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How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte

You're running a Python script and suddenly see:

Fix Python Permission Denied When Installing Packages on Mac

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

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Fix npm install Permission Denied Errors on package.json

You run npm install and get a permission denied error that mentions package.js...