Zaddy is an unfinished language for describing compilers. I shared notes on its design. Its full title is "META Restricted ACE Zaddy". By "ACE" I mean that Zaddy ought to match terms with respect to Associative and Commutative operators, as well as Equality of distinct terms. E-matching is a well-studied-enough problem that there is literature on it, but there is little progress on full ACE-matching. Previously, on Lobsters, I explained that finishing Zaddy is not something I would expect from a bot or from another human. But under the relaxed rules, why not give it a try?
Air traffic is starting to pick up
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The NHL action continues this weekend with a number of top games, including Dallas Stars vs. Colorado Avalanche. The Stars come into this fixture on a 10-game win streak, but they're still behind the Avalanche in the standings. This top-of-the-table clash is going be electric, and you can follow all the action from the American Airlines Center without spending anything.，详情可参考新收录的资料
（二）具有批量控制移动电话卡的功能的；