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-- Determine size of databases
-- Source: http://stackoverflow.com/questions/1733507/how-to-get-size-of-mysql-database
SELECT table_schema "DB Name", Round(Sum(data_length + index_length) / 1024 / 1024, 1) "DB Size in MB"
  FROM information_schema.tables
GROUP  BY table_schema;

-- Size in MB of the innodb_buffer_pool_size. Default is 128 MB.
-- More here: http://dev.mysql.com/doc/refman/5.5/en/innodb-parameters.html#sysvar_innodb_buffer_pool_size
SELECT @@innodb_buffer_pool_size / 1024 / 1024

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class Payment
  def process(gateway)
    gateway.verify(self) # duck typed.
  end
end

class PaymentTest
  def test_process
    payment = Payment.new
    payment.process(MockGatway.new)

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[~/Projects/exercism]$ ruby ruby/rna-transcription/rna-transcription_test.rb
Run options: --seed 51147

# Running tests:

EEEEE

Finished tests in 0.001201s, 4163.1973 tests/s, 0.0000 assertions/s.

  1) Error:

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# invoices_controller.rb 
  
  helper_method :available_filters

  def index
     @invoices = Invoice.send(filter_scope)
  end

  private 
    def available_filters

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IO.readlines("/usr/share/dict/words").map{|w| w.chomp}.select{|w| w.downcase.chars.sort.join == word.chars.sort.join}.reject{|w| w == word}

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class Array
  def move(element, distance)
    current_pos = index(element)
    return self if current_pos.nil?
    new_pos = (current_pos+distance) - ((current_pos+distance)/length)*length
    delete(element)
    insert(new_pos, element)
  end
end