4 2009-10-29T12:08:40+00:00 26 Rails rails true 20 2009-10-29T12:08:40+00:00 2009-10-29T12:08:39+00:00 22 Advanced Rails advanced-rails true 100 2009-10-29T12:08:39+00:00 4 2009-10-29T12:08:41+00:00 27 Ruby ruby true 150 2009-10-29T12:08:41+00:00