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並前往https://coderwall.com/p/6avhfa/generate-a-ramdon-string-of-n-length-in-ruby

Generate a ramdon string of N length in Ruby - Coderwall

length = 8 (0..length).to_a.collect { (rand() * 25 + 65).to_i.chr }.join. It generates from A..Z, from ASCII char codes. over 1 year ago ·.

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