Notes from The Codeherd.https://thecodeherd.com/https://thecodeherd.com/en/notes/monorepos/https://thecodeherd.com/en/notes/monorepos/I spent two years arguing for splitting our repo. The boundary I was protecting was social, not technical — tooling caught up faster than my opinions did.Sat, 18 Apr 2026 00:00:00 GMThttps://thecodeherd.com/en/notes/postgres-planner/https://thecodeherd.com/en/notes/postgres-planner/A field guide to EXPLAIN (ANALYZE, BUFFERS): what the planner tells you, where row estimates go wrong, and the three rewrites that fix most slow queries.Mon, 30 Mar 2026 00:00:00 GMThttps://thecodeherd.com/en/notes/boring-deploys/https://thecodeherd.com/en/notes/boring-deploys/Small, reversible, observable. The most senior thing on my last team wasn't a system — it was that nobody felt anything when we shipped.Mon, 09 Mar 2026 00:00:00 GMThttps://thecodeherd.com/en/notes/type-driven-refactors/https://thecodeherd.com/en/notes/type-driven-refactors/"Make illegal states unrepresentable" sounds like a slogan until a union type deletes a whole class of bug. Three before/afters from a real codebase.Sat, 14 Feb 2026 00:00:00 GMThttps://thecodeherd.com/en/notes/on-call/https://thecodeherd.com/en/notes/on-call/What changed when we treated pages as a budget we owed the team back: tighter alerts, real follow-the-sun, and a blameless review that people stopped dreading.Thu, 22 Jan 2026 00:00:00 GMThttps://thecodeherd.com/en/notes/test-coverage/https://thecodeherd.com/en/notes/test-coverage/Coverage is a map, not the territory. Where I now spend the testing budget instead — and the one number I still watch closely.Mon, 08 Dec 2025 00:00:00 GMT