Ruby On Rails Railscasts Pro 22 Eager Loading Revised

Summary

One way to improve performance is to reduce the number of database queries through In this episode I walk you through the internals of the PhantomJS allows us to test JavaScript without going through a browser window. Here I show how to do this using Capybara and ... Celluloid puts an object-oriented spin on multi-threaded development. Here I cover the fundamental features of Celluloid in ... Bullet will notify you of database queries that can potentially be improved through Here you will learn how to get the most out of the Squeel provides a comprehensive DSL for writing SQL queries in This episode continues off of the previous episode on Oh My ZSH showing how to script Z Shell. Here I show how to write a Rake ... Virtual attributes are a clean way to add form fields that do not map directly to the database. Here I show how to handle validations ... Here I show a variety of ways to rewrite a long SQL query using only Active Record and Arel. This includes generating scopes ... Memoization is a convenient way to cache a method's response. Here I show several ways to accomplish this from scratch since ... Here I compare several syntax highlighting solutions and show how to use Pygments in a This episode will show you how to debug a