Software development is like geriatrics

Caring for software takes more knowledge than a single person can acquire. There’s the business knowledge that makes it useful, plus the languages and runtimes and infrastructure and deployment. Then there’s security, accessibility, user experience, each interface, availability, observability, scaling, performance, data modeling, testing, networking, etc etc. Every change to the software hits several of …

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Control doesn’t mean you know what’s going to happen

Being prepared includes…* Controlling the flow of the interview* Allowing uninterrupted dialogue* Keeping an open mind* Following the facts wherever they may lead Luizzo and Gaspar, “Demystifying the Investigative Process” in PI Magazine “Control the flow” and “Follow the facts wherever” seems contradictory. Do I make the interview go according to plan, or do I …

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One Secret to Quality Software

They ask us for quality. What is “quality”? “Well, free of defects.” (Oh it’s a lot more than that.) What is a “defect”? “Well, when it doesn’t work like we expect it to. Like we agreed it should.” Trust me, you didn’t specify how it works. That’s my job, as a developer. To organize all …

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Rules in context: D&D edition

In Dungeons & Dragons (the tabletop game), there are universal laws. These are published in the Player’s Guide. They set parameters for the characters, like how powerful they should be relative to monsters. The Player’s Guide outlines weapons, combat procedures, and success rates. It describes spells, what they do and how long they last. What …

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