Checklists for software errors, setup, and tool workflows.

Fix VSCode Git Authentication Failed on Windows

If you see "Authentication failed" when pushing or pulling in Visual Studio Code on Windo...

Fix VS Code IntelliSense Not Working After Update

After a VS Code update, IntelliSense may stop working—no suggestions, missing completions, or slo...

Fixing Nginx 502 Bad Gateway in Docker: Practical Steps

You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....

Resolving Python Dependency Conflicts with Poetry Lock File

You're working on a Python project managed by Poetry, and after adding or updating a dependen...

Fix VSCode Intellisense Slow or Lagging: Practical Steps

If you notice IntelliSense suggestions appearing with a noticeable delay, or the editor freezes b...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...