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JonCrawford/random_elements.rb

Created July 29, 2010 00:30
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random_elements.rb
def random_elements(arr, num_items)
el = arr.dup
results = []
num_items.times{results << el.delete(el[rand(el.size)])}
return results
end
random_elements((1..10000).to_a, 25)
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