Checklists for software errors, setup, and tool workflows.

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Latest checklists

You run git pull, then git push, and get: ! [rejected] non-fast-f...

Git index.lock File Exists Even After Deleting: Fixes
You delete the .git/index.lock file, but Git still says it exists. This can happen d...

Fixing Common pnpm Workspace Setup Issues
When setting up a pnpm workspace, you might see errors like ERR_PNPM_WORKSPACE_PACKAGE_NOT_...

Fix 'Permission Denied' in VS Code Terminal for Python
You're in VS Code, you open the terminal, type python script.py, and get p...

Fix Node.js package.json Engine Check Failures
When you run npm install and see an error like EBADENGINE or engi...

How to Fix Git Push Rejected (Non Fast-Forward Error)
When you run git push and see ! [rejected] with non fast-forward<...