Knowledge base for software setup, errors, and daily tool work.

Understanding and Fixing Git Detached HEAD State

If you've seen the message You are in 'detached HEAD' state in Git, you ...

Fix ERR_NAME_NOT_RESOLVED with ipconfig /flushdns in Chrome

When Chrome shows ERR_NAME_NOT_RESOLVED, it means the browser couldn't trans...

Fixing Python Memory Errors When Generating Large Files

You're running a Python script that generates a large file—maybe a CSV with millions of rows ...

Activate Python Virtual Environment in VS Code

You've created a Python virtual environment but can't get VS Code to use it. The terminal...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix npm run build Failures After npm install

After running npm install, you may find that npm run build fails with c...