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

Python Virtual Environment Not Activating on Mac: Fixes

You open Terminal, run source venv/bin/activate, and nothing happens—or you get an e...

Node.js --max-old-space-size Setup Guide for Memory Issues

If your Node.js process crashes with a JavaScript heap out of memory error, you likely need to ad...

Recover Lost Changes After Git Detached HEAD

You've made several edits, then checked out an old commit or tag, and now Git says you're...

Git Merge Conflict: How to See the Diff Between Versions

When you run git merge and hit a conflict, Git pauses and marks the conflicting file...

Fix Git Merge Conflicts When Stash Changes Are Involved

You're mid-merge, and Git tells you there's a conflict. But you also have stashed changes...

Handling Python Memory Errors with Large File Chunking