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

Fix Chrome Black Screen Flickering from Hardware Acceleration

If Chrome shows a black screen or flickers when watching videos, scrolling, or opening menus, har...

How to Manually Activate a Python Virtual Environment

You've created a Python virtual environment but can't get it to activate. This guide walk...

Docker Nginx 502 Bad Gateway: Memory Limit Fix

You're running Nginx in Docker as a reverse proxy, and suddenly you see 502 Bad Gateway error...

Git Merge Conflict: Keep Both Files Instead of One

When you run git merge and get a conflict, Git stops and marks the conflicting files...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

How to Fix Node.js Heap Out of Memory Error Code 134

You're running a Node.js application and it crashes with FATAL ERROR: CALL_AND_RETRY_LA...