Teach Me To Code » Screencasts (iPhone/iPod)

Sinatra has a really nice DSL. You can fake the basics of the DSL with some simple Rack middleware created by metaprogramming.

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Rack is the basis for most major web frameworks in Ruby (like Ruby on Rails.) This video gives a basic overview on how it is used and what features make it a powerful component for Ruby Web Frameworks

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This is the continuation of the Rails 3 Build a Blog series. This episode includes implementation of the Edit and Destroy methods on the Posts Controller. There are a lot of things left to cover on Rails 3, but this gets you the basics of the MVC framework and how to use Cucumber to build your application using BDD.

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In this screencast, I show you how to generate the api and guides for offline viewing.

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This video goes over some issues that popped up while upgrading a Rails 3 application to the Release Candidate

This video goes over some issues that popped up while upgrading a Rails 3 application to the Release Candidate.

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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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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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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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RSpec gives us many powerful tools to make our tests readable. Matchers allow us to provide custom predicates to our should statements that succinctly define the behavior of our code.

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This is an introduction to Ruby metaprogramming where I cover two different ways to define a method. The idea actually started as a joke, but there are valuable lessons to be learned here.

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