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

Cloudflare DNS Not Updating After Change: Fixes That Work

You change a DNS record in Cloudflare, wait, and the old IP still resolves. This is a common frus...

Resolving Python Dependency Conflicts in setup.py

When you run pip install . or python setup.py develop, a dependency con...

VSCode Breakpoint Not Hit Due to Source Maps: Fix

You set a breakpoint in your TypeScript or React source file, start debugging, and the breakpoint...

How to Allow Unrelated Histories in Git Merge

Fix Missing Taskbar Icons After Uninstalling a Program

You uninstall a program, and suddenly some taskbar icons disappear—even for apps you didn't r...

Docker Compose Port Already Allocated: How to Fix

You run docker-compose up and see an error like Error: Port 8080 is already al...