I think this was to get it on HN again. It was already on with that URL at http://news.ycombinator.com/item?id=2653594 :-) I've seen this tactic used a lot lately and it's a natural response to HN having a time-diverse audience and no mechanism to prevent dupe posts.
All that aside, it's a good little introduction to CoffeeScript and works well alongside Burnham's CoffeeScript book published by the Prags.
All that aside, it's a good little introduction to CoffeeScript and works well alongside Burnham's CoffeeScript book published by the Prags.