Debugging
A shop ledger page, 1899. Every line adds up.
How to Debug a Third-Party API Integration
Diagnose third-party API failures with request IDs, timeout budgets, safe retries, schema validation, and actionable error logs.
2 min read
How to Fix a Next.js Build That Fails on Vercel
Troubleshoot Vercel build failures by reproducing the build, checking environment variables, and separating type, dependency, and runtime errors.
3 min read
Stuck on One Bug for Days: A Systematic Debugging Method
A step-by-step method for bugs that resist fixing: reproduce, minimize, form hypotheses, bisect with git, explain it aloud, and ask for help with a well-written question.
4 min read
Production-Only Bugs: Logging, Staging Parity and Feature Flags
When a bug appears only in production, close the gap with an environment checklist, structured logs with request IDs, safe diagnostics, and canary releases behind flags.
4 min read
Bugs You Cannot Reproduce: A Repeatable Process
A step-by-step process for bugs that only happen sometimes or only for some users: gather evidence, narrow variables, add logging, replay inputs, diff environments and time-box.
4 min read
Asyncio Tasks Silently Garbage Collected: Debugging the Disappearing Task
Why a fire-and-forget asyncio task can vanish mid-execution, how to keep strong references, and how TaskGroup makes lifetimes and exceptions explicit.
4 min read