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    Single Table Inheritance
    Play

    Single Table Inheritance

    #97 Sep 10, 2017 free

    Learn to use single table inheritance to allow multiple classes to be stored in the same database table.

    rails model
    31 4

    Grab Bag of Ruby and Ruby on Rails Tricks
    Play

    Grab Bag of Ruby and Ruby on Rails Tricks

    #158 Nov 4, 2018 free

    In this episode, we look at various tips and tricks.

    development rails model ruby json dev
    30 6

    Polymorphic Associations
    Play

    Polymorphic Associations

    #98 Sep 17, 2017 free

    Advancing from Single Table Inheritance, learn how Polymorphic Associations differ and tricks to simplify their usage.

    rails model
    24 4

    Deleting and Undeleting with Paranoia
    Play

    Deleting and Undeleting with Paranoia

    #19 Oct 7, 2015 free

    When your app is using Paranoia, calling destroy on an ActiveRecord object doesn't actually destroy the database record, but just hides it.

    rails view model
    5 0

    Like Relationships and Global ID
    Play

    Like Relationships and Global ID

    #223 Jan 5, 2020 free

    In this episode we create a Like/Unlike system where users can like posts and use Global ID to obfuscate IDs.

    rails model routes controller
    16 6

    Counter Cache Associations
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    Counter Cache Associations

    #78 May 1, 2017 free

    When displaying a count of records, this will generate extra SQL Queries. Learn how to reduce the number of SQL queries called with counter caching the number of associated records.

    rails model cache
    8 3

    Eager Loading with Goldiloader
    Play

    Eager Loading with Goldiloader

    #30 May 23, 2016 free

    Wouldn't it be awesome if ActiveRecord didn't make you think about eager loading and it just did the "right" thing by default? With Goldiloader it can!

    rails performance model
    10 2

    Serialized Attributes
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    Serialized Attributes

    #4 Jul 22, 2015 free

    Store multiple attributes and values using a text column. Not for everyday use, but has situations where it can save on the number of columns and/or models needed to accomplish a task.

    rails model
    10 1

    Roles from Scratch
    Play

    Roles from Scratch

    #352 Jun 5, 2022 free

    In this episode, we look at different authorization approaches from the most simple to more complex scenarios.

    rails model authorization
    6 4

    Annotate
    Play

    Annotate

    #11 Aug 7, 2015 free

    With strong params replacing attr_accessible, a difficulty has arisen with referencing to the structure of your models. With annotate, we can generate the structure of our models in the comments of our models.

    rails model documentation
    6 0

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