Latest Paid Screencasts

A polymorphic association allows a model to belong_to different types of other models. Here I show how to make a single comment model belong to articles, photos, and events.

Meteor is a JavaScript framework for building rich client-side applications. Here I re-create the Raffler app to compare with Backbone.js and Rails. Meteor may not be related to Rails, but I think many will find it interesting.

Here I compare several syntax highlighting solutions and show how to use Pygments in a Rails app. I also show how to integrate it with Markdown and add caching.

Rails is a modular framework allowing you to include only what you need. Here I show how the smallest Rails app works, and then I take a look at how to whittle down a full Rails application stack.

The Chosen plugin makes it easy to turn a many-to-many select menu into a searchable token field. Then see how the jQuery Tokeninput field can help with AJAX loading and creating new records.

Deploying to Amazon EC2 allows you to scale an application quickly. Learn how to use Rubber to deploy to the cloud with just a few commands and monitor the cluster with various web tools.

Thanks to Action Mailer, sending email in Rails is easy but there are several gotchas to be aware of. Here I show how to send an email upon submitting a form and the configuration options necessary.

With hstore you can add schema-less data to PostgreSQL. This allows you to store model attributes without creating separate database columns. Watch how to do this using the activerecord-postgres-hstore gem.

Handling multiple models in a single form is easy with accepts_nested_attributes_for. Here you will also learn how to add and remove nested records through JavaScript.

Postgres offers full-text searching right out of the box. This episode shows how to write queries from scratch, apply tools like Texticle and pg_search, and optimize performance through indexes.