This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Date.mjd (from ruby core) --- d.mjd -> integer --- Returns the modified Julian day number. This is a whole number, which is adjusted by the offset as the local time. DateTime.new(2001,2,3,4,5,6,'+7').mjd #=> 51943 DateTime.new(2001,2,3,4,5,6,'-7').mjd #=> 51943
This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.