Engineers push for better documentation
Everyone benefits from good documentation. So why does so much of it suck, and how can companies do better?
Early in his career, Chris Svec, a senior principal software engineer at iRobot, was trying to figure out why some code worked the way it did. “There were some really complicated function calls or something like that, and it just didn’t make any sense to me,” he recalled.
Combing through prior versions of the code for any information that might provide a clue, he silently cursed the jerk that had left a crumbless trail. And then he realized that the jerk was — yours truly.
“We all understand that good documentation is important and we would all like it to be better, but unfortunately it’s very easy to convince yourself you can put off doing a better job — or even doing it at all — since it’s not a hair-on-fire situation,” said Svec.
The fact that documentation is important but not urgent, makes it an all-to-easy thing to kick down the road with the sincerest of intentions to get back to it later. But when that doesn’t happen, it becomes the next guy’s (or girl’s) problem.
And next time that person just might be the “future you.”
(Click here to see a larger image.)
The thing is, everyone knows good documentation when they see it. Svec points to the master pinout diagram for the Spark Core Wifi Module (shown above) as quite possibly the best hardware documentation he’s ever seen.
[LEARN ABOUT OSHW TOOLS, INCLUDING THE SPARK CORE: at ESC Boston]
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