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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Expert advice on keeping Rails apps organized and fast.
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A few of the Open Source projects we do at GoRails.
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Learn how to use the Trix editor for editing wysiwyg content and upload attachments like images using Javascript and Shrine
Learn how to use the state_machine gem to keep track of objects in your Rails apps
Learn how to improve the speed of your database queries by adding database indexes to your tables
Learn how to use ActiveRecord Explain to analyze your SQL queries generated by ActiveRecord
Sidekiq Pro or sidekiq-batch lets you run a set of background jobs in parallel and then a callback once they're finished. This is perfect for building more advanced workflows for your background jobs in Rails.
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.
Learn how to link to the current page and add, remove, or modify params in the URL. This is handy for things like search or index pages with filters.
Rails's webpacker gem makes it super easy to load both Bootstrap's CSS and JS into your Rails app using webpack
Select a record or create a new one for an association in a form using the Selectize.js library
Tracking business metrics can be time consuming and costly but the Ahoy gem lets you easily track metrics and Blazer makes it incredibly easy to analyze your data
Need to dynamically update fields when a user changes a select box? We can do that easily in Rails using Hotwire's Turbo Stream actions.
Drag and drop sortable lists in Rails aren't too hard using Sortablejs and Stimulus to make wire them up to our backend with acts_as_list
Learn how to refactor a complex controller with a bunch of methods into a much cleaner set of code
Learn how I design GoRails for speed and performance on all layers of the stack
Ever wondered what the difference between Symbols and Strings were? Why would we use one over the other when most languages only have strings?
Learn how to send messages between users with the Mailboxer gem
Learn how to use counter caches in your Rails app
Use memoization to your advantage to cache results in memory to improve speed
Learn how to use HTTParty to consume an API and package your library into a gem
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
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