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Julius 2013-07-09 21:46:04 +02:00
parent d397132f7b
commit ef62a18ac9
9 changed files with 59 additions and 1 deletions
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9
config/initializers/extensions.rb
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@ -9,4 +9,11 @@ class String
string
end
end
end
end
class Array
def cumulative_sum
csum = 0
self.map{|val| csum += val}
end
end