Tag: #idempotency
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 2 posts
Payment Idempotency: Preventing Double Charges
The network will eventually drop, and when it drops, clients retry. But in payments, a retry can become a double charge. Idempotency keys, dedup windows, unique constraints, the retry-plus-timeout problem, at-least-once
2026-07-02 · 14 min read #payments#idempotency#reliabilityCode That Fails Well — A Deep Dive into Error Handling and Resilience Design (2026)
Error handling is not decoration you bolt on after the feature is built — it is the design itself. Classify the kinds of failure, decide between exceptions and error values, validate at the edge and trust the core, put a
2026-05-14 · 25 min read #error-handling#resilience#retry#circuit-breaker#timeout