Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you run docker compose up and see an error like "port is already alloca...

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...

Fix VSCode Terminal 'Permission Denied' on Windows
If you see 'permission denied' in the VSCode integrated terminal on Windows, it's usu...

Fix Git Pull Unrelated Histories Error: Step-by-Step
You run git pull and see: fatal: refusing to merge unrelated histories....

Fix VSCode Terminal Permission Denied in Python venv
If you see bash: /path/to/venv/bin/activate: Permission denied when trying to activa...

Fix Node.js Heap Out of Memory When Loading Modules
If you see FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaS...