Latest Free Screencasts (page 3)

The decent_exposure gem makes it convenient to share controller data with the view through methods instead of instance variables.

In preparing to show off SASS, I found the Compass system, which uses SASS and organizes your stylesheets in a unique way. In this tutorial, I walk you though installing compass, installing the 960 grid system, and organizing your SASS stylesheets in an intelligent way. One note, I couldn’t remember the URL for the 960 [...]

With the jQuery Tokeninput plugin it is easy to add an autocompleting list of entries for a many-to-many association.

In this screencast we'll create a URL shortener in Ruby with Sinatra. We're going to show you how to integrate ActiveRecord with a Sinatra application. You'll need this regular expression to follow along: /^\b((?:https?:\/\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))$/ What you'll learn How to integrate ActiveRecord in to Sinatra with sinatra-activerecord How to build a...

Request specs in RSpec are a great way to ensure the entire application stack is working properly. Here I also show how to use capybara with integrated JavaScript testing using Selenium.

To mark AJAX's birthday on 18th March, we've put together a screencast to show you how to create your very own AJAX-updating countdown website for the big day. We're using Haml, Sinatra and jQuery to do this and recommend you look at our introduction videos if you're not familiar with...

Jonathan Badger explores Newick format trees, and how to manipulate them using his Newick-ruby gem. Bonus content: download the slides from this talk.

Welcome to the Introduction to Sinatra screencast. You may also be interested in our Introduction to Haml screencast, as we will be using some Haml in this video. You might be surprised to find out that if you search on Google for “Sinatra”, the first result is not Ol’ Blue...

In this video tutorial we’ll cover how to use Haml in a new Rails project, how to integrate it into an existing project, and how to convert any pre-existing ERB templates into Haml. If you’re new to Haml, we recommend you first watch our Introduction to Haml screencast. Links Introduction...

If you need pagination in Rails 3 try out Kaminari. It is a clean, flexible solution which uses scopes to flow nicely with Active Record queries. Did I mention it also works with Mongoid?