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json-lib-2.4-jdk15.jar 报错 net.sf.json.JSONException: There is a cycle in the hierarchy!错误解决方案(Hibernate)
使用hibernate容易出现该问题,主要是由于pojo类属性存在级联关系。比如说员工和部门,在员工表里面有部门属性,而在部门表里面有个员工集合,这样就存在了嵌套引用的问题了,就会抛出这个异常。解决方法很简单,在将每个对象转为json对象的时候用setExcludes函数将级联的属性去除掉就可以了,...
分类:编程语言   时间:2015-01-29 14:09:24    阅读次数:156
Linked List Cycle
Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?/** * Definition for singly-linked list. *...
分类:其他好文   时间:2015-01-29 12:07:35    阅读次数:117
Linked List Cycle II
Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without using extra space?Has...
分类:其他好文   时间:2015-01-24 15:46:11    阅读次数:118
Linked List Cycle
Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?思路:1.可以用hash表记录链表中每个节点的地址,然后遍历发现重复,即有环,否则到...
分类:其他好文   时间:2015-01-24 15:43:21    阅读次数:166
UVA The Monocycle(BFS 4种状态)
Problem A: The Monocycle  A monocycle is a cycle that runs on one wheel and the one we will be considering is a bit more special. It has a solid wheel colored with five different colors a...
分类:其他好文   时间:2015-01-22 18:15:25    阅读次数:303
[LeetCode#142]Linked List Cycle II
The question:Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without using ex...
分类:其他好文   时间:2015-01-20 06:09:54    阅读次数:178
Private-code MaxCounter
No need for a double cycle: :You are given N counters, initially set to 0, and you have two possible operations on them:increase(X) ? counter X is inc...
分类:其他好文   时间:2015-01-18 18:26:32    阅读次数:222
Linked List Cycle
本文是在学习中的总结,欢迎转载但请注明出处:http://blog.csdn.net/pistolove/article/details/42833739 Given a linked list, determine if it has a cycle in it. Follow up: Can you solve it without using extra space? 思路:...
分类:其他好文   时间:2015-01-18 10:35:13    阅读次数:157
LeetCode--Linked List Cycle
Given a linked list, determine if it has a cycle in it. Follow up: Can you solve it without using extra space? /** * Definition for singly-linked list. * struct ListNode { * int val; * ...
分类:其他好文   时间:2015-01-15 11:01:23    阅读次数:186
LeetCode--Linked List Cycle II
Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Follow up: Can you solve it without using extra space? /** * Definition for singly-linked list. *...
分类:其他好文   时间:2015-01-15 11:01:22    阅读次数:236
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