Checklists for software errors, setup, and tool workflows.

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Latest checklists

You set a breakpoint in VS Code while working in a remote environment—SSH, container, or WSL—but ...

You try to merge two branches in Git, and get fatal: refusing to merge unrelated histories<...

Fix Python UnicodeDecodeError When Parsing JSON
You're parsing a JSON file in Python and hit UnicodeDecodeError: 'utf-8' codec ...

Fix Git Push Rejected Non-Fast-Forward After Pull
You run git pull, then git push, and get: ! [rejected] non-fast-f...

How to Fix Nginx Upstream Connection Refused Error
If you're seeing upstream connection refused in your Nginx error logs, it usuall...

Fix Git Clone Connection Timed Out via HTTPS
When cloning a repository over HTTPS, you may see 'Connection timed out' after a long wai...