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Jan 29, 2013 Replied to a topic by missdeer › Linux › 手头有几台内网的Linux机器，i7 CPU+4G RAM，只有CLI，只能SSH，可以用来做点什么有趣的事么 |
都拆了，再组起来
Nov 1, 2012 Replied to a topic by paulguo › 程序员 › [晒代码] 一个实际场景，欢迎各位晒下各种语言的实现~ |
@levn 哈，诱出高手了，我才刚看到monoid。。
Oct 31, 2012 Replied to a topic by paulguo › 程序员 › [晒代码] 一个实际场景，欢迎各位晒下各种语言的实现~ |
在学haskell，写个naive的。。
List.sortBy (\x y -> let xa = fromJust $ Map.lookup 'a' x; xb = fromJust $ Map.lookup 'b' x; ya = fromJust $ Map.lookup 'a' y; yb = fromJust $ Map.lookup 'b' y in if xa == ya then xb `compare` yb else ya `compare` xa) ar
List.sortBy (\x y -> let xa = fromJust $ Map.lookup 'a' x; xb = fromJust $ Map.lookup 'b' x; ya = fromJust $ Map.lookup 'a' y; yb = fromJust $ Map.lookup 'b' y in if xa == ya then xb `compare` yb else ya `compare` xa) ar
Mar 27, 2012 Replied to a topic by 013231 › 问与答 › 去掉文件末尾的换行符, 怎么做最方便? |
没看清楚，sorry。。
Mar 27, 2012 Replied to a topic by 013231 › 问与答 › 去掉文件末尾的换行符, 怎么做最方便? |
\n$ 匹配最后的换行
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