array code snippets in ruby

250741 is what i want to convert to an int array in ruby

add an element to the beginning of an array in ruby

create a function that appends text to a string from an input array in ruby

create a matrix in ruby

create an array with every book of the bible in it in ruby

example of a function that takes only the first two elements of an array and joins their indexes as an integer in ruby

explain `.sum(0, &cols.method(:[])).to_i` in ruby

explain `e = (1..3).chain([4, 5]) e.to_a #=> [1, 2, 3, 4, 5]` in ruby

find the average of all elements in an array in ruby

find the first element in an array in ruby

find the greatest common divisor of a list of numbers in ruby

find the kth largest number in a list in ruby

find the kth least common element in an array in ruby

find the kth least frequent element in an array in ruby

find the kth most frequent element in an array in ruby

find the kth smallest number in a list in ruby

find the largest element in an array in ruby

find the least common multiple of a list of numbers in ruby

find the mode of all elements in an array in ruby

find the range of a list of numbers in ruby

find the sum of all elements in an array in ruby

find the variance of a list of numbers in ruby

fix this: class flattenarray def self.flatten(ar) return [] if ar.all?(&:nil?) ar.compact! if ar.include?(nil) ar.flatten end end in ruby

for this array: [{p:10, n:"m", size: {s: 7, m: 2}} how to display only the 'size'? in ruby

generate a random array in ruby

get a random element from an array in ruby

get a sample of 5 elements from an array with replacement in ruby

give swift version for: pets.map { |pet| pet[:names].select { |name| name.length <= 5 } }.flatten.sort in ruby

how do i add these two element-wise so the result is another 3-element array? [*1..3] + [*4..6] in ruby

how to change `cols = %w(black, brown, red)` to this: `cols = { "black" => '0', "brown" => '1', "red" => '2'}` in ruby

how to fix? `[1, 10, 100].map(&:prod * 3)` in ruby

how to return the total value of all the hash values of three hashes, each of which is an element of an array using map or some shorter code? in ruby

how to select first two elements of an array and loop over them? in ruby

how to sum this if the hash is inside an array? [{ a: 5, b: 10, c: 15 }] in ruby

how to use [1..4] to generate an array in ruby

i have an array [1,2,3]. and my input to function arg is n. if n is either 1 or 2 or 3, do sth. if n is a number not in that array, do sth else. give me the code. in ruby

i have an array with 3 elements, each is a hash. how to print the third hash? in ruby

is there a to_array methd? in ruby

iterate over a list in ruby

join an array of characters into a string in ruby

select from an array whose elements are hashes in ruby

select the first two elements of an array, loop over them such that their index numbers become digits (like 01) in ruby

several ways to swap elements in [1, 2]? in ruby

sort an array in ruby

split a string into an array of characters in ruby

split a string into an array of words in ruby

what does it mean `[nil, true, 99].all? ` in ruby

what to do in order to get ["0", "[0, 1], "{foo: 0}"] in ruby