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Cross-origin Resource Shari...
Setup your development environment.
Configure your production server.
Learn how to modify production to run websockets.
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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