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Learn how to set up GitHub ...
Setup your development environment.
Configure your production server.
Learn how to modify production to run websockets.
We take a look at the basics of using Ruby's CSV library to import data into your Rails application with a Rake task
Learn how to soft delete records instead of deleting them permanently from your database
Learn how to refactor a complex controller with a bunch of methods into a much cleaner set of code
Learn how to upload files with the newest file upload library on the block: Refile
Learn how to set up polymorphic associations, add comments to your app, and think about the structure of your Rails application
Learn how to create forms with multiple submit buttons
Learn how to use Omniauth And omniauth-twitter to let your users authorize and connect to the Twitter API using their Twitter account with your Rails app
Learn how to send email notifications to users with Rails 4.2 ActionMailer, deliver_later, and email previews
Learn how to use accepts_nested_attributes_for and fields_for to create forms that include associated models in them
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