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 Next.js App Router Layout Not Rendering
How to debug and fix the issue where your Next.js App Router layout component fails to render as expected.
Why Your React Error Boundary Isn’t Catching Errors
Pinpoint why your React error boundaries fail to catch component errors, including async mistakes, event handler pitfalls, and rendering issues.
Diagnosing Next.js Custom Webpack Config Failures
Understand and resolve Next.js custom Webpack configuration errors with this focused debugging guide. Fix cryptic build failures and get back to shipping.
Debugging React Lazy: 'Loading Chunk Failed' in Suspense Lazy Components
A real-world, engineer-tested debugging guide for diagnosing and resolving React's 'Loading Chunk Failed' error with lazy-loaded components and Suspense.
Next.js Server Component Incorrectly Using Client Hooks
Diagnose and fix the common pitfall of using React client-only hooks in Next.js server components, including boundary errors and misconfiguration traps.
Zustand Persist Middleware Not Saving or Loading State
How to diagnose and fix persistent state bugs with Zustand's persist middleware in React. Get concrete steps, real root causes, and effective solutions.
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.