Knowledge base for software setup, errors, and daily tool work.

VS Code Source Control Not Detecting Changes on Mac: Fixes

You make edits in VS Code on your Mac, but the Source Control panel shows nothing. No files appea...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Python Dependency Conflict Resolution Best Practices

If you've ever run pip install and seen a wall of red text about conflicting dep...

Fixing NGINX Upstream Connection Refused SSL Errors

When NGINX logs upstream connection refused for an SSL backend, it usually means the...

Node.js Memory Leak Detection: Tools and Practical Fixes

Node.js applications can develop memory leaks over time—heap usage grows steadily, response times...

How to Fix a Detached HEAD in Git Using SourceTree

If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...