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re-spaceon I spent three months working full time to get a job

In the programmingzen blog, Antonio Cangiano, a ruby programmer and author of several ruby books, there is a post about an interview for a job at IBM in which the question is to explain how the red-black tree algorithm works.

Hey, I googled for it, here it is: http://programmingzen.com/things-ive-learned-from-hiring-int...

re-spaceon I spent three months working full time to get a job

if the numbers are preceded by a space or another symbol your regular expression fails to parse them. You should be more cautious in your assignments.