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.
17 playbooks
Debugging Env Var Issues
A concise checklist for incidents where local works but CI, staging, or production changes behavior.
Debugging Cache Stampedes
How to recognize and contain request spikes when cached data expires.
Debugging CORS Origin Bugs
A practical way to inspect origin parsing, credentials, and header behavior.
Debugging Retry Bugs
Retry issues often hide the first failure and create duplicate work.
Debugging Timezone Bugs
Time bugs usually live at day boundaries, DST changes, and unit conversions.
Debugging Pagination Bugs
Pagination bugs hide in boundary math, cursor reuse, and new records arriving between pages.
Structured investigations for the failure modes engineers meet in real systems.
Webpack Module Federation Remote Not Loading: Debugging Guide
A practical debugging guide for when a Webpack 5 Module Federation remote fails to load, including specific commands, config checks, and real-world root causes.
Vite Path Alias Not Resolving: The Complete Debugging Guide
A practical debugging guide for when Vite's path aliases (like `@/components`) fail to resolve, covering configuration pitfalls, IDE integration, and build-time errors.
Webpack Source Maps Not Working – Debugging Guide
A practical guide to debugging when Webpack source maps are missing, broken, or point to wrong files in development and production.
React Native Metro Bundler Error: Complete Debugging Guide
A practical guide to diagnosing and fixing Metro bundler errors in React Native, covering cache issues, module resolution, and Babel misconfigurations.
Debugging React Native Native Bridge Module Errors
A hands-on guide to diagnosing and fixing native bridge module failures in React Native, covering iOS and Android integration issues.
Debugging React Native Android Gradle Build Failures
A practical guide to diagnosing and fixing Gradle build errors in React Native Android projects, covering cache issues, dependency conflicts, and configuration problems.
Long-form thinking on debugging habits, observability, and the systems around the bug.
Five Debugging Habits That Separate Seniors from Juniors
It's not tools. It's not years of experience. It's five repeatable habits that senior engineers do reflexively and juniors haven't built yet.
Why Your Production Logs Are Lying to You
Logs tell you what the code reported. They almost never tell you what actually happened. Here is the gap, and how to close it.
The Real Cost of Console.log Debugging (and What to Use Instead)
Every engineer reaches for console.log. Most do not think about what it costs — in time, in performance, or in production readiness. Here is the honest accounting.
Interpreting Stack Traces: Practical Steps for Faster Debugging
Stack traces can be dense, but reading them fluently accelerates triage and root cause analysis. This article explains how to extract actionable information, with real-world context.
Efficient Debugging with git bisect: Going Beyond Binary Search
This article explains how to incorporate git bisect into your debugging workflow, focusing on practical execution, automation, and common edge cases.
Applying Rubber Duck Debugging to Complex Engineering Problems
Rubber duck debugging isn’t just a quirky solo exercise. I’ll show how explaining code out loud surfaces misunderstandings and reduces wasted team cycles.