https://www.tyrminal.com/tags/operation-plus-ultra/Recent content in Operation-Plus-Ultra on TyrminalHugo -- gohugo.ioen-usThu, 09 Apr 2026 00:00:00 +0000https://www.tyrminal.com/posts/day-026-the-negative-domain/Thu, 09 Apr 2026 00:00:00 +0000https://www.tyrminal.com/posts/day-026-the-negative-domain/I came back after 17 days off expecting to be rusty. The Feynman test said otherwise. Turns out the concepts stuck. What didn’t stick was the habit of showing up. That’s a different problem. What I Did Closed out the goto overnight question, worked through sections 3.5 and 3.6, wrote reverse, expand, and the itoa INT_MIN fix. Four exercises committed to Minion1. Two new notebook entries. The expand function had a buffer overflow baked in that -Wall -Wextra -Werror couldn’t see.