# Ruby program to read and print # two-dimensional array TwoDArr = Array.new(2){Array.new(2)} printf "Enter elements of MATRIX:\n"; i = 0; while (i < 2) j = 0; while (j < 2) printf "ELEMENT [%d][%d]: ", i, j; TwoDArr[i][j] = gets.chomp.to_i; j = j + 1...
Removes a key-value pair from hash, returning it as a two-element array. 33 hash.size Returns the size or length of hash as an integer. 34 hash.sort Converts hash to a two-dimensional array containing arrays of key-value pairs, then sorts it as an array. 35 hash.store(key, value)...
Ruby program to delete an item from the array without using the library function Ruby program to insert an item into the array without using library function Ruby program to merge two integer arrays without using library function Ruby program to read and print two-dimensional array ...
It's a two dimensional Array. If you want to turn it into a hash, you can call to_h on it. How to sort an array of hashes in ruby If you've done any Rails development, I'm sure you've come across this one. scores = [ {name: "Superman", score: 745}, {name: "Ironman"...
each_with_indexreturns a two-dimensional array containing the an entry for each character and its index.selectwhittles it down to just the entries where the character isa, andmapconverts the two dimensional array into a one-dimensional array of the indices. ...
Import the JSON of a two-dimensional array without unshift. Automatically trim when using html importer. Turn off Markdown automatic escape option. Fixed bug not rendering keys as headers. v1.2.5 Added SQL importer, you can convert create table sql and insert sql to any format. ...
Import the JSON of a two-dimensional array without unshift. Automatically trim when using html importer. Turn off Markdown automatic escape option. Fixed bug not rendering keys as headers. v1.2.5 Added SQL importer, you can convert create table sql and insert sql to any format. Added MediaWik...
An array can be composed of other arrays, we call that a multi-dimensional array. Example of 2d array: users = [ [1, 'Peter'], [2, 'Steven'] ] To access the first element from the first sub-array you can use this syntax: users[0][0] # 1 And for the second element of ...
Arrays can contain other arrays, which are callednested arrays. This is one way to model two-dimensional datasets in a program. Here’s an example of a nested array: nested_array=[["salmon","halibut",],["coral","reef",]] Copy
hash.sort Converts hash to a two-dimensional array containing arrays of key-value pairs, then sorts it as an array. fruits = { pineapple: 5, apple: 1, orange: 2 } apple: 1, orange: 2 }=> {:pineapple=>5, :apple=>1, :orange=>2} hash.to_a Creates a two-dimensional array fr...