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Episodes
Single Table Inheritance
Episode #97 9-10-2017 freeLearn to use single table inheritance to allow multiple classes to be stored in the same database table.
Grab Bag of Ruby and Ruby on Rails Tricks
Episode #158 11-4-2018 free CCIn this episode, we look at various tips and tricks.
Polymorphic Associations
Episode #98 9-17-2017 freeAdvancing from Single Table Inheritance, learn how Polymorphic Associations differ and tricks to simplify their usage.
Deleting and Undeleting with Paranoia
Episode #19 10-7-2015 freeWhen your app is using Paranoia, calling destroy on an ActiveRecord object doesn't actually destroy the database record, but just hides it.
Eager Loading with Goldiloader
Episode #30 5-23-2016 freeWouldn'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!
Counter Cache Associations
Episode #78 5-1-2017 freeWhen 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.
Serialized Attributes
Episode #4 7-22-2015 freeStore 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.
Blockchain in Ruby on Rails
Episode #128 4-8-2018 proIn this episode, we look into creating a blockchain as well as proof of work for car maintenance tracker application. Blockchain is used to establish a trust that records have not been tampered with.
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