map code snippets in ruby

add a key-value pair to a map in ruby

combine two maps in ruby

find the average of all keys in a map in ruby

find the average of all values in a map in ruby

find the intersection of two maps in ruby

find the keys of a map in ruby

find the kth largest key in a map in ruby

find the largest key in a map in ruby

find the largest value in a map in ruby

find the length of a map in ruby

find the median of all keys in a map in ruby

find the mode of all keys in a map in ruby

find the range of all keys in a map in ruby

find the range of all values in a map in ruby

find the smallest key in a map in ruby

find the smallest value in a map in ruby

find the standard deviation of all keys in a map in ruby

find the standard deviation of all values in a map in ruby

find the sum of all keys in a map in ruby

find the sum of all values in a map in ruby

find the symmetric difference of two maps in ruby

find the value associated with a key in a map in ruby

find the values of a map in ruby

find the variance of all keys in a map in ruby

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

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

remove a key-value pair from a map in ruby

split a map into two maps in ruby

what is wrong? `series = struct.new(:strng) { def slices(n) n > @strng.length ? argumenterror : @strng.each_char.each_cons(n).map(&:join) end }` in ruby