Checklists for software errors, setup, and tool workflows.

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Git Fatal: Refusing to Merge Unrelated Histories – Workaround

You try to merge two Git branches and get this error:

fatal: refusing to merge unre...

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

Debugging Jest Tests in VS Code: Breakpoints Not Hit
You set a breakpoint in a Jest test file, start debugging, and the test runs to completion but th...

Fix Git Push Rejected Non Fast Forward Branch Error
If you see ! [rejected] and non-fast-forward when running git pus...

Fix VS Code IntelliSense Not Showing Suggestions
You're typing code in VS Code, expecting autocomplete suggestions, but nothing appears. This ...

Fix npm ERR! enoent ENOENT: package.json Missing in Project
When you see npm ERR! enoent ENOENT: no such file or directory, open '.../package.json&...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Git Fatal: Refusing to Merge Unrelated Histories – Workaround

Git Detached HEAD Warning Explained: Causes and Fixes

Debugging Jest Tests in VS Code: Breakpoints Not Hit

Fix Git Push Rejected Non Fast Forward Branch Error

Fix VS Code IntelliSense Not Showing Suggestions

Fix npm ERR! enoent ENOENT: package.json Missing in Project

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