Checklists for software errors, setup, and tool workflows.

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Latest checklists

When using the Python requests library, a common issue is that a request can hang in...

You start a Docker container, but it exits immediately. This is a common issue on Linux. The cont...

You run git clone https://github.com/example/repo.git and after a long pause you get...

If you see an error like fatal: Unable to create 'path/to/repo/.git/index.lock': Fi...

Fix 'python command not found' After Windows Upgrade
After upgrading Windows 10 to 11 (or a major feature update), many users find that typing p...

How to Fix Git Push Rejected: Non-Fast-Forward Merge
You run git push and get: ! [rejected] main -> main (non-fast-forward)