RubyFoo London 2009 speakers

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Hacker, entrepreneur, libertarian. My current venture is Heroku. bio from Twitter

• Next-Generation Ruby Deployment with Heroku

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Senior Software Engineer - DRW Trading Group bio from Twitter

• Do you speak my language?

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Programming language nerd, JRuby core developer, language designer (Ioke), lisp and ruby fanatic. bio from Twitter

• JRuby for the win!

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A Communicative Programmer bio from Twitter

• Communicative Programming: Opening
• Notes on the Synthesis of Ruby Form

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Rubyのパパ bio from Twitter

• Styles of Ruby programming