Ruby is a dying language. Business is over its dalliance with Ruby. No major startup is lauding their use of Ruby and existing businesses are migrating away or simply writing new applications in a different language.

http://rubini.us/2013/10/15/introducing-rubinius-x/

Waiting to see some Input and reaction from @luikore

#2 楼 @ksec 不感冒...

因为碰过了 Javascript 所以对 undefined 有点感冒