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Moving a failed event to a delayed retry topic lets later events overtake it. Trace the sequence, then choose blocking, key-aware, or order-independent recovery deliberately.
Writing archive
Everything published under Writing, newest first. Each entry is labelled as part of an investigation, an article or reference. Short engineering notes have their own archive.
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Human approval is useful only when it binds a specific actor, target, action, limit, and state. Classify tool risk and prevent vague consent from becoming broad authority.- Published on
A useful dead-letter queue preserves failure evidence and has an owned repair workflow. Design its envelope, redrive rules, and closure signal before messages fail.- Published on
Rust cannot finish name resolution before expanding macros because expansion can create new names and new macros. Follow the compiler's iterative expansion loop.- Published on
A DFA inner loop looks tiny, yet every next transition depends on the previous one. I explain dependency chains, cache locality, and why fewer instructions need not mean huge speedups.