Checklists for software errors, setup, and tool workflows.

Resolving Python Dependency Conflicts from Transitive Dependencies

You're working on a Python project, and after adding a new package, the environment breaks. I...

How to Fix Git 'index.lock' File Exists Error

When you see fatal: Unable to create 'path/.git/index.lock': File exists., G...

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix VSCode IntelliSense Not Working for Node.js

You open a Node.js project in VSCode, start typing process., and get no suggestions....

Docker Container Exits Immediately with Volume Mount – Fixes

You start a Docker container with a volume mount, and it exits immediately – no error, or just a ...

VSCode IntelliSense Not Working for React: Fixes

You open a React component in VSCode, start typing a prop or a hook, and get no suggestions. Inte...