There have been many talks that show how to take the first steps in writing a ruby C extension. This isn't one of them. I propose instead to give an overview of different ways of extending ruby and show what each approach brings to the table. I intend to cover 'classic' C extensions, RubyInline and FFI across a range of ruby implementations.
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I'm Frederick Cheung, a UK based rails developer (fglc2 on twitter). I'm the CTO at dressipi, where we're revolutionising the way women shop for clothes. In the past I've written Mac desktop software, iOS apps and contributed to rails itself.