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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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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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Shoulda is a framework that sits on top of Test::Unit and adds a ton of nice features like macro’s, nested context, and the ability to create custom tests in a block-based DSL.
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Maintainability of your code can be measured in many different ways. Jake Scruggs has combined several of the tools that measure you code into one Ruby Gem: metric_fu.
Here’s a demonstration. Go check it out!
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Ruby on Rails allows you to nest models within a form. Ryan Bates of Railscasts demonstrated how to set up these forms with JavaScript using the Prototype framework, which ships with Rails.
In this episode, Charles Max Wood gives a brief overview of how Ryan’s code works, and then refactors the JavaScript to use JQuery.
Ryan Bates demonstrated how to build a form with nested attributes in Ruby on Rails with Prototype. This screencast demonstrates how to refactor that form into usage of jQuery.
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RVM is a program that allows you to install and manage multiple versions of Ruby and Gems. This setup is ideal for testing your application or gem (library) against multiple versions of Ruby.
Also, if you’re looking into Rails 3 on Ruby 1.9 this is a great way to try it out.
Are you thinking about moving your application to Ruby 1.9? Do you have a gem or plugin you need to test in multiple Ruby versions?
RVM is your tool. It allows you to manage and install multiple Ruby versions and the gems installed under each version.
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Anybody can learn to write code. The hard part is solving problems, not typing commands. This means that learning to program is a mental exercise followed by its interpretation into code.
TeachMeToCode.com is about helping you learn to think about problems and how to write code once you've figured out what you want. Sign up for the mailing list, watch a video, listen to the podcast, or read an article to get started.
