Latest Screencasts (page 13)

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...

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...

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...

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

Learn how to spawn background processes using Ruby and the Process class. Here we discuss the difference between ‘wait’ and ‘detach’.

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.

Forms are crucial to how users interact with your site. You can slap a form on a web page in record time with Rails, but basic forms just get you by. For a better user experience, you'll want to customize your forms and create interplay between your models. Learn how to take your forms to the next level from Ryan Bates, one of the most experienced Rails programmers (and screencasters) in the community.

CanCan is a simple authorization plugin that offers a lot of flexibility. See how to use it in this episode.

This is the third and final episode on introduction to MongDB. In this screencast, we demonstrate MongoMapper and how to use it in a Rails app.

Mechanize extends the power of Nokogiri allowing you to interact with multiple pages on the site: click links, submit forms, etc.