title: How to implement a jQueryUI sortable list performing AJAX HTTP requests?
body: <p>I am using Ruby on Rails 3.1.1 and jQueryUI 1.8.14. I would like to implement a <a href="http://jqueryui.com/demos/sortable" rel="nofollow">jQueryUI sortable list</a> and to save related item position changes in my application database. To implement\make that <em>I am planning to perform an AJAX HTTP request</em> (of course, including proper information\data in order to correctly make that effective\easy as well as possible) <em>each time an user changes an item position</em>.</p>
  
  <p><strong>How to perform an AJAX HTTP request when the item order changes? What data do you advice to consider\send through the AJAX HTTP request?</strong></p>