FIELD LOG — Blog
Blog
Every bug, build note, and half-finished theory that made it past the daily log and into something worth reading properly.
SPECIMEN — Mistakes — collected 18 Apr 2026
Four Ways I Got a Two-Pointer Loop's Bookkeeping Wrong
Four different two-pointer problems, four different ways the loop's own bookkeeping got away from me — and the same root cause underneath every one of them.
dsatwo-pointersarrays
SPECIMEN — Mistakes — collected 10 Apr 2026
The Boundary Condition I Have to Check Every Single Time
My mistake log's top category isn't some subtle algorithmic error. It's a loop bound that's one index short — twice in one week, in two different shapes.
dsaarraystwo-pointers