Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you run npm install or yarn install and see an error like en...

Git Fatal: Refusing to Merge Unrelated Histories – Workaround
You try to merge two Git branches and get this error:
fatal: refusing to merge unre...

Resolving Python Dependency Conflicts in pyproject.toml
You've updated a dependency in pyproject.toml, and now pip install ...

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...

Fixing Node.js Heap Out of Memory on Windows
If you see a FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of me...

How to Stop Chrome from Crashing at Launch
If Chrome crashes immediately when you try to open it, you're not alone. This usually happens...