Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run pip install -r requirements.txt and get a PermissionError or

You open a Rust project in VSCode, start typing, and get no completions, hover info, or error hig...

When you open the PowerShell terminal in VS Code and see the error “cannot be loaded because ...

npm package.json Not Found After npm init
You run npm init, answer the prompts, and then try to install a package or run a scr...

Fix Git index.lock File Exists Permission Denied Error
You're in the middle of a Git operation and suddenly you see:
fatal: Unable to ...

How to Create a New Branch from a Detached HEAD in Git If you see a message like "You are in 'detached HEAD' state" in Git, it means you...