1.ruby
??? http://www.ruby-doc.org/core/
??? 代理訪問:http://anonymouse.org/cgi-bin/anon-www.cgi/http://www.ruby-doc.org/core/
??? http://www.ruby-doc.org/stdlib/
2.rmagick
??? http://studio.imagemagick.org/RMagick/doc/index.html
3.gemjack.com集合的大多數(shù)rdoc(推薦!)
??? http://gemjack.com/