Thoughts from Alan

First posted at https://railsatscale.com/2026-04-20-hitting-a-reverted-breaking-change-in-rust/ The story starts with Rust 1.85.0 giving me a surprise SIGTRAP in some test code.

The bit twiddling office called.

Let’s say you want to associate a property with an object, but you don’t want to write to the object directly, maybe for design reasons or logistical reasons.

Recently, I took a distribution version update for a Ubuntu system with a GTX 460 and I ended up spending a few hours to find out that the proprietary driver no longer works with the newest kernels.

This is a post about the bits and pieces I learned while trying to fix a symbol leakage problem for YJIT-enabled Ruby.

Recently I was asked how I review C99 code for problems that arise from failing to follow the so called “strict aliasing rules”.

Learn about the role write barriers play in garbage collection algorithms through CRuby’s implementation and example animations.

This guide intends to help Ruby native extension maintainers upgrade libraries to be compatible with GC.compact.

I have a K-Type, which is a programmable keyboard that lets me configure custom hotkeys.

The first commit I made for my compiler was in 2016, it read “Here’s hoping I get this done in time”.