Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you try to merge two Git branches that don't share a common commit history, Git stops wi...

You try to merge two git branches and get an error like fatal: refusing to merge unrelated ...

Fix 'Permission Denied' in VS Code Terminal for Python
You're in VS Code, you open the terminal, type python script.py, and get p...

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 VS Code Permission Denied Error on Windows 11
If you see "permission denied" when saving files, running terminals, or using extensions ...

Fix 'package.json Not Found' After Cloning a Repository
Symptom
You clone a repository from GitHub (or another remote), change into the directory...