DEV Community

#debugging

Troubleshooting code issues

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
Hunting Memory Leaks in JavaScript: Notes on V8 Mechanics & Chrome DevTools

Hunting Memory Leaks in JavaScript: Notes on V8 Mechanics & Chrome DevTools

Comments
6 min read
I open-sourced the counting tool, and it immediately caught two of its own bugs

I open-sourced the counting tool, and it immediately caught two of its own bugs

1
Comments
2 min read
Your test fixtures are lying to you: what 13 real Minecraft crash reports taught me

Your test fixtures are lying to you: what 13 real Minecraft crash reports taught me

1
Comments
5 min read
Debugging mixed ESM and CommonJS: separate module classification from loading

Debugging mixed ESM and CommonJS: separate module classification from loading

Comments
4 min read
"A second operation was started on this context" — the EF Core bug that only shows up under load

"A second operation was started on this context" — the EF Core bug that only shows up under load

Comments
3 min read
Finding the second copy of React that npm ls cannot see

Finding the second copy of React that npm ls cannot see

Comments 4
2 min read
Linux Doctor, heal thyself: 20 ways my Linux health checker was wrong

Linux Doctor, heal thyself: 20 ways my Linux health checker was wrong

Comments
5 min read
Three convincing Python fixes that still fail the boundary case

Three convincing Python fixes that still fail the boundary case

Comments
3 min read
JumpToTech DevOps — Production Troubleshooting Lab

JumpToTech DevOps — Production Troubleshooting Lab

Comments
10 min read
The Scoring Bug We Caught Before We Shipped It

The Scoring Bug We Caught Before We Shipped It

Comments
2 min read
LangSmith: Essential Observability for LLM Applications in 2026

LangSmith: Essential Observability for LLM Applications in 2026

Comments
8 min read
LangSmith: The Essential Observability Platform for LLM Applications

LangSmith: The Essential Observability Platform for LLM Applications

Comments
8 min read
Stop debugging webhooks blind. I built a tap that shows you the raw bytes.

Stop debugging webhooks blind. I built a tap that shows you the raw bytes.

Comments
2 min read
Avatar Crop Cuts Off Heads — Debug Smart Framing Through Upload Alerts

Avatar Crop Cuts Off Heads — Debug Smart Framing Through Upload Alerts

Comments
6 min read
Your Status Page Is Written in the Present Tense. Bug Reports Are Not.

Your Status Page Is Written in the Present Tense. Bug Reports Are Not.

Comments
3 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.