kaiguogit

require 'active_support/all'

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

kaiguogit

# 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)
  /\b[0-9]{3}-[0-9]{3}-[0-9]{3}\b/.match(string) != nil
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

puts "has_sin? returns false if it doesn't have a SIN"

kaiguogit

def benchmark
  # Your benchmarking code goes here.
  start_time = Time.now
  yield
  end_time = Time.now
  end_time - start_time
end
 
# Be careful, pasting this into IRB will take a long time to print.

kaiguogit

def recycle_bottle (full,empty,caps)

  b = ((full + empty) / 2).floor
  c = ((full + caps) / 4).floor

  @fromB += b
  @fromC += c

  empty = (full + empty) % 2

kaiguogit

require "pry-byebug"
def to_roman(num)
  roman = ['','','M','D','C','L','X','V','I']
  array = num.to_s.each_char.map(&:to_i)
  result = ""
  array.each_with_index do |item,index|
    result += one_digit(item,roman.slice(index*2,3))
  end
  result
end

kaiguogit

require "pry-byebug"
@states = {
  OR: ['Oregon',['Salem', 'Portland']],
  FL: ['Florida',['Tallahassee','Jacksonville']],
  CA: ['California',['Sacramento','Los Angeles']],
  NY: ['New York',['Albany','New York']],
  MI: ['Michigan',['Lansing', 'Detroit']],
  WA: ['Wahsington',['Olympia','Seattle']],
  IN: ['Indiana',['Boise']]
}

kaiguogit

# def count_letters(str)
#   count={}
#   str.strip.each_char do |char|
#     count[char] = 0 unless count.include?(char)
#     count[char] += 1
#   end
#   count
# end

def count_letters(str)

kaiguogit

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"]

kaiguogit

def merge_sort(arr)
  return arr if arr.length <=1
  left = []
  right = []
  arr.each_index do |index|
    index.odd? ? left.push(arr[index]) : right.push(arr[index])  
  end

  left = merge_sort(left)
  right = merge_sort(right)

kaiguogit

def get_quote(dimensions, colour)
  (dimensions * 15 + (colour > 2 ? colour * 15 : colour * 10))*1.15
end
puts "#{get_quote(10, 3)}"