arrays code snippets in ruby

add an element to the end of an array in ruby

check if array is empty in ruby

check if array is not empty in ruby

concatenate two arrays in ruby

count instances of an element inside an array in ruby

count words in array in ruby

create a csv file in ruby

find all the strings matching ‘tony’ in an array of strings, then return how many there are. if there are none then return nil in ruby

find the average of a list of numbers in ruby

find the index of an element in an array in ruby

find the kth largest element in an array in ruby

find the kth largest key in a map in ruby

find the kth longest word in a string in ruby

find the kth most common element in an array in ruby

find the kth smallest element in an array in ruby

find the last element in an array in ruby

find the length of an array in ruby

find the median of a list of numbers in ruby

find the median of all elements in an array in ruby

find the median of all keys in a map in ruby

find the mode of a list of numbers in ruby

find the range of all elements in an array in ruby

find the standard deviation of all elements in an array in ruby

get a sample of 5 elements from an array in ruby

insert an element into an array at a specific index in ruby

iterate an array of strings with index in ruby

iterate over an array of strings with index using the map function in ruby

join an array of substrings into a string in ruby

remove an element from an array at a specific index in ruby

remove an element from the beginning of an array in ruby

remove an element from the end of an array in ruby

remove an element from the middle of an array in ruby

reverse an array in ruby

shuffle an array in ruby

split a string into an array of substrings in ruby