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

Fixing Python Memory Errors When Processing Large Files on 64-bit

If you're hitting a MemoryError in Python while reading or processing a large fi...

Cloudflare Wildcard Subdomain Troubleshooting Checklist

When you set up a wildcard DNS record (e.g., *.example.com) in Cloudflare, subdomain...

How to Stop Nginx Redirect Loop: Practical Fixes

An Nginx redirect loop (too many redirects) usually appears as a browser error after multiple 301...

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

Why VS Code Debugger Breakpoints Are Greyed Out and How to Fix

You set a breakpoint in VS Code, but it appears greyed out and the debugger skips it. This usuall...

Restore Windows Defender Real-Time Protection After Malware Disables It

If your Windows Defender real-time protection has been turned off and you suspect malware is the ...