Randomizzare un array con ruby on rails
Posted on 18. May, 2007 by Administrator in Ruby on rails, tutorials
Questo tutorial ci mostra come randomizzare gli elementi di un array con ruby on rails
# external...
def shuffle(arr)
arr.sort {|a, b| rand <=> 0.5 }
end
# ...or as part of Array
class Array
def shuffle
self.sort {|a, b| rand <=> 0.5 }
end
end




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