Checklists for software errors, setup, and tool workflows.

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Latest checklists

When you run pip install . or python setup.py develop, a dependency con...

If you click the terminal panel in VS Code and nothing happens, or it opens a blank shell instead...

If you see “fatal: remote origin already exists” when trying to git remote add origin

Fix Firefox Secure Connection Failed Due to Cache
You see a 'Secure Connection Failed' error in Firefox, often with messages like PR_CO...

Fix VSCode Terminal Not Opening with Python
You try to run a Python script in VSCode, click the terminal tab, and nothing happens—or the term...

How to Fix npm Run Build Failed Error
If you see "npm run build" fail with a generic error message, you're not alone. The i...