Leejojo

require 'active_support/all'
require 'pp'
@candidates = [
  {
    id: 5,
    years_of_experience: 4,
    github_points: 293,
    languages: ['C', 'Ruby', 'Python', 'Clojure'],
    date_applied: 5.days.ago.to_date,
    age: 26

Leejojo

# Determine whether a string contains a SIN (Social Insurance Number).
# A SIN is 9 digits and we are assuming that they must have dashes in them
def has_sin?(string)
  match = string.match(/\b\d{3}\-\d{3}\-\d{3}\b/)
  !!match
end

puts "has_sin? returns true if it has what looks like a SIN"
puts has_sin?("please don't share this: 234-604-142") == true

Leejojo

def benchmark
  # Your benchmarking code goes here.
  start_time = Time.now
  yield

  end_time = Time.now

  puts @duration = end_time - start_time

end

Leejojo

require "pry"

@player1_points = 3
@player2_points = 3

@players = {player1: @player1_points, player2: @player2_points}.cycle

def whos_playing

  puts "#{@current_player[0]}, your turn"

Leejojo

list = {'yvr' => 'Vancouver', 'yba' => 'Banff', 'yyz' => 'Toronto', 'yxx' => 'Abbotsford', 'ybw' => 'Calgary'}

# Why is it returning nil instead of first element of the list above
p list['yvr']





def average(numbers)

Leejojo

def count_letters
  puts "Tell me something"
  phrase = gets.chomp
  
  result = phrase.scan(/\w/)

  hash = Hash.new(0)

  result.inject(hash) {|key, value| 
    hash[value] += 1

Leejojo

@states = {
  OR: 'Oregon',
  FL: 'Florida',
  CA: 'California',
  NY: 'New York',
  MI: 'Michigan',
}

@states.store(:NJ,'New Jersey')
@states.store(:AL,'Alabama')

Leejojo

=begin 
# Sort the array from lowest to highest
def sort(arr)
  arr.sort
end
=end


def bubble_sort(arr)
  n = arr.length

Leejojo

# must be baller and either furnished or rent cheaper than 2100
def rent?(baller, furnished, rent)
  if baller && (furnished || rent < 2100)
    return true
  else
    return false
  end
end

###

Leejojo

def maximum(arr)
  n = arr.length
  loop do
    swapped = false

    (n-1).times do |i|
      if arr[i] > arr[i+1]
        arr[i], arr[i+1] = arr[i+1], arr[i]
        swapped = true
      end