Checklists for software errors, setup, and tool workflows.

Fix Python Venv Not Activating in PowerShell

You open PowerShell, navigate to your project, and run venv\Scripts\activate but not...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

Resolving Git Merge Conflicts in Binary Files

You're merging branches and Git reports a conflict in a binary file. Unlike text files, you c...

How to Fix Git Push Rejected Non-Fast-Forward Error

When you run git push and see “rejected – non-fast-forward”, it means your local bra...

Fix npm 'package.json not found' Error in Subdirectories

You're working in a subdirectory of your project, run npm install or npm r...