Curated list of episodes, bundled to help you on your learning path!
Videos of tech, infrastructure, hardware and software which non-instructional by nature.
Articles around software and tutorials.
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Learn to use single table inheritance to allow multiple classes to be stored in the same database table.
In this episode, we look at various tips and tricks.
Advancing from Single Table Inheritance, learn how Polymorphic Associations differ and tricks to simplify their usage.
When your app is using Paranoia, calling destroy on an ActiveRecord object doesn't actually destroy the database record, but just hides it.
In this episode we create a Like/Unlike system where users can like posts and use Global ID to obfuscate IDs.
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.
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!
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.
In this episode, we look at different authorization approaches from the most simple to more complex scenarios.
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.