Create and manage controllers and actions in Ruby on Rails, and learn how to structure and render responses to user input, using methods like `render`, `redirect_to`, and `render_text`. You'll also discover best practices for keeping your controllers thin and focused, and your actions concise. By the end, you'll be able to confidently build scalable web applications.

Mastering Angular directives, learn how to use structural directives like *ngIf, *ngFor, and *ngSwitch, and attribute directives like ngClass and ngStyle to create dynamic and interactive templates in your Angular applications.

Learn how to use the Fetch API to make HTTP requests and handle API responses in modern JavaScript. Discover how to handle different response types, parse response data, and add custom headers and query parameters. Improve your web development skills with practical takeaways and example scenarios.