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gdemir/array_shuffle_select.rb

Created March 22, 2012 09:06
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random element select
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array_shuffle_select.rb
array = [3, 2, 4, 6, 8, 9]
n = 3
# 1.9.2 öncesi
array = array.sort {|a, b| rand <=> rand }.slice(0..n - 1)
p array
# 1.9.2
array = array.shuffle.slice(0..n - 1)
p array
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