A story about how I realized this is how applied math skills are acquired

It started with the recurrence relation function on the Casio FX-GC100 graphing calculatorSince a recurrence relation is ...

mv in Ubuntu 26.10 does not preserve mtime when moving across devices—a comparison with GNU

Knowing that cp, mv, and rm in Ubuntu 26.10 have been replaced by the Rust-based uutils coreutils 0.12.0, I compared them ...