Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You updated your Python environment or a package, and now your script throws import errors or ver...

When you run docker pull and see access denied or permission deni...

Git Merge Conflict: How to See the Diff Between Versions
When you run git merge and hit a conflict, Git pauses and marks the conflicting file...

Fix npm 'package.json not found' Error in Subdirectories
You're working in a subdirectory of your project, run npm install or npm r...

Fix npm run build Failure Due to Node Version Mismatch
You run npm run build and it fails with errors like SyntaxError: Unexpected to...

Fix Git Clone Connection Timed Out Due to Firewall
You run git clone and after a long pause see connection timed out. This...