Software comparisons, alternatives, and tool decision notes.

How to Allow Unrelated Histories in Git Merge

If you see the error fatal: refusing to merge unrelated histories when running

Fix Nginx 502 Bad Gateway in Docker Alpine

You have an Nginx container running on Alpine Linux, and it returns a 502 Bad Gateway. This usual...

How to Fix Git Detached HEAD and Checkout a Branch

You're working in a Git repository, make some commits, and then realize you're in a '...

How to Merge Two Git Repositories with Unrelated Histories

You have two separate Git repositories that you now want to combine into one. Perhaps you acquire...

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

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

fatal: Unable to create &#...

Fix Git Authentication Failed in VS Code on Mac

If you see "Git authentication failed" when pushing or pulling in VS Code on a Mac, the p...