GitHub Copilot Mastery — Agent Mode, Extensions, and the AI Pair Programmer

GitHub Copilot has over 20 million users. It is the most widely adopted AI coding tool in the world. But most developers use it as a fancy autocomplete — they type code, Copilot suggests the next few lines, and they press Tab. That is maybe 30% of what Copilot can do. This article covers the rest: Agent Mode, the coding agent that turns issues into PRs, the CLI tool, and the features that make Copilot uniquely powerful for teams. ...

June 20, 2026 · 10 min

Git Tutorial #4: GitHub Workflow — Collaborating with Others

In the previous tutorial, we learned to merge and rebase branches. But everything happened on your local computer. Real projects involve multiple people working together. This is where GitHub comes in. GitHub is a platform that hosts Git repositories online. It lets you share code, review changes, and automate testing. In this tutorial, you will learn to push code to GitHub, create pull requests, and set up basic CI/CD with GitHub Actions. ...

June 12, 2026 · 9 min