How to build a complete, real-world application from scratch with Ruby on Rails step by step.
A lot of Ruby code is "magic". We'll explain the magic and see how it works using the powerful tools Ruby gives us.
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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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