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# This is what an application build with our framework would look like.
# Run with:
#   rackup app.ru
...

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v = (a[:k][0] rescue nil) || 1

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sudo kill -INT `cat /usr/local/nginx/logs/nginx.pid`

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module StringReader   
  def string_reader(*params)
    params.each do |param|
...

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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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