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b = "123"
a = b
b.gsub!(/2/,"")
puts a
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b = "123"
a = "#{b}"
b.gsub!(/2/,"")
puts a
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include Math
puts sqrt(91);
module Me
  def sqrt(a)
  puts a*a;
  return a*a;
end
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ruby on rails


rubygems
Ruby on Rails ÊÇÒ»¸ö¿ÉÒÔʹÄ㿪·¢£¬²¿Êð£¬Î¬»¤ web Ó¦ÓóÌÐò±äµÃ¼òµ¥µÄ¿ò¼Ü¡£
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ת Adding Sound to Your Ruby Apps
Have you ever thought about including sounds in your Ruby application? Used sparingly, sound may enhance your applications by adding audio cues or a custom touch. You could, for example, play a beep or chime that announces the completion of a lengthy process. Per ......
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