how to build a complete, real-world application from scratch with Ruby on Rails step by step.
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Learn how to refactor our CSV upload form with ActiveModel::Model to create a tableless form object
Learn how to export records to CSV files
Learn how to upload CSV files and import records from your Rails application
We take a look at the basics of using Ruby's CSV library to import data into your Rails application with a Rake task
An introduction to Ruby on Rails ActiveSupport concerns where we build a Soft Deletable module like the Paranoia gem
Learn how to soft delete records instead of deleting them permanently from your database
Learn how oEmbed works to dynamically grab embed codes from a URL and how we can use fragment caching to make this more efficient
OmniAuth CSRF Protection
Learn how to refactor a complex controller with a bunch of methods into a much cleaner set of code
Dependent Destroy Model Associations
Add background uploads and progress easily with Refile's JS library
Deploying to Heroku
Learn how to upload files with the newest file upload library on the block: Refile
Creating a GitHub Repo to store our code
Learn how to set up polymorphic associations, add comments to your app, and think about the structure of your Rails application
Background Jobs with Sidekiq
Learn how to create simple API tokens for authentication with Devise
Learn how to create forms with multiple submit buttons
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