Ruby
has_metadata is a stupidly simple plug-in that allows you to store information in a model that isn’t important enough for its own column or table. It uses a single column called metadata to store metadata attributes as XML. Unzip has_metadata into your vendor/plugins directory. Make sure your model’s table has a text column called metadata [...]
A mathematician might write: 3 + 5 x 4 = 23 An equivalent statement in Lisp might look like this: (= (+ (* 5 4) 3) 23) The former is an undeniably cleaner way of writing that equation, and it shows that the “regular” way of writing equations is far superior to the Lisp way. [...]
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