Checklists for software errors, setup, and tool workflows.

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Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Using Git LFS Migrate on an Existing Repository

If you have a Git repository that already contains large files—like binaries, archives, or datase...

How to Recover from a Detached HEAD in Git After a Rebase

You're in the middle of a rebase, you see a message like 'detached HEAD', and you'...

VS Code Debugger Not Hitting Breakpoints in Node.js: Fixes

You set breakpoints in your Node.js code, start the debugger, and the execution runs straight thr...

Fix 'Python' Command Not Found in Windows 10 64-bit

You open Command Prompt, type python, and see 'python' is not recogniz...

Fix VS Code Git Auth Failed with Personal Access Token
If you're using a personal access token (PAT) for Git authentication in VS Code and seeing &#...