Git

Introduction Git has become the de‑facto standard for source‑code version control, and most developers are familiar with its core commands: clone, checkout, branch, merge, and the like. Yet, as projects grow and teams adopt more sophisticated workflows, the limitations of a single working directory become apparent. Switching branches repeatedly, juggling multiple feature branches, or maintaining parallel builds can be cumbersome, error‑prone, and time‑consuming. Enter Git worktrees—a powerful, built‑in mechanism that lets you check out multiple branches (or commits) simultaneously, each in its own separate working directory, while sharing a single .git repository. In this article we will: ...

What is SSH in Simple Terms? Think of SSH keys like a secure key and lock system for your computer to talk to GitHub: Private Key = Your actual house key (keep it secret!) Public Key = A copy of your lock that you give to GitHub When you connect, GitHub tests your key in their lock - if it fits, you’re in! Step-by-Step Setup (5 minutes) 1. Create Your SSH Key ssh-keygen -t ed25519 -C "your_email@example.com" # Press Enter 3 times (uses default locations, no password) # Creates two files: id_ed25519 (private) and id_ed25519.pub (public) 2. Add Key to SSH Agent # Start the SSH agent eval "$(ssh-agent -s)" # Add your private key ssh-add ~/.ssh/id_ed25519 3. Add Public Key to GitHub # Copy your public key to clipboard cat ~/.ssh/id_ed25519.pub | pbcopy # macOS # OR cat ~/.ssh/id_ed25519.pub | xclip -selection clipboard # Linux Then: ...