Checklists for software errors, setup, and tool workflows.

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Fix Git 'index.lock' File Exists Error in IntelliJ

If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

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

Fix Git Detached HEAD State in Visual Studio Code
You open your project in Visual Studio Code, check the Git graph or status bar, and see something...

Fix Git Push Rejected Non Fast Forward Error
When you try to push commits to a remote repository and see “rejected – non-fast-forward”, it mea...

Fix 'docker network not found' After Prune
If you run docker network prune and later see errors like network not found

How to Re-enable IntelliSense in VS Code When It's Disabled
If IntelliSense suddenly stops working in Visual Studio Code—no suggestions pop up as you type, o...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git 'index.lock' File Exists Error in IntelliJ

Git Detached HEAD Warning Explained: Causes and Fixes

Fix Git Detached HEAD State in Visual Studio Code

Fix Git Push Rejected Non Fast Forward Error

Fix 'docker network not found' After Prune

How to Re-enable IntelliSense in VS Code When It's Disabled

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