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MyModel.find_by_index('$key', '20121001'..'20130117')

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var links = value.values[0].metadata.Links;
links.filter(function(element, index, array){ return element[0] == 'tag'}).length;

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RSpec::Matchers.define :be_a_ripple_document do
  match do |doc|
    doc.class.included_modules.include?(Ripple::Document) ||
      doc.class.included_modules.include?(Ripple::EmbeddedDocument)
  end

  failure_message_for_should do
    "#{actual.class.to_s} should be a Ripple::Document"
  end

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def phone_number
  o =  [(0..9)].map{|i| i.to_a}.flatten;
  (0..9).map{ o[rand(o.length)]  }.join
end

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describe RomanNumeralCalculator do

  describe "with simple conversions" do
    Then { RomanNumeralCalculator.convert(1).should == 'I' }
  end

end

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RSpec::Matchers.define :be_converted_to do |expected|
  match do |actual|
    @result = Calculator.convert(actual)
    @result == expected
  end

  failure_message_for_should do
    "Expected #{actual} to be converted to #{expected}, but got #{@result}"
  end

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describe "Converting integers to roman numerals" do

  describe "with simple conversions" do
    Then { 1.should be_converted_to 'I' }
    Then { 5.should be_converted_to 'V' }
    Then { 10.should be_converted_to 'X' }
  end

  describe "with additive conversions" do
    Then { 3.should be_converted_to 'III' }

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describe "Converting integers to roman numerals" do
end

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def Prefer(value)
  if value.present? then
    value
  else
    block_given? ? yield : NullObject.new
  end
end

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module AuthenticationHelpers
  # Example usage: login mock_user(Editor)
  def login(user)
    request.env['warden'] = mock(Warden,
                                 :authenticate => user,
                                 :authenticate! => user)
  end
  
  def mock_user(type, stubs={})
    mock_model(type, stubs).as_null_object