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Mocks are a handy tool for ...
Setup your development environment.
Configure your production server.
Learn how to modify production to run websockets.
Add onboarding steps for new users and show their completion progress so they can check items off the list, learn how your product works, and get the most out of it.
Ever wondered what the difference between Symbols and Strings were? Why would we use one over the other when most languages only have strings?
Adding user avatars is pretty easy using Rails' ActiveStorage feature. We'll be using Devise in this example, but this applies to any user authentication system.
See how different approaches can affect the code you write using FizzBuzz as an example
Using instance variables we can send data between controllers and views and take a look at how that works
A glimpse into the "magic" behind the params hash and the various ways it gets populated
A look into the files and folders inside every Rails application and how they fit together
Techniques for installing Ruby and managing different versions between applications
A look at how you can store API keys and other variables in the environment on different computers.
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