Talking head
Ruby Conference 2014

This presentation, by Brandon Hays, is licensed under a Creative Commons Attribution ShareAlike 3.0

I didn't know squat about C or building extensions in Ruby. But I did want a Ruby-controlled Lego Mindstorms robot to get kids excited about Ruby. We'll dive into the basics of building C extensions, build a Ruby DSL to teach kids to drive cool Lego robots, and show off the amazing things you can do when you pull up Ruby's floorboards and look at the actually-not-too-scary C code underneath.

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