Murphydbuffalo

Algorithms

• Visualize sorting algorithms
• How hash tables/dictionaries work

APIs

• REST vs GraphQL

Authentication and Single Sign On

• OAuth
• JSON Web Tokens

Murphydbuffalo

defmodule Countdown do
  def from(number, phrase \\ 'Aww shucky ducky!') do
    Stream.iterate(number, &(&1 - 1)) |> Enum.take(number + 1) |> Enum.map(
      fn
        0 -> say(phrase)
        number ->
          say(number)
          sleep(1)
      end
    )

Murphydbuffalo

function getInput() {
	prompt('Please guess a number between 1 and 100.');
}

var name = prompt('Welcome! What\'s your name?');

var secretNumber = (Math.floor(Math.random() * 100) + 1);

while(!name.length > 0) {
  name = prompt("Enter something for a name :)")

Murphydbuffalo

class Mortgage
  
  attr_reader :principal, :down_payment_percentage, :apr, :duration_in_years

  def initialize(principal, down_payment_percentage, apr, years)
    @principal = principal
    @down_payment_percentage = down_payment_percentage
    @apr = apr
    @duration_in_years = years
  end

Murphydbuffalo

class Whiteboard
  
  attr_accessor :contents

  def initialize(contents = [])
    @contents = contents
  end

  def erase_whiteboard
    @contents = []

Murphydbuffalo

class Car
  def initialize(color, owner, cylinders)
    @color = color
    @owner = owner
    @cylinders = cylinders
  end

  def color
    @color
  end

Murphydbuffalo

class Television # A TV plays many channels and many shows of those channels.
  def initialize(channels=[])
    @channels = channels
  end
end

class Channels #A channel may have many shows and belong to many TVs.
  def initialize(shows=[])
    @shows = shows
  end

Murphydbuffalo

class Card
  attr_reader :rank, :suit
  
  def initialize(rank=nil, suit = nil)
    if suit.nil?
      @suit = ['♠', '♣', '♥', '♦'].sample
    else
      @suit = suit
    end

Murphydbuffalo

SELECT title, rating FROM movies ORDER BY rating LIMIT 50;

SELECT title FROM movies
WHERE rating IS NULL 
ORDER BY title;

SELECT title FROM movies
WHERE synopsis ILIKE '%thrilling%';

SELECT movies.title, movies.year, movies.rating FROM movies

Murphydbuffalo

body {font: 80% Verdana;}

.whole_page {background-color: #f6f6ef;
             width: 85%;
             margin: auto;}

header {background-color: #ff6600;
        height: 1.80em;
        position: relative;}