I’m really happy to see that Factor 0.97 is now available. Factor is a modern, concatenative programming language, similar to FORTH or Joy, but actively maintained. It’s got great performance, solid documentation, and rich libraries and tooling, including a robust web framework that powers the Factor website itself. Along with Pharo Smalltalk, Factor is one of two languages and environments I go to when I just want to have fun for a bit, which is how I ended up making my own little…

Sometimes, I feel that my career as a coder is demarcated by the tech stacks I used to write software. Partly that’s about the programming language—Smalltalk in college, C# and Python at Fog Creek—but it’s also about all the other tools you use to get the job done. I spent eight years working for Fog Creek, and in that capacity, I had a pretty consistent stack: FogBugz for bugs, customer support, and documentation; Trello for general feature development; Kiln for code review; Mercurial for…

For the past week, I have felt a wave of relief that we shipped Kiln Harmony, the first DVCS-agnostic source control system. Kiln Harmony’s translation engine ruled my life for the better part of a year, and, as the technical blog series is revealing, probably took some of my sanity with it. But we’ve received nearly universally positive feedback, and built a product that I myself love to use, so I can’t help but feel the project was an incredible success. A success that started with me…

Business of Software has long stood as a unique conference for me: while nearly every tech conference I attend focuses on the technological side of delivering a solution, Business of Software focuses on actually delivering the goods. How do you reach people? How do you know you’ve reached people? How, if you’ve reached people, do you turn that into profit so that you can keep making people’s lives better? These are insanely important questions, and ones that are far too easily glossed over…

I’ve been coding full-time for only a few weeks, and already I’m going somewhat insane by people engaging in what I’d call cargo-cult debugging. Cargo cults were religions that developed when primitive societies, who’d had little exposure to any technology, were suddenly confronted with top-of-the-line modernism in the form of World War II military machines. When the armies disappeared at the conclusion of festivities, they took all of their modern marvels with them. The locals, believing…

Let’s set the scene. It’s the summer of 2010. Kiln had been launched into the wild for all of six months, after a grueling year-long, no-revenue sprint to turn my dinky prototype that ran only on my personal laptop into a shipping application that worked both in Fog Creek’s hosted environment and in a gazillion ever-so-slightly-different on-site installations. We’d had all of a few months actually charging people, and were only just barely making a month-to-month profit, let alone having a…

I think the point of math class is probably to teach people math, but what many of the best developers I know actually learned in math class was how to program. Nearly every high school math class I took was really, really boring. Not through the fault of the teachers; they were actually awesome. But I consistently knew just enough to be bored, yet not enough to actually skip the class. At first, I tried to act like I was paying attention, which meant that my face had to be vaguely directed…

I should be in the middle of an interview right now. About fifteen minutes into it, in fact. About the part of my interview where we stop talking about awesome stuff the candidate has worked on in the past and start diving into writing some actual code. A stack with O(1) data access that also always knows its maximum, for example. Or perhaps a rudimentary mark-and-sweep garbage collector. It’s usually my favorite part of the interview: I get to see how the candidate thinks, how they…

I sincerely doubt that the statement “I like Mercurial” will catch anyone who reads this blog by surprise. I brought it to Fog Creek. I evangelized for it on the Fog Creek World Tour. I helped build a whole product around it. I’ve gone to a Mercurial coding sprint, I’ve sent a whizkid to a Mercurial coding sprint, and I’ve even written a few patches (mostly trivial) for Mercurial. So let’s agree that I like Mercurial an awful lot. Reading crap like this pisses me off. The question seems…

I remember, when we first launched Kiln, that I was desperately hopeful that it'd actually make a dent. I was honestly quite scared that we might end up in a situation where, after we'd put in all of this effort, spent all of this time designing and coding and testing and writing really arcane and annoying crap like billing code, that no one would want Kiln, and we'd be forced to close shop. Good news! That’s no longer the…