Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run npm install or npm start and get something like:

...

Fix VS Code Permission Denied Error Code 13
You open a file or run a task in VS Code and see Error: EACCES: permission denied, open ...

Fixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...

How to Give VS Code Permission to Save Files
If VS Code shows a permission error when you try to save a file, the problem is usually that the ...

Fix 'pip install externally managed environment' Error
If you're seeing pip install fail with a message about an externally managed env...

How to Enable Breakpoints in VS Code
If you've set a breakpoint in Visual Studio Code and it's not being hit, or you're no...