jsstrn

#include <iostream>
using namespace std;

int FirstFactorial(int num) { 
	// set the limit to the number provided   
	int limit = num;
	for (int i = 1; i < limit; ++i) {
  		num = num * i;
	}
  	return num; 

jsstrn

import turtle

def drawSquare(my_turtle):
	my_turtle.color("red")
	for i in range(4):
		my_turtle.forward(100)
		my_turtle.right(90)

def drawSomethingCool(my_turtle):
	my_turtle.color("yellow")

jsstrn

/*

time: O(log n)
space: O(1)

*/

function binarySearch(value, array) {
  let start = 0
  let end = array.length

jsstrn

/*

time: O(m + n)
space: O(n) // whichever is smaller

arr1 = [ 1, 2, 3, 5, 6, 7 ]
                        ^ 
arr2 = [ 3, 6, 7, 8, 20 ]
               ^
arr3 = [ 3, 6, 7 ]

jsstrn

function hasDuplicateValue(array) {
  let counter = 0
  for (let i = 0; i < array.length; i++) {
    for (let j = 0; j < array.length; j++) {
      counter++
      if (i !== j && array[i] === array[j]) {
        return true
      }
    }
  }

jsstrn

🌐 Lab: How the web works

IP Address

We've learned that each device connected to a network is assigned an IP address. This includes your mobile phones and computers, and if you have a toaster that's hooked up to the Internet then your toaster, too.

What's the IP address of your computer?

Use ipconfig from your Terminal

jsstrn

class Payment {
  constructor() {
    this.paymentMethod = ''
  }
  
  setPaymentMethod(paymentMethod) {
    this.paymentMethod = paymentMethod
  }
  
  pay(amount) {

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{
"11111" : "a",
"11112" : "a&p",
"11113" : "a's",
"11114" : "aa",
"11115" : "aaa",
"11116" : "aaaa",
"11121" : "aaron",
"11122" : "ab",
"11123" : "aba",

jsstrn

open -a safari https://youtu.be/X2W3aG8uizA
osascript -e 'set volume output volume 100'

jsstrn

Object Calisthenics

9 steps to better software design today, by Jeff Bay

• http://www.xpteam.com/jeff/writings/objectcalisthenics.rtf
• http://www.pragprog.com/titles/twa/thoughtworks-anthology

We’ve all seen poorly written code that’s hard to understand, test, and maintain. Object-oriented programming promised to save us from our old procedural code, allowing us to write software incrementally, reusing as we go along. But sometimes it seems like we’re just chasing down the