Arto Bendiken | Ruby Code SnippetsA small collection of handy one-liners and useful snippets that I've written or collected for Ruby & Ruby on Rails. Sum & Product of an Array How to sum all the numbers in an array, or get the multiplication product of the same numbers, without resorting to an ugly for loop? Ruby's inject to the rescue; this snippet extends the array class with the methods sum and product, which can hereafter be u
