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.
Diagnosing and Resolving Next.js Server Action Errors
Pinpoint and fix errors in Next.js server actions, focusing on non-obvious causes like serialization and environment mismatches.
React Custom Hook Stale Closure State Bugs
Advanced guide to debugging and fixing stale closure issues in React custom hooks, with real stack traces, code examples, and actionable steps.
Diagnosing Next.js Dynamic Import SSR Failures
Resolve Next.js SSR crashes caused by dynamic imports. Understand misconfigurations, hydrate mismatches, and JavaScript execution pitfalls in server contexts.
Debugging Next.js Streaming SSR: Stuck, Broken, or Incomplete Streams
Identify and resolve non-obvious Next.js streaming SSR bugs: hung responses, incomplete HTML, or silent server errors. Includes war stories and concrete tactics.
Diagnosing React's Controlled vs. Uncontrolled Component Warning
How to debug and resolve React's controlled/uncontrolled component warning, why it happens, and what to check when your inputs act weird.
next.js revalidatePath Not Refreshing Cache on Dynamic Routes
next.js revalidatePath sometimes fails to refresh cache, especially on dynamic routes. This guide covers real causes, debugging, and practical fixes.
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.
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.
Writing Bug Reports That Developers Appreciate
A good bug report is more than a template. Learn which details actually move the needle, and which common 'best practices' waste developer time.