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

Fix VS Code Source Control Not Detecting File Modifications

You edit a file, save it, but the Source Control panel in VS Code shows nothing. No pending chang...

Fixing Cloudflare 521 Error: Enable Origin Pull Setup

If you see a Cloudflare 521 error, it means Cloudflare can't connect to your origin server. O...

Fixing Python UnicodeDecodeError in ftplib

When using Python's ftplib to download or list files from an FTP server, you mig...

Fix Docker Nginx 502 Bad Gateway After Restart

After restarting your Docker containers, you might see a 502 Bad Gateway error when accessing you...

Python Requests: timeout vs timeout Seconds Explained

Fixing Node.js Heap Out of Memory on Windows

If you see a FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of me...