In a web application you often need to move data between the client (HTML, Javascript) and the server (Ruby, Rails...
...as separate commits or branches. After the review with mentor you can keep the best version and delete the others. Asking for help You're working in a team of...
Rails ships with two separate build pipelines: Sprockets ("asset pipeline") and Webpacker. Webpacker has many more moving parts, but allows...
Goal of this lesson is to understand what middlewares in Rack are good for. Rack Start with these articles:
How do HTTP requests and responses look like? What are HTTP headers? What are they used for?
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The Web Animations API has great browser support, and you should be using it to animate DOM elements from JavaScript...
...Also see here for further examples. Please note: Usually it is preferrable to test behaviour, not method calls. Since the behaviour of both validators is thoroughly tested in their own...