Episodes
Database, Model and Scopes
Play
15:36

Database, Model and Scopes

#150 Sep 9, 2018 pro
In this episode, we take a look at some tips and tricks around the database schema and model scopes.

ActiveRecord Callbacks
Play
12:26

ActiveRecord Callbacks

#148 Aug 26, 2018 pro
Callbacks are great for quickly tapping into the object life cycle. However, after a model or an application grows, it will become harder to maintain over time. It is better to extract the responsibility and separate the logic.

Search Encrypted Attributes with Blind Index
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9:04

Search Encrypted Attributes with Blind Index

#139 Jun 24, 2018 pro
Keeping client data protected is important, but once an attribute is encrypted, it becomes difficult to work with it. With Blind Index, we regain functionality on searching and validations.

Blockchain in Ruby on Rails
Play
23:21

Blockchain in Ruby on Rails

#128 Apr 8, 2018 pro
In 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.

Polymorphic Associations
Play
10:31

Polymorphic Associations

#98 Sep 17, 2017 free
Advancing from Single Table Inheritance, learn how Polymorphic Associations differ and tricks to simplify their usage.