ActiveRecord Episodes - Ruby on Rails Screencast Tutorials | GoRails

Liking Posts

Sep 15, 2014 Pro

Add liking or favoriting to your app like Facebook or Twitter

97

Comments With Polymorphic Associations

Dec 19, 2014

Learn how to set up polymorphic associations, add comments to your app, and think about the structure of your Rails application

99

Dynamic Nested Forms with Stimulus JS

Feb 07, 2019 Pro

Don't like Cocoon or it's jQuery dependency? We can use Stimulus JS and build dynamic nested forms in Rails with accepts_nested_attributes_for from scratch pretty easily!

37

Preferences & Settings with ActiveRecord::Store

May 31, 2017 Pro

Use ActiveRecord::Store and ActiveRecord-TypedStore to save user preferences and settings to a single column in the database

25

Querying Named Scopes Across Models with ActiveRecord::Relation#merge

Jul 03, 2014

Use the merge method to prevent duplication of ActiveRecord scopes when you're querying across different models

9

Charts with Chartkick and Groupdate

Jun 19, 2017

Add various types of charts to your Rails app with Chartkick and use Groupdate to make easy group queries in SQL

5

Pretty urls with FriendlyID

Jul 07, 2014

Techniques for taking your database models and using attributes to generate pretty urls

26

@mentions for Users with ActionText in Rails 6

Mar 11, 2019

Mentioning Users with an @mention is a super common feature. Trix and ActionText are now part of Rails 6 which means we can very easily add support for tagging users with @mentions and other custom attachments in your applications.

3

Forum Series Part 1: Architecture

Sep 24, 2014

The first part of the Forum series, we talk about how the database and structure of the forum is designed

19

The State_Machine Gem

Aug 20, 2015

Learn how to use the state_machine gem to keep track of objects in your Rails apps

10

ActiveRecord Explain

Feb 16, 2017

Learn how to use ActiveRecord Explain to analyze your SQL queries generated by ActiveRecord

3

Drag and Drop sortable lists with Rails & Stimulus JS

Apr 28, 2020

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

23

Scheduling Posts

Aug 26, 2015 Pro

Learn how to schedule posts in draft, published, and scheduled modes

7

Atomic Updates And Performance with ActiveRecord Transactions

Feb 06, 2017 Pro

Learn how to use ActiveRecord Transactions to create atomic updates across multiple records and to improve the speed of bulk operations

3

Nested Comment Threads in Rails - Part 1

Sep 12, 2018 Pro

How to build nested comments and threads in Ruby on Rails

37

How to Test Validations in Rails

Sep 05, 2019

Learn how to write tests for validations on ActiveRecord objects in Ruby on Rails

2

Soft Delete with Paranoia

Feb 05, 2015

Learn how to soft delete records instead of deleting them permanently from your database

19

Pair Programming on Rails Scopes

Jul 06, 2015

James from Shakycode and I pair program on some common model scopes related to time and how we would approach them

10

Forum Series Part 3: Nested Attributes and fields_for

Oct 09, 2014

Learn how to use accepts_nested_attributes_for and fields_for to create forms that include associated models in them

30

Virtual Attributes And Attribute API

Dec 30, 2015

Learn how you can use virtual attributes to make forms cleaner and how the Rails 5 attribute API can save you a bunch of time

17

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