RT @ruby_china: RubyConfChina 2013 大会日程发布，

Xiao Bin

RT @ruby_china: RubyConfChina 2013 大会日程发布，请大家帮忙转发，谢谢！via: @ruby_china : http://ruby-china.org/topics... http://t.co/jSYu7CtB96

Oct 16, 2013 from