Latest Screencasts

Having two gems that require different versions of the same dependency can sometimes cause runtime errors. Yehuda Katz and Carl Lereche have created an elegant solution in the Gem Bundler. Watch this screencast

In this screencast, I cover how to create an admin section with a separate login, and describe how nested controllers work. Watch this screencast

Create a Ruby on Rails Jukebox Application and implement the "permalink" feature instead of the usage of "ID". Taking advantage of the "Counter Cache" you will be able to automatically keep track of the number of Albums asociated with each Artist. The last part spicy up the application with the usage of the Themes plugin for Rails. Watch this screencast

Handling multiple models in a single form is much easier with the accepts_nested_attributes_for method. See how to use this method to handle nested model fields. Watch this screencast

Here I show several of my favorite web applications which I found most helpful as a Ruby developer over the past year. Watch this screencast

At Dev Fu!, we started coding all of our new applications using DataMapper a few months back. For awhile, we were waiting for Rails 3 to be released (which has DataMapper support baked in), but we realized we were preventing ourselves from using a tool that we love (and prefer... Watch this screencast

PHD gives you Passenger-based Heroku-like Deployment. Having been spoiled by Heroku for some time, I love being able to run 2 commands from a git repository to deploy an application: 1 $ heroku create my-app 2 $ git push heroku master If you have Passenger installed on a server, you... Watch this screencast

I wanted to get started with Facebook development, so I made a little badge: Facebook Github Badge In this screencast, I walk through the basics of creating something similar. We … setup a Facebook application get it setup so we can test it (running on our local computer) render HTML... Watch this screencast

MongoDB is a document based database engine. Learn how to access it through MongoMapper in this episode. Watch this screencast

If you want to create a model without a database backend, you simply need to define a couple methods in the model like I show in this episode. Watch this screencast