http://jasonseifer.com Mon, 30 Jan 2012 14:41:28 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 http://jasonseifer.com/2009/03/03/ruby-hash-trickery http://jasonseifer.com/2009/03/03/ruby-hash-trickery#comments Tue, 03 Mar 2009 20:10:46 +0000 Jason http://jasonseifer.com/?p=159 Ilya Grigorick put up a pretty cool pastie showing a neat hack to make Ruby hashes raise errors with invalid keys:

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