Deep-dive guides on AI agents, agent orchestration, MCP, and developer tooling.
4 posts found
LIMIT/OFFSET pagination silently duplicates and skips rows the moment writes happen concurrently, and gets slower the deeper a client pages. Here is why, and how keyset (cursor) pagination avoids both problems.
A dropped connection makes a client retry a POST that already succeeded — without an idempotency key, that retry becomes a duplicate charge, not a safety net. Here's how the pattern actually works and where naive implementations fail.