Ruby on Rails

Rails is a cool web application framework for Ruby. To promote how simple it is to use they've made a demonstration movie that includes installation, configuration and the creation of a blogging application backed by a sql database, all in just 10 minutes. Obviously the person doing the work knows the platform, but this isn't a scramble of mouse clicks and speed typing. They don't even use a pre built template to speed creation of the application. They do it from scratch. It's a great demo.

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