Comment by Denny Trebbin on "Would it be fare to say anything that can be done in Ruby can be done in NodeJS can as well?"

I was in the Ruby land for quite some time and since TJH ported Sinatra.rb to Node.js under the name of Express.js, I learned Node.js and never looked back again - except I still love the Ruby syntax very much. PeepCode helped me learn and understand Node.js and of course, Dave Thomas' pragprog screencast, and eBook about Node.js.

So yes, I would say Node.js can do the same (or more) than Ruby + Rails.

But in contrast, Twitter switched from RoR to Scala. If you think about Spring, I assume you know Java. Maybe you could be happy with both paths.

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