Checklists for software errors, setup, and tool workflows.

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3. Apply

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Latest checklists

If you see a 'permission denied' error when running pip install somepackage ...

You start your computer, launch your usual apps, and the programs are running—you can see them in...

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

Fix 'git pull failed index.lock file exists' Error
When running git pull, you may see an error like:
fatal: Unable to create &#...

Git Detached HEAD Warning Explained: Causes and Fixes
You see a warning: "You are in 'detached HEAD' state." This happens when you chec...

Fix Permission Denied Error When Using pip Install on Mac
When you run pip install on macOS and see a 'permission denied' error, it us...