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Latest Screencasts (page 7)

Ruby’s Enumerable Module: The Inject Method

Teach Me To Code - 2010-07-16 - free

Quick Ruby Tip: The inject method is useful for aggregating data across a dataset. For example a summation could be done with inject (by aggregating each number into the sum.)

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Converting HAML to ERB with Vim macros

Vimcasts - 2010-07-08 - free

HAML and ERB are two commonly used ruby templating languages. You may have a strong preference for one or the other, but it’s not always up to you which one you use. I was recently asked to convert several HAML files to ERB format. In this episode, I will demonstrate a couple of Vim macros that helped make short work of the task.

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The second part of the tutorial for building a blog with Ruby on Rails version 3. We demonstrate how to set up some basic routes, manage the controller and views, and create a basic form for creating posts.

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RailsCasts #220 PDFKit

Railscasts - 2010-06-28 - free

Generating PDFs in plain Ruby can be a lot of work. Instead, consider generating PDFs from HTML using PDFKit.

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Every good project needs a good setup. In this episode, I set up a github repo, create a new rails application, hook in Cucumber and Rspec, write a Cucumber feature, and write the code to make it pass.

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RailsCasts #219 Active Model

Railscasts - 2010-06-21 - free

In Rails 3 the non-database functionality of Active Record is extracted out into Active Model. This allows you to cleanly add validations and other features to tableless models.

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Ruby on Rails 3 Intro

Rails3 - 2010-06-10 - free

Gregg Pollack of Envy Labs introduces Ruby on Rails 3 By rails3 Tags : 3, on, rails, ruby

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Gregg Pollack introduces Rails 3 and Action Dispatch By rails3

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Rails 3 ships with Bundler, a Ruby library that makes DependencyManagement a painless process. In this video we learn Bundlerbasics and take a look at the new Action Mailer syntax. By rails3 Tags : on, rails, ruby

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Active Relation gives you a more powerful syntax for pulling datainto your application. We'll learn about the new syntax anddiscover how to leverage Active Model to enhance our plain old Rubyobjects. By rails3 Tags : 3, ActiveModel, ActiveRelation, Rails, Rails3, Ruby on Rails, active, model, rails, relation

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