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class Survivor
	attr_accessor :contestants, :teams
	
	def initialize
		@contestants = []
		@teams = []
	end

	# return the losing team
	def challenge

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puts "Shawty what yo name is?"
n = gets.chomp.split(" ").join("")
l = n.length
puts "No it ain't.  It's #{n[0]}#{l-2}#{n[l-1]}"

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In Order To

changing in order to meet new demands

changing to meet new demands

Adj. Phrases: That Is, Related To

a project that is difficult

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Never Boolean

You hardly ever have to use the word true in your code.

if (something == true)
  # do something cool
end

Can be rewritten as

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Master/slave

As if diversity wasn't enough a problem.

Notable mentions

Git's default master branch

The man command

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class Batman
  def intro
    puts "*"*80
    puts "Welcome to Batman: Arkham Asylum"
    puts "*"*80
  end

  def ask_question(question, options)
    puts "*"*80, question, "*"*80

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class SharkTank
  attr_reader :sharks, :entrepreneur

  def initialize
    @sharks = []
  end

  def add_shark(shark)
    @sharks << shark
  end

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uppers = "A".."Z"
lowers = "a".."z"
letters = uppers.to_a + lowers.to_a

numbers = ("0".."9") 

####
## 1st question
####
all_letters = false

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Scope

Think of a telescope. As it extends right, it gets smaller.

__
|| __
|| || __
|| || || 
|| || __
|| __ 

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# display a line on the screen
#
# refactoring to 
# - remove some Ruby jargon by defining a 
#   domain-specific-language (DSL)
# - remove some repetitive (copy-pasted) code
# - have a single place to change the line width
def put_a_line
  puts "*" * 50
end