pablohildo

def fisher_yates_shuffle(array)
    n = array.length
    while n > 0 
        i = rand(n-=1)
        array[i], array[n] = array[n], array[i]
    end
    return array
end

pablohildo

public static void fisher_yates_shuffle(int[] array){
    Random random = new Random();
    for (int n = 0; n < array.length; n++){
        int i = n + random.nextInt(array.length - n);
        int tmp = array[i];
        array[i] = array[n];
        array[i] = tmp; 
    }
}

pablohildo

p "Hello World!"

pablohildo

class Main{
  public static void main(String[] args){
    System.out.println("Hello World!");
  }
}

pablohildo

fun main(args : Array<String>) { 
  println("Hello World!") 
}

pablohildo

using System;
using MySql.Data.MySqlClient;
static void Main()
{
  var conn = "Server=localhost;Database=SEU_BANCO_AQUI;Uid=SEU_USUARIO_AQUI;Pwd=SUA_SENHA_AQUI"; // Dados do banco
  var connection = new MySqlConnection(conn); // Cria a conexão
  var command = connection.CreateCommand(); // Cria um comando a ser executado
  try
  {
    connection.Open();  // Abre a conexão

pablohildo

puts "Olá Mundo"
p "Olá Mundo"
print "Olá Mundo"

pablohildo

"12345".to_i             #=> 12345
"99 red balloons".to_i   #=> 99
"0a".to_i                #=> 0
"0a".to_i(16)            #=> 10
"hello".to_i             #=> 0
"1100101".to_i(2)        #=> 101
"1100101".to_i(8)        #=> 294977
"1100101".to_i(10)       #=> 1100101
"1100101".to_i(16)       #=> 17826049

pablohildo

arr = [1, 2, 3, 4, 5, 6]
arr[2]    #=> 3
arr[100]  #=> nil
arr[-3]   #=> 4
arr[2, 3] #=> [3, 4, 5]
arr[1..4] #=> [2, 3, 4, 5]

arr.first #=> 1
arr.last  #=> 6

pablohildo

grades = { "Jane Doe" => 10, "Jim Doe" => 6 }
options = { :font_size => 10, :font_family => "Arial" }
options = { font_size: 10, font_family: "Arial" }
options[:font_size]  # => 10

grades = Hash.new
grades["Dorothy Doe"] = 9