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def highlight_text(input, words_to_highlight=%w(important monkey dancing))
  input.gsub(/#{words_to_highlight.join('|')}/i, '*\0*')
end
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class FizzBuzz
class << self
	attr_accessor :_fizzbuzz_trans_keys
...

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ruby -e "puts (1..500).map {rand(10 ** 16).to_s.rjust(16,'0')}"

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<%= [@post.category.name if @post.category, link_to(@post.title, post_path(@post))].compact.join(' : ') %>

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<%= (@post.category ? @post.category.name : '') + ' ' + link_to(@post.title, post_path(@post)) %>

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class PostsController < ApplicationController
...

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class String 
  def postal?  
    self =~ /[a-z]\d[a-z]([\s-])*\d[a-z]\d/i
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function sum(a, b) {
  return a + b;
}
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class String
  def to_proc
    eval "proc { |s| s#{self} }"
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namespace :db do
  namespace :migrate do
    desc 'Reverts, renames and re-executes uncommitted migrations that conflict with already committed migrations'
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<% @@content_for_layout = "<script>alert('I can do whatever I want here!')</script>" %>

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require 'erb'

text = <<-EOS
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class Bug < Struct.new(:name, :type, :iq, :annoyance_factor); end

#create some bugs!
...