Web Reference: Master every Ruby array method with practical examples. Covers creating, accessing, searching, transforming, sorting, and iterating arrays plus performance tips and common idioms. 4,009 views • May 4, 2014 • Ruby Tutorial for Beginners, Ruby programming tutorials Oct 14, 2012 · Good explanation of creating a 2D array but I does not seem to answer the second part of the question about iterating the 2D array. Currently, the full answer means you should read both this and simonmenke answers - which may be confusing.
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