Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

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Latest checklists

Fix VS Code Breakpoints Not Hit in Multi-Root Workspace

Fix VS Code Breakpoints Not Hit in Multi-Root Workspace

If you're using a multi-root workspace in VS Code and finding that breakpoints in some folder...

Fix Nginx Redirect Loop After SSL Certificate Install

Fix Nginx Redirect Loop After SSL Certificate Install

You installed an SSL certificate, and now your site redirects in a loop. The browser shows 'E...

How to Bypass pip's Externally Managed Environment Error

How to Bypass pip's Externally Managed Environment Error

When you run pip install on certain Linux distributions (like Debian 12, Ubuntu 23.0...

Prevent Git Index Lock File Creation: Practical Fixes

Prevent Git Index Lock File Creation: Practical Fixes

If you see fatal: Unable to create 'path/to/.git/index.lock': File exists., ...

Fix Python Permission Denied When Installing Packages with Conda

Fix Python Permission Denied When Installing Packages with Conda

You're trying to install a Python package with Conda and see a 'permission denied' er...

Fix 'Python Is Not Recognized as an Internal or External Command'

Fix 'Python Is Not Recognized as an Internal or External Command'

When you type python in the Command Prompt and see 'python is not recognized...