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Pastable version of Recreating a list with acts_as_list

<pre class='prettyprint' language='ruby'>class Page &lt; ActiveRecord::Base def assigned_widgets=(string) array = string.split(',') self.widgets.clear 1.upto(array.size) do |i| w = Widget.find(array[i-1]) w.position = i self.widgets &lt;&lt; w end end</pre> <a href="http://www.refactormycode.com/codes/357-recreating-a-list-with-acts_as_list" style="color:#fff" title="As seen on RefactorMyCode.com"><img alt="Small_logo" src="http://www.refactormycode.com/images/small_logo.gif" style="border:0" /></a>