Explaining magic behind popular Ruby code
Explore the Ruby code behind popular solutions to learn how they were created
Counting things in Active Record
Seemingly it may seem that counting records in the database with ActiveRecord is straightforward. In reality, it looks more complex.
Cable Ready - use websockets in Rails app without custom JavaScript
For those who likes Action Cable but hate writing JavaScript
Rails value object design pattern
Isolate your business logic and make the code testable
