Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

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Latest checklists

You run pip install and see errors like “package A requires package B==1.0 but y...

Fix VS Code Git Not Detecting Changes After .gitignore Update
After updating your .gitignore file, you might notice that VS Code's Git extensi...

Fix Git Push Non-Fast-Forward and Permission Denied Errors
When you run git push and get an error like ! [rejected] main -> main (non-...

Python Not Working in CMD on Windows 10: Fixes You installed Python but typing python in Command Prompt returns 'python&#...

How to Fix Node.js Heap Out of Memory in VS Code If you see FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaS...

Windows 11 Update Stuck at 0%: Manual Download Fix You click 'Check for updates' in Windows 11, and it hangs at 0% for minutes or hours. Res...