Buglyst Blog
Learn to debug under pressure.
Playbooks for fast pattern recognition, guides for the full investigation, and articles for the engineering judgment around the edges.
17 playbooks · 509 guides · 95 articles · 12 linked practice labs ·skip to practice
Fast pattern recognition for the production failures engineers see most often.
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Structured investigations for the failure modes engineers meet in real systems.
Debugging java.lang.StackOverflowError from Recursion
A practical guide to diagnosing and fixing StackOverflowError caused by unbounded recursion in Java, including thread stack analysis, JVM flags, and code patterns that actually cause this.
Turborepo Cache Not Hitting – Debugging Remote and Local Cache Misses
A practical guide to diagnosing why Turborepo's cache is not hitting, covering both local and remote cache misses with concrete commands and root causes.
Nx Affected Command Not Detecting Changes: Debugging Guide
When `nx affected` commands fail to see your changes, the cause is almost always a mismatch between the git base and the project graph. This guide shows you exactly how to diagnose and fix it.
Husky Git Hook Not Running: Why Your Pre-commit or Commit-msg Hook is Silently Skipped
Diagnose why Husky hooks are not executing despite being installed. Covers .git/hooks issues, path problems, and permission errors.
React Native iOS Pod Install Error: Xcode Build Failures and CocoaPods Conflicts
A practical guide to diagnosing and fixing pod install failures in React Native iOS projects, covering version mismatches, cache issues, and FFI dependencies.
Expo EAS Build Fails: Debugging Build Errors on EAS
A practical guide to debugging Expo EAS build failures, covering common causes, diagnosis steps, and fixes for EAS Build errors.
Long-form thinking on debugging habits, observability, and the systems around the bug.
How to Debug Legacy Code Without Losing Your Mind
A pragmatic approach to debugging code you didn't write, with techniques for tracing execution, isolating side effects, and making safe edits.
Debugging Feature Flag Rollouts: Tracing the Live-at-5 Incident
A misconfigured feature flag triggered a cascading failure in production. Here's how we traced the root cause and built a better debugging toolkit.
How to Ask for Debugging Help Without Wasting Everyone's Time
Asking for debugging help is a skill. Here's how to provide enough context, show your work, and frame the problem so others can actually help you.
Documenting Bugs: A Postmortem-Driven Approach That Cut Recurrence by 60%
Most bug write-ups are useless. Here's a structured, postmortem-driven approach that reduced bug recurrence by 60% in our team — with templates and a real incident walkthrough.
Debugging as Hypothesis Testing: A Mental Model for Systematic Root Cause Analysis
Most debugging is frantic guessing dressed up as experience. Here's a mental model that treats debugging as a scientific process — form hypotheses, design experiments, and isolate root causes systematically.
How to Read Error Messages: A Debugging Protocol
Most engineers skim error messages and miss the signal. Here's a repeatable protocol for extracting maximum information from stack traces, log lines, and crash dumps — with a real incident walkthrough.