Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You've edited files in VS Code, but the Source Control panel shows no changes. The git icon m...

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

Fixing Nginx Upstream Connection Refused and Permission Denied
If you see connect() failed (111: Connection refused) or connect() failed (13:...

Fix Nginx Configuration Test Syntax Errors When you run nginx -t and see syntax error, the nginx service will ...

Fix 'Permission Denied' in VS Code Terminal If you see Permission denied when running commands in the VS Code integrated termina...

Fix err_name_not_resolved Caused by Chrome Extensions If you see err_name_not_resolved in Chrome, a misbehaving or conflicting extension c...