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.
1 playbook in Languages & Runtime
Structured investigations for the failure modes engineers meet in real systems.
Defer Captures Arguments at Call Site, Not Execution Time
In Go, deferred function arguments are evaluated when the defer statement appears, not when the deferred function runs. This guide shows how to debug and fix the resulting bugs.
ConcurrentModificationException When Iterating a List
A practical guide to diagnosing and fixing ConcurrentModificationException during iteration in Java, covering common pitfalls, detection techniques, and real-world scenarios.
Debugging TypeScript Module Augmentation When It Silently Fails
A direct guide to diagnosing why your TypeScript module augmentation doesn't take effect, covering ambient module declarations, import side effects, and module resolution quirks.
Debugging TypeScript Template Literal Type Errors
A practical guide to diagnosing and fixing errors with TypeScript template literal types, including infinite unions, recursion limits, and inference failures.
C# Async/Await Deadlock in .NET: Blocking on Async Causes Hang
A focused guide on diagnosing and fixing deadlocks caused by blocking on async code in .NET applications, covering WinForms, WPF, ASP.NET Classic, and SynchronizationContext issues.
.NET Memory Leak from Large Object Heap Fragmentation
A deep dive into diagnosing and fixing memory leaks caused by Large Object Heap fragmentation in .NET applications, with real-world strategies.
Long-form thinking on debugging habits, observability, and the systems around the bug.