Four short links: 22 April 2020

1. Posthog — open source product analytics.
   
2. Into the Mainframe (Recurse) — the interviews with two mainframe programmers are a great reminder of how much things have changed. And how they haven’t. For instance, later in my career I kept a weighted punching clown in my office. As programmers, we liked our users, but we also sort of hated them. They would make all these unreasonable requests, give us bad data, stuff like that. So all my staff could come by my office when they were mad at their users and punch the clown to feel better. It was fun. I had two doors in my office, and one time some guy I’d never seen before in my life walked into my office without knocking, punched the clown, and walked out the other door. Never saw him again.
   
3. NetLogo — a multi-agent programmable modeling environment. For simulations/modeling.
   
4. Things I Wished More Developers Knew About Databases (Jaana B. Dogan) — really good points, hard won from experience. You are lucky if 99.999% of the time network is not a problem.

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