todlazarov

# Write a method that counts down to zero using recursion.

def count_down(num)
  if num <= 0
    puts num
  else
    puts num
    count_down(num - 1)
  end
end

todlazarov

# Constants
VALID_CHOICES = %w(rock paper scissors lizard spock)
VALID_ABRV = %w(r p sc l sp)

# Variables
choice = ''
player_choice = ''
player_score = 0
computer_score = 0
winner = ''

todlazarov

# Given the munsters hash below

munsters = { 
  "Herman" => { "age" => 32, "gender" => "male" }, 
  "Lily" => { "age" => 30, "gender" => "female" }, 
  "Grandpa" => { "age" => 402, "gender" => "male" }, 
  "Eddie" => { "age" => 10, "gender" => "male" },
  "Marilyn" => { "age" => 23, "gender" => "female"}
}

todlazarov

# Given the munsters hash below

munsters = { 
  "Herman" => { "age" => 32, "gender" => "male" }, 
  "Lily" => { "age" => 30, "gender" => "female" }, 
  "Grandpa" => { "age" => 402, "gender" => "male" }, 
  "Eddie" => { "age" => 10, "gender" => "male" },
  "Marilyn" => { "age" => 23, "gender" => "female"}
}

todlazarov

require 'pry'

INITIAL_MARKER = " "
PLAYER_MARKER = "X"
COMPUTER_MARKER = "O"
WINNING_LINES = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] + # rows
                [[1, 4, 7], [2, 5, 8], [3, 6, 9]] + # columns
                [[1, 5, 9], [3, 5, 7]]              # diagonals

# Variables

todlazarov

require 'pry'

# Constants
INITIAL_MARKER = " "
PLAYER_MARKER = "X"
COMPUTER_MARKER = "O"
WINNING_LINES = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] + # rows
                [[1, 4, 7], [2, 5, 8], [3, 6, 9]] + # columns
                [[1, 5, 9], [3, 5, 7]]              # diagonals

todlazarov

require 'pry'

# Constants
INITIAL_MARKER = " "
PLAYER_MARKER = "X"
COMPUTER_MARKER = "O"
WINNING_LINES = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] + # rows
                [[1, 4, 7], [2, 5, 8], [3, 6, 9]] + # columns
                [[1, 5, 9], [3, 5, 7]]              # diagonals

todlazarov

# 1. We are working with a database and we need to create a comma separated list of facebook friend's IDs
users.select {|u| u.is_friend?}
 .map {|u| u.facebook_id}
 .compact
 .join(',')

# Pseudocode
# We combine our methods by chaining them together for clarity and readibility.
# First we create a method that checks if the given user is our friend and call it "is_friend?".
# We use the select method to itterate over the users database and return an array containing

todlazarov

# Tic Tac Toe is a 2 player board game played on a 3x3 grid. Players take turns
# making a square. The first player to mark 3 squares in a row wins.

# Nouns: board, player, square, grid
# Verbs: play, mark

# Board
# Square
# Player
# - mark

todlazarov

# Tic Tac Toe is a 2 player board game played on a 3x3 grid. Players take turns
# making a square. The first player to mark 3 squares in a row wins.

# Nouns: board, player, square, grid
# Verbs: play, mark

# Board
# Square
# Player
# - mark