Latest Free Screencasts

Edit an attribute in-place without leaving a page using the Best In Place gem. Learn how to add validations and support for various field types.

Mercury allows you to edit a section of HTML directly in the web browser through a WISYIWYG editor. Here I show how to integrate Mercury into a Rails app and save the changes back to the database.

CoffeeScript allows you to write JavaScript in a concise, elegant fashion. Here I convert JavaScript code to CoffeeScript in a Rails 3.1 app.

Showing validation errors inline as the user is filling out the form can lead to a better use experience. Learn how to do this using the Client Side Validations gem.

Are you testing your JavaScript? Learn how to add specs using Jasmine. This episode also covers jQuery integration with jasmine-jquery.

The new pushState function in JavaScript allows us to change the full URL with AJAX. This means the back button, reloading, and bookmark support can be easily added.

There are a number of libraries to help create graphs. Here I show how to integrate Highcharts into a Rails app.

Keep JavaScript out of your HTML content with unobtrusive JavaScript. Here I show how Rails 3 works with this best practice.

Present a slick user interface for cropping image attachments using Jcrop and Paperclip.

Browser page history and bookmarks do not usually work with AJAX requests, but in this episode I show you how to remedy this problem using a simple jQuery plugin.