? And I'll bet Maya Angelou will be so shocked at the ugliness of my poetry that she'll post it somewhere on the "So You Think You're A Poet" website.

Does that mean I need to abandon my efforts to all of these things?

The agilists' community reaction to my post would seem to imply so. "If you aren't a professional, don't even attempt this?" Really? Is that the message we're preaching these days?

End users have just as much a desire and right to be amateur software developers as we do at being amateur cooks, photographers, poets, construction foremen, and musicians. And what do you do when you want to add an addition to your house instead of just building a doghouse? Or when you want to cook for several hundred people instead of just your family?

You hire a professional, and let them do the project professionally.


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Tuesday, October 13, 2009 1:42:22 PM (Pacific Daylight Time, UTC-07:00)
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 Monday, October 12, 2009
"Agile is treating the symptoms, not the disease"

The above quote was tossed off by Billy Hollis at the patterns&practices Summit this week in Redmond. I passed the quote out to the Twitter masses, along with my +1, and predictably, the comments started coming in shortly thereafter. Rather than limit the thoughts to the 120 or so characters that Twitter limits us to, I thought this subject deserved some greater expansion.

But before I do, let me try (badly) to paraphrase the lightning talk that Billy gave here, which sets context for the discussion:

  • Keeping track of all the stuff Microsoft is releasing is hard work: LINQ, EF, Silverlight, ASP.NET MVC, Enterprise Library, Azure, Prism, Sparkle, MEF, WCF, WF, WPF, InfoCard, CardSpace, the list goes on and on, and frankly, nobody (and I mean nobody) can track it all.
  • Microsoft released all this stuff because they were chasing the "enterprise" part of the developer/business curve, as opposed to the "long tail" part of the curve that they used to chase down. They did this because they believed that this was good business practice—like banks, "enterprises are where the money is". (If you're not familiar with this curve, imagine a graph with a single curve asymptotically reaching for both axes, where Y is the number of developers on the project, and X is the number of projects. What you get is a curve of a few high-developer-population projects on the left, to a large number of projects with just 1 or 2 developers. This right-hand portion of the curve is known as "the long tail" of the software industry.)
  • A lot of software written back in the 90's was written by 1 or 2 guys working for just a few months to slam something out and see if it was useful. What chances do those kinds of projects have today? What tools would you use to build them?
  • The problem is the complexity of the tools we have available to us today preclude that kind of software development.
  • Agile doesn't solve this problem—the agile movement suggests that we have to create story cards, we have to build unit tests, we have to have a continuous integration server, we have to have standup meetings every day, .... In short, particularly among the agile evangelists (by which we really mean zealots), if you aren't doing a full agile process, you are simply failing. (If this is true, how on earth did all those thousands of applications written in FoxPro or Access ever manage to succeed? –-Me) At one point, an agilist said point-blank, "If you don't do agile, what happens when your project reaches a thousand users?" As Billy put it, "Think about that for a second: This agile guy is threatening us with success."
  • Agile is for managing complexity. What we need is to recognize that there is a place for outright simplicity instead.

By the way, let me say this out loud: if you have not heard Billy Hollis speak, you should. Even if you're a Java or Ruby developer, you should listen to what he has to say. He's been developing software for a long time, has seen a lot of these technology-industry trends come and go, and even if you disagree with him, you need to listen to him.

Let me rephrase Billy's talk this way:

Where is this decade's Access?

It may seem like a snarky and trolling question, but think about it for a moment: for a decade or so, I was brought into project after project that was designed to essentially rebuild/rearchitect the Access database created by one of the department's more tech-savvy employees into something that could scale beyond just the department.

(Actually, in about half of them, the goal wasn't even to scale it up, it was just to put it on the web. It was only in the subsequent meetings and discussions that the issues of scale came up, and if my memory is accurate, I was the one who raised those issues, not the customer. I wonder now, looking back at it, if that was pure gold-plating on my part.)

Others, including many people I care about (Rod Paddock, Markus Eggers, Ken Levy, Cathi Gero, for starters) made a healthy living off of building "line of business" applications in FoxPro, which Microsoft has now officially shut down. For those who did Office applications, Visual Basic for Applications has now been officially deprecated in favor of VSTO (Visual Studio Tools for Office), a set of libraries that are available for use by any .NET application language, and of course classic Visual Basic itself has been "brought into the fold" by making it a fully-fledged object-oriented language complete with XML literals and LINQ query capabilities.

Which means, if somebody working for a small school district in western Pennsylvania wants to build a simple application for tracking students' attendance (rather than tracking it on paper anymore), what do they do?

Bruce Tate alluded to this in his Beyond Java, based on the realization that the Java space was no better—to bring a college/university student up to speed on all the necessary technologies required of a "productive" Java developer, he calculated at least five or six weeks of training was required. And that's not a bad estimate, and might even be a bit on the shortened side. You can maybe get away with less if they're joining a team which collectively has these skills distributed across the entire team, but if we're talking about a standalone developer who's going to be building software by himself, it's a pretty impressive list. Here's my back-of-the-envelope calculations:

  • Week one: Java language. (Nobody ever comes out of college knowing all the Java language they need.)
  • Week two: Java virtual machine: threading/concurrency, ClassLoaders, Serialization, RMI, XML parsing, reference types (weak, soft, phantom).
  • Week three: Infrastructure: Ant, JUnit, continuous integration, Spring.
  • Week four: Data access: JDBC, Hibernate. (Yes, I think you need a full week on Hibernate to be able to use it effectively.)
  • Week five: Web: HTTP, HTML, servlets, filters, servlet context and listeners, JSP, model-view-controller, and probably some Ajax to boot.

I could go on (seriously! no JMS? no REST? no Web services?), but you get the point. And lest the .NET community start feeling complacent, put together a similar list for the standalone .NET developer, and you'll come out to something pretty equivalent. (Just look at the Pluralsight list of courses—name the one course you would give that college kid to bring him up to speed. Stumped? Don't feel bad—I can't, either. And it's not them—pick on any of the training companies.)

Now throw agile into that mix: how does an agile process reduce the complexity load? And the answer, of course, is that it doesn't—it simply tries to muddle through as best it can, by doing all of the things that developers need to be doing: gathering as much feedback from every corner of their world as they can, through tests, customer interaction, and frequent releases. All of which is good. I'm not here to suggest that we should all give up agile and immediately go back to waterfall and Big Design Up Front. Anybody who uses Billy's quote as a sound bite to suggest that is a subversive and a terrorist and should have their arguments refuted with extreme prejudice.

But agile is not going to reduce the technology complexity load, which is the root cause of the problem.

Or, perhaps, let me ask it this way: your 16-year-old wants to build a system to track the cards in his Magic deck. What language do you teach him?

We are in desperate need of simplicity in this industry. Whoever gets that, and gets it right, defines the "Next Big Thing".


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Monday, October 12, 2009 4:51:39 PM (Pacific Daylight Time, UTC-07:00)
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 Sunday, January 18, 2009
Seattle/Redmond/Bellevue Nerd Dinner

From Scott Hanselman's blog:

Are you in King County/Seattle/Redmond/Bellevue Washington and surrounding areas? Are you a huge nerd? Perhaps a geek? No? Maybe a dork, dweeb or wonk. Maybe you're in town for an SDR (Software Design Review) visiting BillG. Quite possibly you're just a normal person.

Regardless, why not join us for some Mall Food at the Crossroads Bellevue Mall Food Court on Monday, January 19th around 6:30pm?

...

NOTE: RSVP by leaving a comment here and show up on January 19th at 6:30pm! Feel free to bring friends, kids or family. Bring a Ruby or Java person!

Any of the SeaJUG want to attend? (Anybody know of a Ruby JUG in the Eastside area, by the way?) I'm game....


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Sunday, January 18, 2009 1:01:19 AM (Pacific Standard Time, UTC-08:00)
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 Wednesday, December 31, 2008
2009 Predictions, 2008 Predictions Revisited

It's once again that time of year, and in keeping with my tradition, I'll revisit the 2008 predictions to see how close I came before I start waxing prophetic on the coming year. (I'm thinking that maybe the next year--2010's edition--I should actually take a shot at predicting the next decade, but I'm not sure if I'd remember to go back and revisit it in 2020 to see how I did. Anybody want to set a calendar reminder for Dec 31 2019 and remind me, complete with URL? ;-) )

Without further preamble, here's what I said for 2008:

  • THEN: General: The buzz around building custom languages will only continue to build. More and more tools are emerging to support the creation of custom programming languages, like Microsoft's Phoenix, Scala's parser combinators, the Microsoft DLR, SOOT, Javassist, JParsec/NParsec, and so on. Suddenly, the whole "write your own lexer and parser and AST from scratch" idea seems about as outmoded as the idea of building your own String class. Granted, there are cases where a from-hand scanner/lexer/parser/AST/etc is the Right Thing To Do, but there are times when building your own String class is the Right Thing To Do, too. Between the rich ecosystem of dynamic languages that could be ported to the JVM/CLR, and the interesting strides being made on both platforms (JVM and CLR) to make them more "dynamic-friendly" (such as being able to reify classes or access the call stack directly), the probability that your company will find a need that is best answered by building a custom language are only going to rise. NOW: The buzz has definitely continued to build, but buzz can only take us so far. There's been some scattershot use of custom languages in a few scattershot situations, but it's certainly not "taken the world by storm" in any meaningful way yet.
  • THEN: General: The hype surrounding "domain-specific languages" will peak in 2008, and start to generate a backlash. Let's be honest: when somebody looks you straight in the eye and suggests that "scattered, smothered and covered" is a domain-specific language, the term has lost all meaning. A lexicon unique to an industry is not a domain-specific language; it's a lexicon. Period. If you can incorporate said lexicon into your software, thus making it accessible to non-technical professionals, that's a good thing. But simply using the lexicon doesn't make it a domain-specific language. Or, alternatively, if you like, every single API designed for a particular purpose is itself a domain-specific language. This means that Spring configuration files are a DSL. Deployment descriptors are a DSL. The Java language is a DSL (since the domain is that of programmers familiar with the Java language). See how nonsensical this can get? Until somebody comes up with a workable definition of the term "domain" in "domain-specific language", it's a nonsensical term. The idea is a powerful one, mind you--creating something that's more "in tune" with what users understand and can use easily is a technique that's been proven for decades now. Anybody who's ever watched an accountant rip an entirely new set of predictions for the new fiscal outlook based entirely on a few seed numbers and a deeply-nested set of Excel macros knows this already. Whether you call them domain-specific languages or "little languages" or "user-centric languages" or "macro language" is really up to you. NOW: The backlash hasn't begun, but only because the DSL buzz hasn't materialized in much way yet--see previous note. It generally takes a year or two of deployments (and hard-earned experience) before a backlash begins, and we haven't hit that "deployments" stage yet in anything yet resembling "critical mass" yet. But the DSL/custom language buzz continues to grow, and the more the buzz grows, the more the backlash is likey.
  • THEN: General: Functional languages will begin to make their presence felt. Between Microsoft's productization plans for F# and the growing community of Scala programmers, not to mention the inherently functional concepts buried inside of LINQ and the concurrency-friendly capabilities of side-effect-free programming, the world is going to find itself working its way into functional thinking either directly or indirectly. And when programmers start to see the inherent capabilities inside of Scala (such as Actors) and/or F# (such as asynchronous workflows), they're going to embrace the strange new world of functional/object hybrid and never look back. NOW: Several books on F# and Scala (and even one or two on Haskell!) were published in 2008, and several more (including one of my own) are on the way. The functional buzz is building, and lots of disparate groups are each evaluating it (functional programming) independently.
  • THEN: General: MacOS is going to start posting some serious market share numbers, leading lots of analysts to predict that Microsoft Windows has peaked and is due to collapse sometime within the remainder of the decade. Mac's not only a wonderful OS, but it's some of the best hardware to run Vista on. That will lead not a few customers to buy Mac hardware, wipe the machine, and install Vista, as many of the uber-geeks in the Windows world are already doing. This will in turn lead Gartner (always on the lookout for an established trend they can "predict" on) to suggest that Mac is going to end up with 115% market share by 2012 (.8 probability), then sell you this wisdom for a mere price of $1.5 million (per copy). NOW: Can't speak to the Gartner report--I didn't have $1.5 million handy--but certainly the MacOS is growing in popularity. More on that later.
  • THEN: General: Ted will be hired by Gartner... if only to keep him from smacking them around so much. .0001 probability, with probability going up exponentially as my salary offer goes up exponentially. (Hey, I've got kids headed for college in a few years.) NOW: Well, Gartner appears to have lost my email address and phone number, but I'm sure they were planning to make me that offer.
  • THEN: General: MacOS is going to start creaking in a few places. The Mac OS is a wonderful OS, but it's got its own creaky parts, and the more users that come to Mac OS, the more that software packages are going to exploit some of those creaky parts, leading to some instability in the Mac OS. It won't be widespread, but for those who are interested in finding it, they're there. Assuming current trends (of customers adopting Mac OS) hold, the Mac OS 10.6 upgrade is going to be a very interesting process, indeed. NOW: Shhh. Don't tell anybody, but I've been seeing it starting to happen. Don't get me wrong, Apple still does a pretty good job with the OS, but the law of numbers has started to create some bad upgrade scenarios for some people.
  • THEN: General: Somebody is going to realize that iTunes is the world's biggest monopoly on music, and Apple will be forced to defend itself in the court of law, the court of public opinion, or both. Let's be frank: if this were Microsoft, offering music that can only be played on Microsoft music players, the world would be through the roof. All UI goodness to one side, the iPod represents just as much of a monopoly in the music player business as Internet Explorer did in the operating system business, and if the world doesn't start taking Apple to task over this, then "justice" is a word that only applies when losers in an industry want to drag down the market leader (which I firmly believe to be the case--nobody likes more than to pile on the successful guy). NOW: Nothing this year.
  • THEN: General: Somebody is going to realize that the iPhone's "nothing we didn't write will survive the next upgrade process" policy is nothing short of draconian. As my father, who gets it right every once in a while, says, "If I put a third-party stereo in my car, the dealer doesn't get to rip it out and replace it with one of their own (or nothing at all!) the next time I take it in for an oil change". Fact is, if I buy the phone, I own the phone, and I own what's on it. Unfortunately, this takes us squarely into the realm of DRM and IP ownership, and we all know how clear-cut that is... But once the general public starts to understand some of these issues--and I think the iPhone and iTunes may just be the vehicle that will teach them--look out, folks, because the backlash will be huge. As in, "Move over, Mr. Gates, you're about to be joined in infamy by your other buddy Steve...." NOW: Apple released iPhone 2.0, and with it, the iPhone SDK, so at least Apple has opened the dashboard to third-party stereos. But the deployment model (AppStore) is still a bit draconian, and Apple still jealously holds the reins over which apps can be deployed there and which ones can't, so maybe they haven't learned their lesson yet, after all....
  • THEN: Java: The OpenJDK in Mercurial will slowly start to see some external contributions. The whole point of Mercurial is to allow for deeper control over which changes you incorporate into your build tree, so once people figure out how to build the JDK and how to hack on it, the local modifications will start to seep across the Internet.... NOW: OpenJDK has started to collect contributions from external (to Sun) sources, but still in relatively small doses, it seems. None of the local modifications I envisioned creeping across the 'Net have begun, that I can see, so maybe it's still waiting to happen. Or maybe the OpenJDK is too complicated to really allow for that kind of customization, and it never will.
  • THEN: Java: SpringSource will soon be seen as a vendor like BEA or IBM or Sun. Perhaps with a bit better reputation to begin, but a vendor all the same. NOW: SpringSource's acquisition of G2One (the company behind Groovy just as SpringSource backs Spring) only reinforced this image, but it seems it's still something that some fail to realize or acknowledge due to Spring's open-source (?) nature. (I'm not a Spring expert by any means, but apparently Spring 3 was pulled back inside the SpringSource borders, leading some people to wonder what SpringSource is up to, and whether or not Spring will continue to be open source after all.)
  • THEN: .NET: Interest in OpenJDK will bootstrap similar interest in Rotor/SSCLI. After all, they're both VMs, with lots of interesting ideas and information about how the managed platforms work. NOW: Nope, hasn't really happened yet, that I can see. Not even the 2nd edition of the SSCLI book (by Joel Pobar and yours truly, yes that was a plug) seemed to foster the kind of attention or interest that I'd expected, or at least, not on the scale I'd thought might happen.
  • THEN: C++/Native: If you've not heard of LLVM before this, you will. It's a compiler and bytecode toolchain aimed at the native platforms, complete with JIT and GC. NOW: Apple sank a lot of investment into LLVM, including hosting an LLVM conference at the corporate headquarters.
  • THEN: Java: Somebody will create Yet Another Rails-Killer Web Framework. 'Nuff said. NOW: You know what? I honestly can't say whether this happened or not; I was completely not paying attention.
  • THEN: Native: Developers looking for a native programming language will discover D, and be happy. Considering D is from the same mind that was the core behind the Zortech C++ compiler suite, and that D has great native platform integration (building DLLs, calling into DLLs easily, and so on), not to mention automatic memory management (except for those areas where you want manual memory management), it's definitely worth looking into. www.digitalmars.com NOW: D had its own get-together as well, and appears to still be going strong, among the group of developers who still work on native apps (and aren't simply maintaining legacy C/C++ apps).

Now, for the 2009 predictions. The last set was a little verbose, so let me see if I can trim the list down a little and keep it short and sweet:

  • General: "Cloud" will become the next "ESB" or "SOA", in that it will be something that everybody will talk about, but few will understand and even fewer will do anything with. (Considering the widespread disparity in the definition of the term, this seems like a no-brainer.)
  • Java: Interest in Scala will continue to rise, as will the number of detractors who point out that Scala is too hard to learn.
  • .NET: Interest in F# will continue to rise, as will the number of detractors who point out that F# is too hard to learn. (Hey, the two really are cousins, and the fortunes of one will serve as a pretty good indication of the fortunes of the other, and both really seem to be on the same arc right now.)
  • General: Interest in all kinds of functional languages will continue to rise, and more than one person will take a hint from Bob "crazybob" Lee and liken functional programming to AOP, for good and for ill. People who took classes on Haskell in college will find themselves reaching for their old college textbooks again.
  • General: The iPhone is going to be hailed as "the enterprise development platform of the future", and companies will be rolling out apps to it. Look for Quicken iPhone edition, PowerPoint and/or Keynote iPhone edition, along with connectors to hook the iPhone up to a presentation device, and (I'll bet) a World of Warcraft iPhone client (legit or otherwise). iPhone is the new hotness in the mobile space, and people will flock to it madly.
  • .NET: Another Oslo CTP will come out, and it will bear only a superficial resemblance to the one that came out in October at PDC. Betting on Oslo right now is a fools' bet, not because of any inherent weakness in the technology, but just because it's way too early in the cycle to be thinking about for anything vaguely resembling production code.
  • .NET: The IronPython and IronRuby teams will find some serious versioning issues as they try to manage the DLR versioning story between themselves and the CLR as a whole. An initial hack will result, which will be codified into a standard practice when .NET 4.0 ships. Then the next release of IPy or IRb will have to try and slip around its restrictions in 2010/2011. By 2012, IPy and IRb will have to be shipping as part of Visual Studio just to put the releases back into lockstep with one another (and the rest of the .NET universe).
  • Java: The death of JSR-277 will spark an uprising among the two leading groups hoping to foist it off on the Java community--OSGi and Maven--while the rest of the Java world will breathe a huge sigh of relief and look to see what "modularity" means in Java 7. Some of the alpha geeks in Java will start using--if not building--JDK 7 builds just to get a heads-up on its impact, and be quietly surprised and, I dare say, perhaps even pleased.
  • Java: The invokedynamic JSR will leapfrog in importance to the top of the list.
  • Windows: Another Windows 7 CTP will come out, and it will spawn huge media interest that will eventually be remembered as Microsoft promises, that will eventually be remembered as Microsoft guarantees, that will eventually be remembered as Microsoft FUD and "promising much, delivering little". Microsoft ain't always at fault for the inflated expectations people have--sometimes, yes, perhaps even a lot of times, but not always.
  • Mac OS: Apple will begin to legally threaten the clone market again, except this time somebody's going to get the DOJ involved. (Yes, this is the iPhone/iTunes prediction from last year, carrying over. I still expect this to happen.)
  • Languages: Alpha-geek developers will start creating their own languages (even if they're obscure or bizarre ones like Shakespeare or Ook#) just to have that listed on their resume as the DSL/custom language buzz continues to build.
  • XML Services: Roy Fielding will officially disown most of the "REST"ful authors and software packages available. Nobody will care--or worse, somebody looking to make a name for themselves will proclaim that Roy "doesn't really understand REST". And they'll be right--Roy doesn't understand what they consider to be REST, and the fact that he created the term will be of no importance anymore. Being "REST"ful will equate to "I did it myself!", complete with expectations of a gold star and a lollipop.
  • Parrot: The Parrot guys will make at least one more minor point release. Nobody will notice or care, except for a few doggedly stubborn Perl hackers. They will find themselves having nightmares of previous lives carrying around OS/2 books and Amiga paraphernalia. Perl 6 will celebrate it's seventh... or is it eighth?... anniversary of being announced, and nobody will notice.
  • Agile: The debate around "Scrum Certification" will rise to a fever pitch as short-sighted money-tight companies start looking for reasons to cut costs and either buy into agile at a superficial level and watch it fail, or start looking to cut the agilists from their company in order to replace them with cheaper labor.
  • Flash: Adobe will continue to make Flex and AIR look more like C# and the CLR even as Microsoft tries to make Silverlight look more like Flash and AIR. Web designers will now get to experience the same fun that back-end web developers have enjoyed for near-on a decade, as shops begin to artificially partition themselves up as either "Flash" shops or "Silverlight" shops.
  • Personal: Gartner will still come knocking, looking to hire me for outrageous sums of money to do nothing but blog and wax prophetic.

Well, so much for brief or short. See you all again next year....


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Wednesday, December 31, 2008 11:54:29 PM (Pacific Standard Time, UTC-08:00)
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 Wednesday, December 10, 2008
The Myth of Discovery

It amazes me how insular and inward-facing the software industry is. And how the "agile" movement is reaping the benefits of a very simple characteristic.

For example, consider Jeff Palermo's essay on "The Myth of Self-Organizing Teams". Now, nothing against Jeff, or his post, per se, but it amazes me how our industry believes that they are somehow inventing new concepts, such as, in this case the "self-organizing team". Team dynamics have been a subject of study for decades, and anyone with a background in psychology, business, or sales has probably already been through much of the material on it. The best teams are those that find their own sense of identity, that grow from within, but still accept some leadership from the outside--the classic example here being the championship sports team. Most often, that sense of identity is born of a string of successes, which is why teams without a winning tradition have such a hard time creating the esprit de corps that so often defines the difference between success and failure.

(Editor's note: Here's a free lesson to all of you out there who want to help your team grow its own sense of identity: give them a chance to win a few successes, and they'll start coming together pretty quickly. It's not always that easy, but it works more often than not.)

How many software development managers--much less technical leads or project managers--have actually gone and looked through the management aisle at the local bookstore?

Tom and Mary Poppendieck have been spending years now talking about "lean" software development, which itself (at a casual glance) seems to be a refinement of the concepts Toyota and other Japanese manufacturers were pursuing close to two decades ago. "Total quality management" was a concept introduced in those days, the idea that anyone on the production line was empowered to stop the line if they found something that wasn't right. (My father was one of those "lean" manufacturing advocates back in the 80's, in fact, and has some great stories he can tell to its successes, and failures.)

How many software development managers or project leads give their developers the chance to say, "No, it's not right yet, we can't ship", and back them on it? Wouldn't you, as a developer, feel far more involved in the project if you knew you had that power--and that responsibility?

Or consider the "agile" notion of customer involvement, the classic XP "On-Site Customer" principle. Sales people have known for years, even decades (if not centuries), that if you involve the customer in the process, they are much more likely to feel an ownership stake sooner than if they just take what's on the lot or the shelf. Skilled salespeople have done the "let's walk through what you might buy, if you were buying, of course" trick countless numbers of times, and ended up with a sale where the customer didn't even intend to buy.

How many software development managers or project leads have read a book on basic salesmanship? And yet, isn't that notion of extracting what the customer wants endemic to both software development and basic sales (of anything)?

What is it about the software industry that just collectively refuses to accept that there might be lots of interesting research on topics that aren't technical yet still something that we can use? Why do we feel so compelled to trumpet our own "innovations" to ourselves, when in fact, they've been long-known in dozens of other contexts? When will we wake up and realize that we can learn a lot more if we cross-train in other areas... like, for example, getting your MBA?


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Wednesday, December 10, 2008 7:48:45 AM (Pacific Standard Time, UTC-08:00)
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 Thursday, November 06, 2008
REST != HTTP

Roy Fielding has weighed in on the recent "buzzwordiness" (hey, if Colbert can make up "truthiness", then I can make up "buzzwordiness") of calling everything a "REST API", a tactic that has become more en vogue of late as vendors discover that the general programming population is finding the WSDL-based XML services stack too complex to navigate successfully for all but the simplest of projects. Contrary to what many RESTafarians may be hoping, Roy doesn't gather all these wayward children to his breast and praise their anti-vendor/anti-corporate/anti-proprietary efforts, but instead, blasts them pretty seriously for mangling his term:

I am getting frustrated by the number of people calling any HTTP-based interface a REST API. Today’s example is the SocialSite REST API. That is RPC. It screams RPC. There is so much coupling on display that it should be given an X rating.

Ouch. "So much coupling on display that it should be given an X rating." I have to remember that phrase--that's a keeper. And I'm shocked that Roy even knows what an X rating is; he's such a mellow guy with such an innocent-looking face, I would've bet money he'd never run into one before. (Yes, people, that's a joke.)

What needs to be done to make the REST architectural style clear on the notion that hypertext is a constraint? In other words, if the engine of application state (and hence the API) is not being driven by hypertext, then it cannot be RESTful and cannot be a REST API. Period. Is there some broken manual somewhere that needs to be fixed?

Go Roy!

For those of you who've not read Roy's thesis, and are thinking that this is some kind of betrayal or trick, let's first of all point out that at no point is Roy saying that your nifty HTTP-based API is not useful or simple. He's simply saying that it isn't RESTful. That's a key differentiation. REST has a specific set of goals and constraints it was trying to meet, and as such prescribes a particular kind of architectural style to fit within those constraints. (Yes, REST is essentially an architectural pattern: a solution to a problem within a certain context that yields certain consequences.)

Assuming you haven't tuned me out completely already, allow me to elucidate. In Chapter 5 of Roy's thesis, Roy begins to build up the style that will ultimately be considered REST. I'm not going to quote each and every step here--that's what the hyperlink above is for--but simply call out certain parts. For example, in section 5.1.3, "Stateless", he suggests that this architectural style should be stateless in nature, and explains why; the emphasis/italics are mine:

We next add a constraint to the client-server interaction: communication must be stateless in nature, as in the client-stateless-server (CSS) style of Section 3.4.3 (Figure 5-3), such that each request from client to server must contain all of the information necessary to understand the request, and cannot take advantage of any stored context on the server. Session state is therefore kept entirely on the client.

This constraint induces the properties of visibility, reliability, and scalability. Visibility is improved because a monitoring system does not have to look beyond a single request datum in order to determine the full nature of the request. Reliability is improved because it eases the task of recovering from partial failures [133]. Scalability is improved because not having to store state between requests allows the server component to quickly free resources, and further simplifies implementation because the server doesn't have to manage resource usage across requests.

Like most architectural choices, the stateless constraint reflects a design trade-off. The disadvantage is that it may decrease network performance by increasing the repetitive data (per-interaction overhead) sent in a series of requests, since that data cannot be left on the server in a shared context. In addition, placing the application state on the client-side reduces the server's control over consistent application behavior, since the application becomes dependent on the correct implementation of semantics across multiple client versions.

In the HTTP case, the state is contained entirely in the document itself, the hypertext. This has a couple of implications for those of us building "distributed applications", such as the very real consideration that there's a lot of state we don't necessarily want to be sending back to the client, such as voluminous information (the user's e-commerce shopping cart contents) or sensitive information (the user's credentials or single-signon authentication/authorization token). This is a bitter pill to swallow for the application development world, because much of the applications we develop have some pretty hefty notions of server-based state management that we want or need to preserve, either for legacy support reasons, for legitimate concerns (network bandwidth or security), or just for ease-of-understanding. Fielding isn't apologetic about it, though--look at the third paragraph above. "[T]he stateless constraint reflects a design trade-off."

In other words, if you don't like it, fine, don't follow it, but understand that if you're not leaving all the application state on the client, you're not doing REST.

By the way, note that technically, HTTP is not tied to HTML, since the document sent back and forth could easily be a PDF document, too, particularly since PDF supports hyperlinks to other PDF documents. Nowhere in the thesis do we see the idea that it has to be HTML flying back and forth.

Roy's thesis continues on in the same vein; in section 5.1.4 he describes how "client-cache-stateless-server" provides some additional reliability and performance, but only if the data in the cache is consistent and not stale, which was fine for static documents, but not for dynamic content such as image maps. Extensions were necessary in order to accomodate the new ideas.

In section 5.1.5 ("Uniform Interface") we get to another stinging rebuke of REST as a generalized distributed application scheme; again, the emphasis is mine:

The central feature that distinguishes the REST architectural style from other network-based styles is its emphasis on a uniform interface between components (Figure 5-6). By applying the software engineering principle of generality to the component interface, the overall system architecture is simplified and the visibility of interactions is improved. Implementations are decoupled from the services they provide, which encourages independent evolvability. The trade-off, though, is that a uniform interface degrades efficiency, since information is transferred in a standardized form rather than one which is specific to an application's needs. The REST interface is designed to be efficient for large-grain hypermedia data transfer, optimizing for the common case of the Web, but resulting in an interface that is not optimal for other forms of architectural interaction.

In order to obtain a uniform interface, multiple architectural constraints are needed to guide the behavior of components. REST is defined by four interface constraints: identification of resources; manipulation of resources through representations; self-descriptive messages; and, hypermedia as the engine of application state. These constraints will be discussed in Section 5.2.

In other words, in order to be doing something that Fielding considers RESTful, you have to be using hypermedia (that is to say, hypertext documents of some form) as the core of your application state. It might seem like this implies that you have to be building a Web application in order to be considered building something RESTful, so therefore all Web apps are RESTful by nature, but pay close attention to the wording: hypermedia must be the core of your application state. The way most Web apps are built today, HTML is clearly not the core of the state, but merely a way to render it. This is the accidental consequence of treating Web applications and desktop client applications as just pale reflections of one another.

The next section, 5.1.6 ("Layered System") again builds on the notion of stateless-server architecture to provide additional flexibility and power:

In order to further improve behavior for Internet-scale requirements, we add layered system constraints (Figure 5-7). As described in Section 3.4.2, the layered system style allows an architecture to be composed of hierarchical layers by constraining component behavior such that each component cannot "see" beyond the immediate layer with which they are interacting. By restricting knowledge of the system to a single layer, we place a bound on the overall system complexity and promote substrate independence. Layers can be used to encapsulate legacy services and to protect new services from legacy clients, simplifying components by moving infrequently used functionality to a shared intermediary. Intermediaries can also be used to improve system scalability by enabling load balancing of services across multiple networks and processors.

The primary disadvantage of layered systems is that they add overhead and latency to the processing of data, reducing user-perceived performance [32]. For a network-based system that supports cache constraints, this can be offset by the benefits of shared caching at intermediaries. Placing shared caches at the boundaries of an organizational domain can result in significant performance benefits [136]. Such layers also allow security policies to be enforced on data crossing the organizational boundary, as is required by firewalls [79].

The combination of layered system and uniform interface constraints induces architectural properties similar to those of the uniform pipe-and-filter style (Section 3.2.2). Although REST interaction is two-way, the large-grain data flows of hypermedia interaction can each be processed like a data-flow network, with filter components selectively applied to the data stream in order to transform the content as it passes [26]. Within REST, intermediary components can actively transform the content of messages because the messages are self-descriptive and their semantics are visible to intermediaries.

The potential of layered systems (itself not something that people building RESTful approaches seem to think much about) is only realized if the entirety of the state being transferred is self-descriptive and visible to the intermediaries--in other words, intermediaries can only be helpful and/or non-performance-inhibitive if they have free reign to make decisions based on the state they see being transferred. If something isn't present in the state being transferred, usually because there is server-side state being maintained, then they have to be concerned about silently changing the semantics of what is happening in the interaction, and intermediaries--and layers as a whole--become a liability. (Which is probably why so few systems seem to do it.)

And if the notion of visible, transported state is not yet made clear in his dissertation, Fielding dissects the discussion even further in section 5.2.1, "Data Elements". It's too long to reprint here in its entirety, and frankly, reading the whole thing is necessary to see the point of hypermedia and its place in the whole system. (The same could be said of the entire chapter, in fact.) But it's pretty clear, once you read the dissertation, that hypermedia/hypertext is a core, critical piece to the whole REST construction. Clients are expected, in a RESTful system, to have no preconceived notions of structure or relationship between resources, and discover all of that through the state of the hypertext documents that are sent back to them. In the HTML case, that discovery occurs inside the human brain; in the SOA/services case, that discovery is much harder to define and describe. RDF and Semantic Web ideas may be of some help here, but JSON can't, and simple XML can't, unless the client has some preconceived notion of what the XML structure looks like, which violates Fielding's rules:

A REST API should be entered with no prior knowledge beyond the initial URI (bookmark) and set of standardized media types that are appropriate for the intended audience (i.e., expected to be understood by any client that might use the API). From that point on, all application state transitions must be driven by client selection of server-provided choices that are present in the received representations or implied by the user’s manipulation of those representations. The transitions may be determined (or limited by) the client’s knowledge of media types and resource communication mechanisms, both of which may be improved on-the-fly (e.g., code-on-demand). [Failure here implies that out-of-band information is driving interaction instead of hypertext.]

An interesting "fuzzy gray area" here is whether or not the client's knowledge of a variant or schematic structure of XML could be considered to be a "standardized media type", but I'm willing to bet that Fielding will argue against it on the grounds that your application's XML schema is not "standardized" (unless, of course, it is, through a national/international/industry standardization effort).

But in case you'd missed it, let me summarize the past twenty or so paragraphs: hypermedia is a core requirement to being RESTful. If you ain't slinging all of your application state back and forth in hypertext, you ain't REST. Period. Fielding said it, he defined it, and that settles it.

 

Before the hate mail comes a-flyin', let me reiterate one vitally important point: if you're not doing REST, it doesn't mean that your API sucks. Fielding may have his definition of what REST is, and the idealist in me wants to remain true to his definitions of it (after all, if we can't agree on a common set of definitions, a common lexicon, then we can't really make much progress as an industry), but...

... the pragmatist in me keeps saying, "so what"?

Look, at the end of the day, if your system wants to misuse HTTP, abuse HTML, and carnally violate the principles of loose coupling and resource representation that underlie REST, who cares? Do you get special bonus points from the Apache Foundation if you use HTTP in the way Fielding intended? Will Microsoft and Oracle and Sun and IBM offer you discounts on your next software purchases if you create a REST-faithful system? Will the partisan politics in Washington, or the tribal conflicts in the Middle East, or even the widely-misnamed "REST-vs-SOAP" debates come to an end if you only figure out a way to make hypermedia the core engine of your application state?

Yeah, I didn't think so, either.

Point is, REST is just an architectural style. It is nothing more than another entry alongside such things as client-server, n-tier, distributed objects, service-oriented, and embedded systems. REST is just a tool for thinking about how to build an application, and it's high time we kick it off the pedastal on which we've placed it and let it come back down to earth with the rest of us mortals. HTTP is useful, but not sufficient, so solve our problems. REST is as well.

And at the end of the day, when we put one tool from our tool belt "above all others", we end up building some truly horrendous crap.


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Thursday, November 06, 2008 9:34:23 PM (Pacific Standard Time, UTC-08:00)
Comments [3]  | 
 Monday, September 15, 2008
Apparently I'm #25 on the Top 100 Blogs for Development Managers

The full list is here. It's a pretty prestigious group--and I'm totally floored that I'm there next to some pretty big names.

In homage to Ms. Sally Fields, of so many years ago... "You like me, you really like me". Having somebody come up to me at a conference and tell me how much they like my blog is second on my list of "fun things to happen to me at a conference", right behind having somebody come up to me at a conference and tell me how much they like my blog, except for that one entry, where I said something totally ridiculous (and here's why) ....

What I find most fascinating about the list was the means by which it was constructed--the various calculations behind page rank, technorati rating, and so on. Very cool stuff.

Perhaps it's trite to say it, but it's still true: readers are what make writing blogs worthwhile. Thanks to all of you.


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Monday, September 15, 2008 4:29:19 AM (Pacific Daylight Time, UTC-07:00)
Comments [4]  | 
 Tuesday, August 19, 2008
An Announcement

For those of you who were at the Cinncinnati NFJS show, please continue on to the next blog entry in your reader--you've already heard this. For those of you who weren't, then allow me to make the announcement:

Hi. My name's Ted Neward, and I am now a ThoughtWorker.

After four months of discussions, interviews, more discussions and more interviews, I can finally say that ThoughtWorks and I have come to a meeting of the minds, and starting 3 September I will be a Principal Consultant at ThoughtWorks. My role there will be to consult, write, mentor, architect and speak on Java, .NET, XML Services (and maybe even a little Ruby), not to mention help ThoughtWorks' clients achieve IT success in other general ways.

Yep, I'm basically doing the same thing I've been doing for the last five years. Except now I'm doing it with a TW logo attached to my name.

By the way, ThoughtWorkers get to choose their own titles, and I'm curious to know what readers think my title should be. Send me your suggestions, and if one really strikes home, I'll use it and update this entry to reflect the choice. I have a few ideas, but I'm finding that other people can be vastly more creative than I, and I'd love to have a title that rivals Neal's "Meme Wrangler" in coolness.

Oh, and for those of you who were thinking this, "Seat Warmer" has already been taken, from what I understand.

Honestly, this is a connection that's been hovering at the forefront of my mind for several years. I like ThoughtWorks' focus on success, their willingness to explore new ideas (both methodologies and technologies), their commitment to the community, their corporate values, and their overall attitude of "work hard, play hard". There have definitely been people who came away from ThoughtWorks with a negative impression of the company, but they're the minority. Any company that encourages T-shirts and jeans, XBoxes in the office, and wants to promote good corporate values is a winner in my book. In short, ThoughtWorks is, in many ways, the consulting company that I would want to build, if I were going to build a consulting firm. I'm not a wild fan of the travel commitments, mind you, but I am definitely no stranger to travel, we've got some ideas about how I can stay at home a bit more, and frankly I've been champing at the bit to get injected into more agile and team projects, so it feels like a good tradeoff. Plus, I get to think about languages and platforms in a more competitive and hostile way--not that TW is a competitive and hostile place, mind you, but in that my new fellow ThoughtWorkers will not let stupid thoughts stand for long, and will quickly find the holes in my arguments even faster, thus making the arguments as a whole that much stronger... or shooting them down because they really are stupid. (Either outcome works pretty well for me.)

What does this mean to the rest of you? Not much change, really--I'm still logging lots of hours at conferences, I'm still writing (and blogging, when the muse strikes), and I'm still available for consulting/mentoring/speaking; the big difference is that now I come with a thousand-strong developers of proven capability at my back, not to mention two of the more profound and articulate speakers in the industry (in Neal and Martin) as peers. So if you've got some .NET, Java, or Ruby projects you're thinking about, and you want a team to come in and make it happen, you know how to reach me.


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Tuesday, August 19, 2008 11:24:39 AM (Pacific Daylight Time, UTC-07:00)
Comments [9]  | 
 Friday, May 16, 2008
Blogs I'm currently reading

Recently, a former student asked me,

I was in a .NET web services training class that you gave probably 4 or so years ago on-site at a [company name] office in [city], north of Atlanta.  At that time I asked you for a list of the technical blogs that you read, and I am curious which blogs you are reading now.  I am now with a small company where I have to be a jack of all trades, in the last year I have worked in C++ and Perl backend type projects and web frontend projects with Java, C#, and RoR, so I find your perspective interesting since you also work with various technologies and aren't a zealot for a specific one.

Any way, please either respond by email or in your blog, because I think that others may be interested in the list also.

As one might expect, my blog list is a bit eclectic, but I suppose that's part of the charm of somebody looking to study Java, .NET, C++, Smalltalk, Ruby, Parrot, LLVM, and other languages and environments. So, without further ado, I've pasted in the contents of my OPML file for cut&paste and easy import.

Having said that, though, I would strongly suggest not just blindly importing the whole set of feeds into your nearest RSS reader, but take a moment and go visit each one before you add it. It takes longer, granted, but the time spent is a worthy investment--you don't want to have to declare "blog bankruptcy".

Editor's note: We pause here as readers look at each other and go... "WTF?!?"

"Blog bankruptcy" is a condition similar to "email bankruptcy", when otherwise perfectly high-functioning people give up on trying to catch up to the flood of messages in their email client's Inbox and delete the whole mess (usually with some kind of public apology explaining why and asking those who've emailed them in the past to resend something if it was really important), effectively trying to "start over" with their email in much the same way that Chapter Seven or Chapter Eleven allows companies to "start over" with their creditors, or declaring bankruptcy allows private citizens to do the same with theirs. "Blog bankruptcy" is a similar kind of condition: your RSS reader becomes so full of stuff that you can't keep up, and you can't even remember which blogs were the interesting ones, so you nuke the whole thing and get away from the blog-reading thing for a while.

This happened to me, in fact: a few years ago, when I became the editor-in-chief of TheServerSide.NET, I asked a few folks for their OPML lists, so that I could quickly and easily build a list of blogs that would "tune me in" to the software industry around me, and many of them quite agreeably complied. I took my RSS reader (Newsgator, at the time) and dutifully imported all of them, and ended up with a collection of blogs that was easily into the hundreds of feeds long. And, over time, I found myself reading fewer and fewer blogs, mostly because the whole set was so... intimidating. I mean, I would pick at the list of blogs and their entries in the same way that I picked at vegetables on my plate as a child--half-heartedly, with no real enthusiasm, as if this was something my parents were forcing me to do. That just ruined the experience of blog-reading for me, and eventually (after I left TSS.NET for other pastures), I nuked the whole thing--even going so far as to uninstall my copy of Newsgator--and gave up.

Naturally, I missed it, and slowly over time began to rebuild the list, this time, taking each feed one at a time, carefully weighing what value the feed was to me and selecting only those that I thought had a high signal-to-noise ratio. (This is partly why I don't include much "personal" info in this blog--I found myself routinely stripping away those blogs that had more personal content and less technical content, and I figured if I didn't want to read it, others probably felt the same way.) Over the last year or two, I've rebuilt the list to the point where I probably need to prune a bit and close a few of them back down, but for now, I'm happy with the list I've got.

And speaking of which....

   1: <?xml version="1.0"?>
   2: <opml version="1.0">
   3:  <head>
   4:   <title>OPML exported from Outlook</title>
   5:   <dateCreated>Thu, 15 May 2008 20:55:19 -0700</dateCreated>
   6:   <dateModified>Thu, 15 May 2008 20:55:19 -0700</dateModified>
   7:  </head>
   8:  <body>
   9:   <outline text="If broken it is, fix it you should" type="rss"
  10:   xmlUrl="http://blogs.msdn.com/tess/rss.xml"/>
  11:   <outline text="Artima Developer Buzz" type="rss"
  12:   xmlUrl="http://www.artima.com/news/feeds/news.rss"/>
  13:   <outline text="Artima Weblogs" type="rss"
  14:   xmlUrl="http://www.artima.com/weblogs/feeds/weblogs.rss"/>
  15:   <outline text="Artima Chapters Library" type="rss"
  16:   xmlUrl="http://www.artima.com/chapters/feeds/chapters.rss"/>
  17:   <outline text="Neal Gafter's blog" type="rss"
  18:   xmlUrl="http://gafter.blogspot.com/feeds/posts/default"/>
  19:   <outline text="Room 101" type="rss"
  20:   xmlUrl="http://gbracha.blogspot.com/feeds/posts/default"/>
  21:   <outline text="Kelly O'Hair's Blog" type="rss"
  22:   xmlUrl="http://weblogs.java.net/blog/kellyohair/index.rdf"/>
  23:   <outline text="John Rose @ Sun" type="rss"
  24:   xmlUrl="http://blogs.sun.com/jrose/feed/entries/atom"/>
  25:   <outline text="The Daily WTF" type="rss"
  26:   xmlUrl="http://syndication.thedailywtf.com/TheDailyWtf"/>
  27:   <outline text="Brad Wilson" type="rss"
  28:   xmlUrl="http://feeds.feedburner.com/BradWilson"/>
  29:   <outline text="Mike Stall's .NET Debugging Blog" type="rss"
  30:   xmlUrl="http://blogs.msdn.com/jmstall/rss.xml"/>
  31:   <outline text="Stevey's Blog Rants" type="rss"
  32:   xmlUrl="http://steve-yegge.blogspot.com/atom.xml"/>
  33:   <outline text="Brendan's Roadmap Updates" type="rss"
  34:   xmlUrl="http://weblogs.mozillazine.org/roadmap/index.rdf"/>
  35:   <outline text="pl patterns" type="rss"
  36:   xmlUrl="http://plpatterns.blogspot.com/feeds/posts/default"/>
  37:   <outline text="Joel Pobar's weblog" type="rss"
  38:   xmlUrl="http://feeds.feedburner.com/callvirt"/>
  39:   <outline text="Let&amp;#39;s Kill Dave!" type="rss"
  40:   xmlUrl="http://letskilldave.com/rss.aspx"/>
  41:   <outline text="Why does everything suck?" type="rss"
  42:   xmlUrl="http://whydoeseverythingsuck.com/feeds/posts/default"/>
  43:   <outline text="cdiggins.com" type="rss" xmlUrl="http://cdiggins.com/feed"/>
  44:   <outline text="LukeH's WebLog" type="rss"
  45:   xmlUrl="http://blogs.msdn.com/lukeh/rss.xml"/>
  46:   <outline text="Jomo Fisher -- Sharp Things" type="rss"
  47:   xmlUrl="http://blogs.msdn.com/jomo_fisher/rss.xml"/>
  48:   <outline text="Chance Coble" type="rss"
  49:   xmlUrl="http://leibnizdream.wordpress.com/feed/"/>
  50:   <outline text="Don Syme's WebLog on F# and Other Research Projects" type="rss"
  51:   xmlUrl="http://blogs.msdn.com/dsyme/rss.xml"/>
  52:   <outline text="David Broman's CLR Profiling API Blog" type="rss"
  53:   xmlUrl="http://blogs.msdn.com/davbr/rss.xml"/>
  54:   <outline text="JScript Blog" type="rss"
  55:   xmlUrl="http://blogs.msdn.com/jscript/rss.xml"/>
  56:   <outline text="Yet Another Language Geek" type="rss"
  57:   xmlUrl="http://blogs.msdn.com/wesdyer/rss.xml"/>
  58:   <outline text=".NET Languages Weblog" type="rss"
  59:   xmlUrl="http://www.dotnetlanguages.net/DNL/Rss.aspx"/>
  60:   <outline text="DevHawk" type="rss"
  61:   xmlUrl="http://feeds.feedburner.com/Devhawk"/>
  62:   <outline text="The Cobra Programming Language" type="rss"
  63:   xmlUrl="http://cobralang.blogspot.com/feeds/posts/default"/>
  64:   <outline text="Code Miscellany" type="rss"
  65:   xmlUrl="http://codemiscellany.blogspot.com/feeds/posts/default"/>
  66:   <outline text="Fred, Let it go!" type="rss"
  67:   xmlUrl="http://freddy33.blogspot.com/feeds/posts/default"/>
  68:   <outline text="Codedependent" type="rss"
  69:   xmlUrl="http://graphics-geek.blogspot.com/feeds/posts/default"/>
  70:   <outline text="Presentation Zen" type="rss"
  71:   xmlUrl="http://www.presentationzen.com/presentationzen/index.rdf"/>
  72:   <outline text="The Extreme Presentation(tm) Method" type="rss"
  73:   xmlUrl="http://extremepresentation.typepad.com/blog/index.rdf"/>
  74:   <outline text="ZapThink" type="rss"
  75:   xmlUrl="http://feeds.feedburner.com/zapthink"/>
  76:   <outline text="Chris Smith's completely unique view" type="rss"
  77:   xmlUrl="http://feeds.feedburner.com/ChrisSmithsCompletelyUniqueView"/>
  78:   <outline text="Code Commit" type="rss"
  79:   xmlUrl="http://feeds.codecommit.com/codecommit"/>
  80:   <outline
  81:   text="Comments on Ola Bini: Programming Language Synchronicity: A New Hope: Polyglotism"
  82:   type="rss"
  83:   xmlUrl="http://ola-bini.blogspot.com/feeds/5778383724683099288/comments/default"/>
  84:  </body>
  85: </opml>

Happy reading.....


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Friday, May 16, 2008 12:08:07 AM (Pacific Daylight Time, UTC-07:00)
Comments [0]  | 
 Saturday, May 10, 2008
I'm Pro-Choice... Pro Programmer Choice, that is

Not too long ago, Don wrote:

The three most “personal” choices a developer makes are language, tool, and OS.

No.

That may be true for somebody who works for a large commercial or open source vendor, whose team is building something that fits into one of those three categories and wants to see that language/tool/OS succeed.

That is not where most of us live. If you do, certainly, you are welcome to your opinion, but please accept with good grace that your agenda is not the same as my own.

Most of us in the practitioner space are using languages, tools and OSes to solve customer problems, and making the decision to use a particular language, tool or OS a personal one generally gets us into trouble--how many developers do you know that identify themselves so closely with that decision that they include it in their personal metadata?

"Hi, I'm Joe, and I'm a Java programmer."

Or, "Oh, good God, you're running Windows? What are you, some kind of Micro$oft lover or something?"

Or, "Linux? You really are a geek, aren't you? Recompiled your kernel lately (snicker, snicker)?"

Sorry, but all of those make me want to hurl. Of these kinds of statements are technical zealotry and flame wars built. When programmers embed their choice so deeply into their psyche that it becomes the tagline by which they identify themselves, it becomes an "ego" thing instead of a "tool" thing.

What's more, it involves customers and people outside the field in an argument that has nothing to do with them. Think about it for a second; the last time you hired a contractor to add a deck to your house, what's your reaction when they introduce themselves as,

"Hi, I'm Kim, and I'm a Craftsman contractor."

Or, overheard at the job site, "Oh, good God, you're using a Skil? What are you, some kind of nut or something?"

Or, as you look at the tools on their belt, "Nokita? You really are a geek, aren't you? Rebuilt your tools from scratch lately (snicker, snicker)?"

Do you, the customer, really care what kind of tools they use? Or do you care more for the quality of solution they build for you?

It's hard to imagine how the discussion can even come up, it's so ludicrous.

Try this one on, instead:

"Hi, I'm Ted, and I'm a programmer."

I use a variety of languages, tools, and OSes, and my choice of which to use are all geared around a single end goal: not to promote my own social or political agenda, but to make my customer happy.

Sometimes that means using C# on Windows. Sometimes that means using Java on Linux. Sometimes that means Ruby on Mac OS X. Sometimes that means creating a DSL. Sometimes that means using EJB, or Spring, or F#, or Scala, or FXCop, or FindBugs, or log4j, or ... ad infinitum.

Don't get me wrong, I have my opinions, just as contractors (and truck drivers, it turns out) do. And, like most professionals in their field, I'm happy to share those opinions with others in my field, and also with my customers when they ask: I think C# provides a good answer in certain contexts, and that Java provides an equally good answer, but in different contexts. I will be happy to explain my recommendation on which languages, tools and OSes to use, because unlike the contractor, the languages, tools, and OSes I use will be visible to the customer when the software goes into Production, at a variety of levels, and thus, the customer should be involved in that decision. (Sometimes the situation is really one where the customer won't see it, in which case the developer can have full confidence in whatever language/tool/OS they choose... but that's far more often the exception than the rule, and will generally only be true in cases where the developer is providing a complete customer "hands-off" hosting solution.)

I choose to be pro-choice.


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Saturday, May 10, 2008 9:20:46 PM (Pacific Daylight Time, UTC-07:00)
Comments [6]  | 
 Wednesday, April 02, 2008
Is Microsoft serious?

Recently I received a press announcement from Waggener-Edstrom, Microsoft's PR company, about their latest move in the interoperability space; I reproduce it here in its entirety for your perusal:

Hi Ted,

Microsoft is announcing another action to promote greater interoperability, opportunity and choice across the IT industry of developers, partners, customers and competitors. 

Today Microsoft is posting additional documentation of the XAML (eXtensible Application Markup Language) formats for advanced user experiences, enabling third parties to access and implement the XAML formats in their own client, server and tool products.  This documentation is publicly available, for no charge, at http://go.microsoft.com/fwlink/?LinkId=113699

It will assist developers building non-Microsoft clients and servers to read and write XAML to process advanced user experiences – with lots of animation, rich 2D and 3D graphic and video. Specifically, non-Microsoft servers can more easily generate XAML files to be handled, for example, by applications running on Windows client machines.  In addition, non-Microsoft clients can be written more easily to interpret XAML files. This action will assist ISVs in creating design tools and file format converters to read and write XAML to create advanced user experiences.

Microsoft is making this documentation available under the Microsoft Open Specification Promise (OSP), which will allow developers of all types anywhere in the world to access and implement the XAML formats in their own client, server or tool products without having to take a license or pay a fee to Microsoft.

The following quote is attributable to Tom Robertson, general manager, Interoperability and Standards, Microsoft.

“Microsoft’s posting of the expanded set of XAML format documentation to assist third parties to access and implement the XAML formats in their own client, server and tool products will help promote interoperability, opportunity and choice across the IT community.  Use of the Open Specification Promise assures developers that they can use any Microsoft patents needed to implement all or part of the XAML formats for free, anywhere in the world, now and in the future.” 

Please let me know if you have any questions or if I can provide you with any additional information. 

Best,

N--

This marks the most recent in a slew of efforts by the Borg of the Pacific Northwest to "promote greater interoperability, opportunity and choice", and I know it's left a lot of people feeling decidedly skeptical and... well, let's just call it what it is, paranoid, about the company's plans and ulterior motive behind all these efforts. After all, this is the company that tried to co-opt Java, put Stacker out of business, used their monopoly operating system power to crush Novell, used their monopoly office suite power to crush the Mac, bribe an entire country to vote their way on the new office-file specifications, and I don't know what all else.

I know, I know, all my blog-readers who work at Microsoft are going nuts right now, protesting, claiming that this isn't the same company that they work for now, and so on. Fact is, folks, if you work at Microsoft, you work for a company whose name is not well-received in many quarters, and while some of it is undeserved... some of it is. Microsoft has done some pretty stupid things in its history, and if that reputation doesn't sit well with you now, I can't help but wonder if somewhere in that great Corporate Heaven, Stac Electronics isn't just jumping up and down, foaming at the mouth and screaming, "Ha! Serves you right!"

I don't want to use this blog as a chance for everybody who ever got burned by Microsoft (or thought they got burned by Microsoft, which is much more widespread and just as much more likely to be in their own minds) to trot out "reap and sow" cliches. Instead, I want to revisit one of my favorite topics, that of interoperability, and see exactly what this new shift in Microsoft's attitude towards interoperability really means.

Let's take these one at a time. Note that I have no "Deep Throat" at Microsoft feeding me "the Redmondagon Papers"; this is all based on my own conjecture and perspective.

What does releasing the XAML spec really mean?

Honestly, it means that now non-Microsoft platforms can try to create competitors to Aero and Windows Presentation Foundation, and have the same kind of rich client experiences that Windows users can enjoy.

Honestly, I expect this to go pretty much nowhere.

Realistically speaking, if a non-Microsoft app server wanted to generate XAML, it was a simple matter of generating the appropriate XML, tagging it with an appropriate MIME type in the HTTP header, and serving it up over an HTTP request; I've been giving this demo at conferences for three or four years now, pretty much since the first betas of WPF were stable enough to use. This really isn't rocket science.

But more importantly, XAMl has always been misunderstood: it's not a presentation format, it's an object graph format. XAML simply "wires up" a collection of objects into a tree, and it's the underlying object model that provides the functionality or power or presentation or whatever. It's an easier way of writing "Button b = new Button(...);", nothing more, nothing less. Sure, it would be nice to have some kind of equivalent for the Swing space, but doing so would tie the corresponding XML (XSML?) to the Swing APIs, just as WPF XAML is tied to the WPF API.

Does releasing the XAML specs mean that now Linux and Mac OS will get WPF features?

They've had them for years, in the guise of the OpenGL APIs, and nobody knew what to do with them, except maybe for a sliver of folks building games and interesting "effects". Unless somebody really feels the desire to try and create an adapter layer to map the WPF Button over to an OpenGL button, I really don't see much point.

This is one of the most dangerous points in the discussion: attempting to build an adapter to another platform's API is almost always a failed experiment from the day it's begun, and Microsoft's own attempt to port the MFC APIs over to the Mac OS (back in the pre-OS X days, circa 1995) were just a miserable, abject failure. Not because of any lack of intelligence on Microsoft's part, mind you, but because the two operating systems are just too different. Want to see what I mean? Bring a Mac guy and a Windows guy into the same room, and ask them each where God intended the menu bar to live.

Then creep, quietly, out of the room, before you get caught in the blood frenzy.

Why does Microsoft suddenly care about interoperability?

This is the crown jewel of the lot: why should this company, so famous for going it alone on so many issues, suddenly decide that it's important for them to embrace the other kids on the playground and make nice? Is this back to the "embrace" part of the "embrace and extend and extinguish" cycle that they're so famous for?

Partly.

To understand the point I am about to make, let's set some context.

(In other words, gather 'round, children, it's story time.)

Truth is, there was a time back there in the '90s when I think Microsoft really thought they could take over the world. COM was on the ascendancy, and it was a better platform for building software than anything else out there (at the time), particularly in the area of building rich media applications (remember when embedding a sound clip into your email message embedded inside your spreadsheet was all the rage?). The CORBA initiative was going strong, true, but its great claim to fame was to allow two remote processes to talk to one another--the rest of the CORBA "push" was in standards that either never materialized, or else materialized but turned out to be really hard to build, or use, or deploy, or all of the above. IBM's great competitor--SOM--wasn't even in beta on anything other than OS/2 (another great IBM product). Then, when DCOM shipped, it was seen by some as the final nail in the CORBA coffin; Microsoft clearly was going to "win".

Along came Java.

Java literally took the rug out from underneath the COM platform, almost overnight. It provided a platform with most of the same benefits as the COM/DCOM platform, but without having to memorize the QueryInterface rules or knowing what IUnknown was or how IDispatch was required to work or how static_cast<> and dynamic_cast<> and QueryInterface were all related. ("Would you, should you, static_cast? Not if you want your code to last..." Ah, those were heady days.) Suddenly, "mere mortals" could program on this platform, and feel a strong sense of confidence that their code would work, over time, regardless of whether they remembered to set references to null when they were done with them.

At first, Microsoft was "down with it", because in Java they saw a great marriage: the Java language as the "sweet spot" between C++'s expressive power and VB's layers of abstraction, running on top of the JVM as a "sweet spot" intermingled with the COM platform to provide the easiest, most powerful Windows programming environment yet. Visual J++ was clearly the favored child of the litter.

And then the lawyers got involved, and Sun saw their chance to steal a march on Microsoft, and maybe break the feared operating system monopolist, and maybe even get a few more percentage points for Solaris (because, after all, "Write Once, Run Anywhere" meant that you wouldn't have to run sucky operating systems like Windows and instead could trade up to real operating systems like Solaris, right? Hey, where'd that penguin come from, anyway, and why is he eating all our fish?). Sun refused to let Microsoft's marriage of the JVM (technically the MSVM) and COM take place, and Microsoft, rather than seek to fight it out, instead decided to cede the battle, and look for a battleground of their own choosing, instead. Thus was the thing that would become called ".NET" born.

But this "master plan" would take four or so years to develop, and in the meantime...

... in the meantime, EJB and Servlets and later J2EE and "app servers" and Spring and all those wonderful things that came with them, they were eating Microsoft's lunch. Comparing J2EE (even with EJB in the mix!) with the complexities of writing unmanaged COM code on top of COM+ is simply no comparison--again, the power of the managed platform simply proved to be too hard to turn away without compelling reason, and the COM/DCOM/COM+ story simply didn't have that compelling reason. Microsoft watched their "inevitable victory" sail into the sunset without them, just as the Department of Justice came up to them and shackled them with the first of many, many papers about "anti-competitive practices".

In many respects, the positions got reversed--Sun inherited a huge share (an unhealthy dose, in fact) of Microsoft's arrogance, and for a long time there, thought they were suddenly destiny's child, that Java (meaning Sun, of course) would be the one to "win", and thus would Sun's assurance of world dominance thus be assured.

Except it didn't play out that way.

Sun found that by embracing standards over implementations, they spent long hours thrashing out specifications, only to provide instant credibility to other vendors' products while their own languished. Weblogic stole the EJB early adopter window. A number of small vendors provided servlet implementations before Tomcat was born... which, although written by Sun employees, was an open-source project and yielded no financial benefit. JMS... well, JMS was always the redheaded stepchild of the J2EE family, at least until vendors like Sonic and Fiorano rescued it for the common Java programmer. (Those who'd been using IBM MQSeries all the while never really could see why you'd want to program against JMS APIs instead of IBM's own.) In each and every case, Sun found their product to be the third or fourth entry into the race, usually years after the others had started, and as a result....

Meanwhile, back in Redmond....

Microsoft comes to the game with .NET in 2003. (The early betas don't count because many people openly wonder if Microsoft is really serious about this ".NET" thing in the first place. After all, remember Microsoft Bob?) And despite .NET's obvious advantage of being formulated nearly a decade after Java's initial release, thus able to apply hindsight to fix or improve the obvious blemishes in the Java environment, Microsoft finds that they're playing catch-up in the all-too-important enterprise space. Microsoft's tools and products have always been seen as "second-class citizens" to the "big boys" in the enterprise space, particularly at the ends of the "high scale" continuum, and the lack of an obvious "app server" in the .NET arena only serves to underscore and reinforce that opinion among many large firms.

More importantly, Microsoft doesn't ever want to get blindsided by the Java experience again. They want to make sure that they are never in a position where it looks like their tools are vastly out-of-date, underfeatured, underpowered, and underused. They need to remain somewhere near the bleeding edge, but not so close that their customers are the ones doing the bleeding.

(We pause for the inevitable Vista joke.)

To Microsoft, Java is that near-death experience that pulls many adrenaline (and other) junkies back from the brink they so callously teetered on before. They need some kind of forward progress, some kind of advancement in the game, so that their customers and their would-be customers feel like Microsoft is on top of it at all times.

Result: Somewhere in the 2000-2003 timeframe, Microsoft looks around, sees the landscape, and realizes it needs to make itself relevant to a largely J2EE-based universe, and fast.

At first, Microsoft sees a play through the establishment of some standards between the big vendors, around this new "XML" thing, a largely portable data format, and so they throw themselves heart and soul into that space. Doing so will allow them to show existing J2EE-based shops that the power of the .NET platform lies in complementing the existing infrastructure, not replacing it. (Microsoft is smart enough to realize that preaching the software equivalent of hellfire-and-brimstone, known as "rip-and-replace", will not cater well to this congregation.)

(Rubyists could have learned a valuable lesson here, but either weren't paying attention, didn't realize the value of the lesson, or else just chose not to.)

But this play doesn't turn out the way they expect: the WS-* standards become top-heavy, and start to resemble the very thing Microsoft sought to smash fifteen years earlier: CORBA. The number of WS- specifications available through the W3C (and OASIS, and WS-I and whatever other industry consortiums are formed) is exceeded only by the number of Cos- specifications available from the OMG. The complexities therein leave many Java--and .NET--programmers confused, bewildered, and hopelessly lost when trying to get all but the most simple services to work. Thus does the community turn to alternatives--JSON, simple sockets, REST, whatever--to try and find something that works, even if it only addresses a subset of the problems they will eventually face.

Meanwhile...

Open source grows ever more important, and Microsoft-the-company realizes they have to either kill it or join it. It's hard to kill something that has no body (unlike their previous competitors), so joining it is the only viable option. Unlike many other software product companies, however, Microsoft has too large an established software base to just "flip the switch", and has far too deeply entrenched a corporate community to take any kind of radical action without a well-thought plan. (Wall Street, a place few programmers ever bother to consider, much less visit, would not take kindly to Microsoft essentially giving away their core product without something in its place to generate revenue, and regardless of how many programmers would like to imagine a world with a bankrupt Microsoft, this would be bad for business for everybody.)

And thus do we come to the present.

Microsoft needs a play that is Wall Street friendly, programmer friendly, and corporate friendly. They are slowly flirting more and more deeply with open source, yet still firmly committed to turning a profit (something a few of these other open-source-based companies should probably learn to do at some point--just maneuvering to the point of being bought out by a larger fish, like Oracle, is not really a long-term competitive strategy, just so you know).

Microsoft wants--arguably, needs--to keep Office relevant in a world where software isn't always paid for, so they need a play that keeps Office ubiquitous and out in the forefront of developer mindshare. If they can't get you to buy Office, then at least let's get you to use tools that keep the Office file formats ubiquitous. If (and this is a big "if") the Office formats turn out to be technically superior to their competition, then Microsoft succeeds. If not, they find a new play.

In the short, Microsoft needs an interoperability story, and they need a real interoperability play, because their reputation is damaged from the many "embrace, extend, extinguish" plays they've made in the past. The era of a large vendor "winning" is clearly well behind us (if it was ever, in fact, more than just a marketing VP's wet dream), and if Microsoft is going to make sure that they're never in a vulnerable come-from-behind position again, they need to make sure that they can work well with all the other new technologies out there, whether up-and-coming or well-established or even fading-fast. They need to have an interoperability story that developers can believe in, which means some kind of open-source-friendly play, and one that carries serious "street cred" for actually working.

What's the lesson that I, a developer, take away from this?

If you are a Java developer, get past your old prejudices and accept that .NET is a viable platform. The Java developer who refuses to learn how to write C# code on the grounds that "Micro$oft is a company that just puts out crap" or that "M$FT sux" is going to be a Java developer whose value to the business is reduced compared to those with less virulent politics. Thanks to tools like VMWare and Virtual PC, you don't have to give up your Mac or your Linux environment to write .NET code and prove that you can offer value to those projects that need to talk to .NET. Look into more than just the WS-* or REST stacks for communication, as well; explore some of the interoperability options I've been ranting about for four years, a la IKVM, Jace, Hessian, even CORBA.

If you are a Ruby developer, get over yourself and your "we're more agile and more powerful" meme. Ruby is a tool, nothing more, and one whose shine is fast coming off. IT organizations are discovering the myriad problems with the original Ruby runtime, and are unwilling to risk enterprise apps on a runtime that has zero monitoring and zero manageability play. Yes, you can certainly do lots of things yourself to make your Ruby apps more manageable and more monitorable--but that's all time you have to spend building it, or figuring out how to hook it into the existing IT infrastructure, and when all that time gets added up, it's not going to look all that different from a Java or .NET app's timecycle arc. If you don't have an answer to the question, "How will we make this work with the existing infrastructure we've got?", then you have a problem, and no amount of chanting "Obi-Dave Thomas-Kenobi, you and dynamic typing are my only hope" will save you.

If you are a .NET developer, it's high time you accepted that the Java folks are about five years ahead of you on this "managed code" arc, and that they suffered through a lot of hard lessons before arriving at the decisions they came to. Don't be stupid, learn from their mistakes. Why do Java programmers chant "dependency injection" with holy fervor? Why do Java programmers put so much stress on unit testing? What has Microsoft not given you with the latest release of Visual Studio that Java developers think you're an idiot for not demanding in the next release? Yes, C# has some interesting new features in it that Java-the-language doesn't have... but why are the Java guys getting all misty-eyed over Groovy? What do they know that you don't?

If you are a developer outside of these areas, you're swimming in dangerous waters, because while I'm sure you're not having any problems finding a job, chances are your next job is going to require you to talk to one of those three environments. Better have your integration/interoperability story worked out, whether its Phalanger for the PHP developer who needs to talk to .NET (and damn if PHP script driving a WinForms app isn't an interesting idea in of itself... and a useful way to bridge yourself into an entirely new area of employment), or its figuring out how to apply your mad Haskell skillz to F# or Scala, you need to have a good idea of what those languages are (and aren't) and how your knowledge of functional concepts can catapult you to the head of the class the next time a massively-scalable system needs to be built.

If you are a Microsoft employee, don't blow this. Don't make this into another "embrace, extend, extinguish" cycle. Accept that your company made some bone-headed maneuvers in the past, and rather than try to defend them, accept that your reputation outside of the Redmond Reality-Distortion Bubble is not what it looks like from the inside. As hard as this will be to do sometimes, just stop and listen to what others are saying about the company and the paranoia that creeps up every time Microsoft moves into an area of interest. Take the extra moment to hear the concerns, not just the words.

And if you are a Google employee, tatoo this on your forehead: Reputation Matters. The first time anybody at your company does something even remotely "evil", you will be branded as "the next Microsoft" and all of these problems will be yours to share and enjoy, as well.


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Wednesday, April 02, 2008 6:12:22 AM (Pacific Daylight Time, UTC-07:00)
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 Friday, March 28, 2008
Rules for Review

Apparently, I'm drawing enough of an audience through this blog that various folks have started to send me press releases and notifications and requests for... well, I dunno exactly, but I'm assuming some blogging love of some kind. I'm always a little leery about that particular subject, because it always has this dangerous potential to turn the blog into a less-credible marketing device, but people at conferences have suggested that they really are interested in what I think about various products and tools, so perhaps it's time to amend my stance on this.

With that in mind, if you are a vendor and have a product that you'd like me to take a look at and (possibly) offer up a review here, here's the basic rules:

  1. No guarantees. Sending me something will in no way guarantee that I will review your product, for several reasons, two of which being (a) I get really busy sometimes, and (b) I may have no interest whatsoever in your product and I refuse to pretend to do so. (Readers can usually tell when the reviewer isn't all that excited about the subject, I've found.)
  2. If you're not going to send me a "real" version (meaning not the time-locked or feature-crippled demo), don't bother. I have no idea when I will get around to a review, and I have no desire to review something that isn't "the real deal". I will in turn promise that the licensed version you send me (if necessary) will not be used for any purpose other than my own research and exploration (signing contract if necessary to give you that "fresh-from-the-lawyer's-office" warm and fuzzy feeling).
  3. I say what I think, pro and con. I will not edit my review to suit your marketing purpose, and if you ask me to do so I will simply note in the review that you have asked me to do so. I retain full editorial control over what I say about your product.
  4. Having established #1, I will try to be as fair as I can about your product, and point out things that I liked and things that I didn't. (Of course, if I hated it from top to bottom, I may end up with the only positive thing being "It didn't set the atmosphere on fire when I started the app", but hey, that's something positive, right?)
  5. Also in the spirit of #1, if you send me mail answering questions or complaints in my review, I will of course amend the review with your comments. You are always welcome to post comments to the blog entry itself, too. Unless you insult my grandmother, then I will have to get all DELETE-key on you.

The reason I'm posting this here is twofold: one, so my faithful audience of four blog readers will know the rules under which I'm looking at these products and (hopefully) realize that I'm not financially vested in any of these products, and two, so the various vendor folks can read this and know what the rules are up front before even asking.

I know it sounds a little cheeky to lay this out. The image I get in my head is that of the kid at Christmas declaring to his grandparents as they walk through the door, presents in hand, "Make sure it's not a scratchy sweater, I hate scratchy sweaters. And G.I. Joe was only popular when my Dad was a kid. And if you give me another lunchbox I will scream until you buy me something cool, like a new GameBoy." Ugh. But I value the trust that people seem to have in me, and so I risk the perception of cheekiness for this tiny window in time in order to (hopefully) establish full disclosure over the reviews that come to pass (which, by the way, will always have the category "review" applied to them, so you know which is an official review and which is just me exploring, like the LLVM and Parrot posts of recent time).

We now return you to the regularly-scheduled blog.


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Friday, March 28, 2008 4:18:12 AM (Pacific Daylight Time, UTC-07:00)
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 Saturday, March 22, 2008
Reminder

A couple of people have asked me over the last few weeks, so it's probably worth saying out loud:

No, I don't work for a large company, so yes, I'm available for consulting and research projects. If you've got one of those burning questions like, "How would our company/project/department/whatever make use of JRuby-and-Rails, and what would the impact to the rest of the system be", or "Could using F# help us write applications faster", or "How would we best integrate Groovy into our application", or "How does the new Adobe Flex/AIR move help us build richer client apps", or "How do we improve the performance of our Java/.NET app", or other questions along those lines, drop me a line and let's talk. Not only will I cook up a prototype describing the answer, but I'll meet with your management and explain the consequences of the research, both pro and con, for them to evaluate.

Shameless call for consulting complete, now back to the regularly-scheduled programming.


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Saturday, March 22, 2008 3:43:18 AM (Pacific Daylight Time, UTC-07:00)
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 Tuesday, January 08, 2008
So the thought occurs to me...

After pulling down the Solaris Developer Express 9/07 VMWare image, that it would make just too much sense to install Mercurial, grab the OpenJDK sources, and get the OpenJDK build going on that VMWare image and re-release the image back to the world, so those who wanted to build the OpenJDK and have an out-of-the-box ready-to-go experience could do so. (I'd love to do the same for Windows, but there's obvious licensing problems there.) Then, because the VMWare image would already have the Sun Studio 12 and NetBeans IDEs on it, one would have a complete debugging and profiling platform for spelunking the OpenJDK code base.

Thus far,though, I'm running into a significant snag, in that SDX doesn't want to run Sun Studio out of the box: it complains that it can't find CC on the PATH (which is on the PATH, as near as I can tell). Putting it on the PATH and re-launching the IDE (as suggested in the error message) has no effect, nor does modifying my .profile and logging-out-and-back-in-again.

To make matters more interesting, when kicking off Make, it throws a Java exception claiming "out of free space", which shouldn't be the case at all, since the drive the project lives on has a couple of gigs free. I've posted the errors to the Sun Studio 12 forums (after noticing that somebody else posted the exact same problems back in October, with no replies, which is discouraging), but was hoping one of the folks who listen in on the blog has some suggestions to try to fix this. Note that when using "dmake" (Solaris' native make, it seems) from the command-line, it works flawlessly. Help?

Update: Stepen Tilkov comments, "My apologies for pointing out the ridiculously obvious, but you *did* 'export' that PATH, didn't you?" Never apologize for pointing out the ridiculously obvious, Stephen, because not only is it the right answer half the time, the other half of the time, it's not obvious to the guy who needs help, either because he got lazy and forgot to check it (which I'm guilty of a lot), or because they genuinely didn't know it. In this case, though, I don't think that's the case; it appears to be there when I open a Terminal window. That said, though, I have only a vague idea of the scope and lifetime of environment variables under X (compared to within a terminal session), so there's a distinct possibility I'm not getting it set in the GNOME environment around me when I log in. Any good resources to figure that out?

Overall, the SDX environment looks pretty clean, though I can't say I'm comfortable with all the places that Solaris likes to install stuff; why, for example, do they want to put Sun Studio into /opt? It just seems strange to do so, though I guess it's no stranger than Mac OS X's /Applications directory.

Speaking of which.... From the "Why didn't I think of this before now?" Department: Given that the JDK source base is now completely unfettered and free, what holds up the Mac JDK 6 release? I can somewhat understand if Apple doesn't want to pursue the Mac (I said understand, not empathize or agree with, mind you), but why doesn't Sun take the necessary steps to bring a Mac port up to snuff? Or, alternatively, where is the Mac-toting Java-loving crowd? Granted, getting AWT and Swing up to snuff on the Mac might not be a trivial exercise, I'll grant you that, but a large part of the JDK beyond those elements could be ported over without too much difficulty, it would seem to me, particularly given that the JDK compiles with gcc on the Linux platform, and Mac OS has gcc as well. What am I missing here? (Oh, and if you thought of this before me, kudos-and-why-the-hell-didn't-you-say-something-earlier? It's a really good idea, it seems, at least in theory.)

Personally, I think Apple should get off its lazy ass and get Java6 done already. That, or authorize a third party to do it. Java5 is soooo 2006.


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Tuesday, January 08, 2008 4:14:43 AM (Pacific Standard Time, UTC-08:00)
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