Blog

News from the work, and tips for planning, building and running a product.

A side effect in useMemo froze my scroll-driven 3D model

The canvas rendered, the captions followed the scroll, and the model never moved. One line in the wrong hook, found by StrictMode.

16 October 2026Tip3 min read

Two languages in one row: { en, mn } columns in Postgres
The blog used to keep one row per language. Moving both languages into one row removed a whole class of bugs. The schema, the reads and the edge cases.
7 October 2026Tip2 min read
An AI assistant that never sees a secret
The assistant on this site runs Claude in a small Python service with no database, no tokens and no keys but its own. The API decides everything it knows.
29 September 2026News2 min read