Iincultnitoinincultnitollc.hashnode.dev·Jun 20 · 8 min readThe Postgres error code that makes Stripe webhooks idempotent: 23505Stripe delivers webhooks at least once. Not exactly once — at least once. A network blip on your side, a 200 that arrives a half-second too late, an event Stripe decides to re-send during an outage, a00
Iincultnitoinincultnitollc.hashnode.dev·Jun 12 · 8 min readFour pgvector patterns that kept our RaG SaaS on one PostgresMost RAG tutorials stop at embedding <=> query. They show you the operator, return five rows, and call it retrieval. Then you ship it, a second customer signs up, and you discover the four things the 00
Iincultnitoinincultnitollc.hashnode.dev·Jun 3 · 11 min readHow I built a RAG-grounded Discord brain in 5 weeks (solo, ESL, no funding)Day 14. The fourth time. A user in our Discord asked, for the fourth time that week, the same question. Same wording, almost. The first three answers were buried somewhere in a thread, a pinned messag00
