String inflections define new methods on the String class to transform names for different purposes. For instance, you can figure out the name of a database from the name of a class.

"ScaleScore".tableize # => "scale_scores"
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January 15, 2009
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@ncancelliere - Instead use constantize which is provided as part of ActiveSupport. It is much easier. So:

January 15, 2009 - (v1.2.6 - v2.2.1)
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Convert String to Class

this example shows how you can take a string and # make it a class and then send it a method