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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A look at how you can store API keys and other variables in the environment on different computers.
Techniques for installing Ruby and managing different versions between applications
A look into the files and folders inside every Rails application and how they fit together
A glimpse into the "magic" behind the params hash and the various ways it gets populated
Using instance variables we can send data between controllers and views and take a look at how that works
Use the merge method to prevent duplication of ActiveRecord scopes when you're querying across different models
A look at how to supercharge your debugging and solve errors faster than ever
Techniques for taking your database models and using attributes to generate pretty urls
A look into how pagination works from scratch and how to use will_paginate
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