TemperTemper

Array Difference

Find elements in the first array that are not present in the second array.

Code

General
arr1 - arr2

Parameters

First array

Second array

Server

More Ruby Snippets

Array Frequencies

Count how many times each value appears in an array and return a frequency map.

Array Head

Get the first n elements of an array.

Array Intersection

Find common elements that exist in both arrays.

Array Tail

Get the last n elements of an array.

Array Union

Combine two arrays and remove duplicates to produce a union.

Average Array

Calculate the arithmetic mean of all numbers in an array.