Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You start your computer, launch your usual apps, and the programs are running—you can see them in...

When you run npx some-package and see an error like “npm package json not found”...

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

Docker Compose Environment Variable Not Set in Container: Fixes
You ran docker-compose up, but the environment variable you defined isn't availa...

Fix Git Push Rejected Due to Unrelated Histories
You try to push a local branch to a remote repository, but Git refuses with a message like ...

Fix Git Merge Conflicts with Deleted Files You're in the middle of a merge and git stops with a conflict. One side deleted a file, the o...