to_param method a long with a
find_by_param! method to convert back and forth from URL param to database attributes.
To setup the methods write the following in you model:
Assuming you want to construct the param from the
title attributes. By default a hyphen (-) is inserted between the attributes as a separator.
You can specify another separator in an options hash when defining the param:
acts_as_param(:number, :name, :separator => '_')
Copyright (c) 2009 Molte Emil Strange Andersen, released under the MIT license