harunyasar

var createGrid = function (rows, cols) {
    var str = "",
        odd = "o",
        even = "#";
    for (var row = 0; row < rows; row++) {
        for (var col = 0; col < cols; col++) {
            if ((row + col) % 2 === 0) {
                str += even;
            } else {
                str += odd;

harunyasar

<?php

interface Shape {
  public function draw();
}

class Rectangle implements Shape {
  public function draw() {
    echo "Shape: Rectangle\r\n";
  }

harunyasar

def fibo():
    a, b = 0, 1
    while True:
        yield a
        a, b = b, a + b
        
# usage
f = fibo()
f.next()
...

harunyasar

<?php

interface Dog
{
  public function speak ();
}

class Poodle implements Dog
{
  public function speak()

harunyasar

<?php

// Command
interface Order {
    public function execute();
}

// Receiver Class
class Stock {