Mastering Active Record's SQL Logic and EXISTS Clause: A Workaround Using Includes

Implementing Login Screen in an iPhone App Using TabBarController

Understanding Rails Fields_for and Creating Associated Records in Rails Applications

Finding an Associated Table: Oldest Record Filtering by One of Its Attributes

Troubleshooting Video Playback Issues on iPhone with Ruby on Rails and HTML5

Using Multiple Databases in Rails Applications: A Deep Dive into Database Replicas and Performance Optimization Strategies

Implementing Id Validation in Rails: A Deep Dive into Custom Validation Methods and Error Handling Strategies