Latest Paid Screencasts

Allow users to interactively crop uploaded images using Jcrop and Carrierwave. Includes a live preview that shows the resulting image.

Rails 3 is possibly the most anticipated release of the popular Ruby web framework. It’s been rewritten from the inside out with speed and stability at the forefront. However, these extensive internal and syntactical improvements require some changes to your code and plugins. Respected Rubyist Jeremy McAnally has researched and...

The latest version of Ruby on Rails (the most famous Ruby web application framework) is just around the corner. Rails 3 is a major refactoring of the entire codebase. This upcoming version includes a bunch of new features, most of which are the result of merging with the Merb framework....

HTTP is one of the most popular web protocols. A solid knowledge of HTTP is fundamental for internet software developers. This introduction is aimed at those who are interested in knowing the essentials of HTTP, the kind of network architecture it's based on, the operations it allows, and how the...

The Cucumber behavior-driven development framework is appreciated by developers from many languages. It makes it easy to write plain-text stories that run executable Ruby code against your application. In this hour and ten minute screencast, you’ll learn the basics of Cucumber. You’ll learn the syntax, organization, and philosophy of writing...

PeepCode Meet jQuery quickly became our fastest-selling title of all time. In this screencast, we explore the Ajax features of the popular jQuery JavaScript framework. We start simply with the transfer of HTML fragments in only one line of code. You’ll learn about the convenience methods in jQuery and then...

Coders tend to like minimalist blogging engines. Give a developer something that processes a directory of markdown and textile files and they’re usually happy. In the Ruby world, we have LOTS of platforms for doing this: Jekyll is a popular platform that’s actually built into Github Toto was just announced...

Rack::Payment lets you add 5 lines of code to your Rails (or any Rack-based) application and you can start accepting single payments! Let’s say you have an online store and you want to accept credit card payments. You can require rack-payment in your application: 1 # config/environment.rb 2 3 Rails::Initializer.run...

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...