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 — General — collected 29 Apr 2026
The Concept I've 'Solved' Twice and Still Don't Fully Trust
I've solved every practice problem tied to this concept and I still wouldn't bet on myself to reproduce it cold. That gap is the actual subject of this post.
dsasliding-window
SPECIMEN — Mistakes — collected 24 Apr 2026
My Most Frequent Bug Isn't a Bug, It's a Typo
Eight logged occurrences and climbing — my most common mistake category isn't a misunderstood algorithm, it's my fingers moving faster than my eyes.
dsapythonsyntax
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