allolex

http://www.abeautifulsite.net/recording-a-screencast-with-quicktime/ https://www.dropbox.com/s/r1591r9sbqji8k0/screencasting_with_system_audio.pdf?dl=1

allolex

require_relative "wheel"
require_relative "gear"

class Bicycle
  attr_reader :wheel, :gear

  def initialize(wheel = Wheel.new(:racing), gear = Gear.new(:high))
    @wheel = wheel
    @gear = gear
  end

allolex

require_relative "bicycle"

def runtest(expression)
  puts expression ? "Passed" : "Failed"
  # puts  if expression
  #         "Passed"
  #       else
  #         "Failed"
  #       end
end

allolex

require "httparty"
require "nokogiri"

stock_code = ARGV[0]

url = "http://finance.yahoo.com/q?s=#{stock_code}"

response = HTTParty.get url

dom = Nokogiri::HTML(response.body)

allolex

Pry.config.should_load_plugins = true
# Pry.plugins["doc"].activate!

begin
  require 'awesome_print'
  AwesomePrint.pry!
rescue LoadError => err
  puts "no awesome_print :("
end

allolex

def a
  b
end

def b
  c
end

def c
  d

allolex

class Table
  attr_reader :num_legs

  def initialize(num_legs)
    if num_legs > 0
      @num_legs = num_legs
    elsif num_legs == 0
      raise "Tables have one or more legs."
    else
      raise ArgumentError, "The number of legs has to be greater than zero."

allolex

class Table
  attr_reader :num_legs

  def initialize(num_legs)
    if num_legs > 0
      @num_legs = num_legs
    elsif num_legs == 0
      raise "Tables have one or more legs."
    else
      raise ArgumentError, "The number of legs has to be greater than zero."

allolex

class Table
  attr_reader :num_legs

  def initialize(num_legs)
    if num_legs > 0
      @num_legs = num_legs
    elsif num_legs == 0
      raise "Tables have one or more legs."
    else
      raise ArgumentError, "The number of legs has to be greater than zero."

allolex

class Table
  attr_reader :num_legs

  def initialize(num_legs)
    if num_legs > 0
      @num_legs = num_legs
    elsif num_legs == 0
      raise "Tables have one or more legs."
    else
      raise ArgumentError, "The number of legs has to be greater than zero."