Practical fixes for tool errors, setup blocks, and workflow issues.

Fix Python Permission Denied When Installing Virtualenv with Pip

When you run pip install virtualenv and see a Permission denied err...

Fix 'Python Command Not Found' in Anaconda on Windows

If you installed Anaconda on Windows but typing python in Command Prompt returns

Git Merge Unrelated Histories: When and How to Use --allow-unrelated-histories

You try to merge two branches and get fatal: refusing to merge unrelated histories. ...

Fix npm ERR! enoent ENOENT: package.json Not Found in node_modules

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

...