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class ClientSocket
  constructor: () ->
    @socket = new io.Socket()
    @socket.connect()
    @socket.on 'connect', =>
      this.trigger('connect.server', null)
    @socket.on 'message', (response) =>
      this.trigger(response.trigger, response.payload)
    @socket.on 'disconnect', =>
      this.trigger('disconnect.server', null)

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Migrate Heroku app to 1.9.2
http://devcenter.heroku.com/articles/bamboo
> heroku stack:migrate bamboo-mri-1.9.2
> heroku config:add BUNDLE_WITHOUT="development:test"

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require 'test/unit'

class Frame
  attr_reader :rolls

  def initialize(first_roll)
    @rolls = [first_roll]
  end

  def << pins

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Factory.define :post do |post_factory|
  post_factory.user { Factory.build(:user) }
end

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// inserting HTML that contains a script that contains document.write

$('a').first().html('<script>document.write("hey! don't be broken")</script>');

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if (window.___dialogEncountered === undefined) {
  window.___dialogEncountered = false;
}

if (window.___dialogReturnValue === undefined) {
  window.___dialogReturnValue = false;
}

window.___dialogHandler = function(dialogType) {
  window.parent.___dialogEncountered = dialogType;

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require 'cucumber/step_definition_light'

class StepUsage
  class StepDefKey < Cucumber::StepDefinitionLight
  end

  def initialize(step_mother, io, options)
    @step_mother = step_mother
    @io = io
    @stepdef_to_match = Hash.new{|h,stepdef_key| h[stepdef_key] = []}

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protected
def url_for(options = {})
  if options.has_key?(:controller)
    options[:controller] = "/#{options[:controller]}"
  end
  super(options)
end

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MySQL commands

mysql> create database [database_name];
mysql> show databases;

CREATE BACKUP
mysqldump -u root -p[root_password] [database_name] > dumpfilename.sql

RESTORE BACKUP
mysql -u root -p[root_password] [database_name] < dumpfilename.sql

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module NumberFormat
  def to_comma_separated
    self.to_s.gsub(/(\d)(?=\d{3}+(\.\d*)?$)/, '\1,')
  end
end

class Integer
  include NumberFormat
end
class Float