Simple is Complex
I started reading Vehicles, by Valentino Braitenberg. Braitenberg asks us to consider the implications of extremely simple notional machines. For instance, the very first machine has only a single motor…
Don’t throw away invalid data
Recently I saw a wonderful talk about domain modeling in F#, by Scott Wlaschin. Here’s an older version of it. It was a superbly executed presentation, crystal clear and compelling….
Rails 6 errors: the good, the bad, the ugly
An exploration of what’s awesome, what’s not so great, and what’s downright confusing in Rails 6 debugging.
Tools for turning descriptions into diagrams
Sometimes I have a picture of a software design in my head and I just want to draw it. If I don’t need to collaborate with anyone remotely I might…
How to relax your Ruby version specification in your Gemfile
Have you ever run into this error? Your Ruby version is 2.6.1, but your Gemfile specified 2.6.3 Annoying, right? You know your Ruby version is new enough to run this…
SIGAVDI #55: Lavender Yogurt Edition
Hello friends, I just got back to Tennessee after a wonderful couple of weeks in St. Louis. Hey look, here’s another pairing video with Jess! I wanted to deepen my…
SIGAVDI #54: Watermelon Salad Edition
Chatbots, startups, legitimacy theater, and Linux on Windows
SIGAVDI #53: Tamale Edition
Reflecting on what a jerk I used to be, and a tale of cardboard tubes.
The Cache Flush Episode 003
Musings on the need for systems to be able to reveal their intentions; and more micro-interviews from Codestock
Test-Driven Re-implementation with Josh Thompson
Yesterday Josh Thompson, one of my Rubber Duck Session clients, proposed a novel idea for deliberately practicing coding skills: take a popular open-source project with a good test suite, delete…