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https://stackoverflow.com/questions/1538789/how-to-sum-array-of-numbers-in-ruby
array.reduce(0, :+) While equivalent to array.inject(0, :+), the term reduce is entering a more common vernacular with the rise of MapReduce programming models.. inject, reduce, fold, accumulate, and compress are all synonymous as a class of folding functions.I find consistency across your code base most important, but since various communities tend to prefer one word …
https://apidock.com/rails/Enumerable/sum
Flowdock - Team Inbox With Chat for Software Developers. Check out how the team behind APIdock connects Pivotal Tracker, GitHub and group chat to one workflow.Pivotal Tracker, GitHub and group chat to one workflow.
https://guides.rubyonrails.org/active_support_core_extensions.html
Active Support Core ExtensionsActive Support is the Ruby on Rails component responsible for providing Ruby language extensions, utilities, and other transversal stuff.It offers a richer bottom-line at the language level, targeted both at the development of Rails applications, and at the development of Ruby on Rails itself.After reading this guide, you will know: What Core …
https://github.com/rails/rails/pull/27363
Jan 03, 2017 · Here's an alternative implementation of Array#sum. Current Array#sum unwantedly exposes our own internal orig_sum method to the outside world. Ruby 2's probably most unused but useful new feature "Refinements" is provided exactly for this use case to define a perfectly private method that can be accessed only inside this file. I'd like to ask the core members' …
https://github.com/rails/rails/commit/7ad4690b2149fbb23faa179c21698b92ff383c73
Ruby 2.4 introduces `Array#sum`, but it only supports numeric elements, breaking our `Enumerable#sum` which supports arbitrary `Object#+`. To fix, override `Array#sum` with our compatible implement...
https://beginnersbook.com/2014/01/java-program-to-sum-the-elements-of-an-array/
Java program to sum the elements of an array. By Chaitanya Singh Filed Under: Java Examples. In this tutorial we will see how to sum up all the elements …
https://www.tutorialspoint.com/learn_c_by_examples/sum_of_array_in_c.htm
Program to calculate sum of array in C - This program should give an insight of how to parse (read) array. We shall use a loop and sum up all values of the array.
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