Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You delete the .git/index.lock file, but Git still says it exists. This can happen d...

When using the Python Requests library, a timeout error can stop your script mid-flight. You migh...

You run git stash and see: fatal: Unable to create 'path/.git/index.lock&#...

Fix npm ERR! enoent ENOENT: package.json Not Found in node_modules
You run npm install or npm start and get something like:
...

Fix Python Memory Error When Reading Large Files
When you try to read a file that's larger than your available RAM, Python raises a Memo...

Fix 'Externally Managed Environment' Error in pip
If you see error: externally-managed-environment when running pip on Linux, it means...