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RSS订阅转载 关于httpsession
转载自: http://blog.youkuaiyun.com/indieinside/article/details/39341519 cookie的作用就是为了解决HTTP协议无状态的缺陷所作出的努力。至于后来出现的session机制则是又一种在客户端与服务器之间保持状态的解决方案。 咖啡店有喝5杯咖啡免费赠一杯咖啡的优惠，然而一次性消费5杯咖啡的机会微乎其微，这时就需要某种方式来纪
2015-01-09 17:20:26
280
原创 permcheck
class Solution { public int solution(int[] A) { // write your code in Java SE 8 int size= A.length; Boolean[] have = new Boolean[size]; for(int i=0;i
2014-10-30 10:19:28
327
原创 codility Frog-River-One
A small frog wants to get to the other side of a river. The frog is currently located at position 0, and wants to get to position X. Leaves fall from a tree onto the surface of the river. You are g
2014-10-29 15:14:14
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