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Sinatra has a really nice DSL. You can fake the basics of the DSL with some simple Rack middleware created by metaprogramming. If you like the screencasts, please give $5 to help me get to RubyConf Download (64.2 MB) Download iPhone & iPod (35.6 MB)

This is an introduction to Ruby metaprogramming where I cover two different ways to define a method. The idea actually started as a joke, but there are valuable lessons to be learned here.

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Metaprogramming lets you program more expressively. This makes your code easier to write and easier to maintain and extend. Learn both the hows and whys of metaprogramming Ruby from Dave Thomas, one of the most experienced Ruby programmers in the western world.