25 May '13, 5pm

Understanding #Ruby Symbols

Posted by kev Fri, 19 Aug 2005 22:11:00 GMT Update 8/25: This post has been translated into korean . Update 12/12: I found a spanish translation today. Symbols in ruby are an enigma. We use them, but many don’t really understand them. So really, what is a symbol? Simply, a symbol is something that you use to represent names and strings. What this boils down to is a way to efficiently have descriptive names while saving the space one would use to generate a string for each naming instance. The Case of Dr. Jones Dr. Jones is a Psycologist. He regularly uses word association tests to diagnose patients and uses ruby to keep track of everything. His first patient, Why, steps up to the plate: Dr J: Red Why : Ruby Dr J: Transportation Why : Rails Dr J: Chunky Why : Bacon Dr Jones creates a hash to store his data: why = {"red" => "ruby", "transportation" => "rails", "chunky" => "b...

Full article: http://glu.ttono.us/articles/2005/08/19/understanding-rub...

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