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关于str==null与str.trim().equal("")用作判断的疑问
今天同学调试jsp页面的表单传值,从a.jsp页面提交表单数据(就一项数据)到b.jsp页面,在b.jsp页面设置一个判断,来检验接收到的数据是否为空,若使用str==null做判断,无传值过来的情况下判断也为false(应该为ture才对啊),不知道为什么,求高手指导!!!但是,使用str.tri...
分类:其他好文   时间:2014-12-07 21:41:14    阅读次数:510
leetcode. Partition List
Given a linked list and a valuex, partition it such that all nodes less thanxcome before nodes greater than or equal tox.You should preserve the origi...
分类:其他好文   时间:2014-12-06 12:47:15    阅读次数:152
poj 2002 Squares
题目链接:http://poj.org/problem?id=2002A square is a 4-sided polygon whose sides have equal length and adjacent sides form 90-degree angles. It is also a ...
分类:其他好文   时间:2014-12-05 22:34:16    阅读次数:267
等价结点
在图数据处理时,若将其中等价结点找出归为一个结点会降低图的规模且加快一些图处理的速度,例如模式匹配、可达性等。本文描述了一种快速求解等价结点的方法。...
分类:其他好文   时间:2014-12-05 19:25:21    阅读次数:168
LeetCode: Partition List 解题报告
Partition List Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x.You should...
分类:其他好文   时间:2014-12-04 19:57:46    阅读次数:204
蓝屏代码stop:0X000000EA(0X85E286B8,0X8635F210,0XF7A53CBC,0X00000001)
你这是显卡驱动问题,我把蓝屏代码都给你,以后在出现蓝屏自己看看行了.1、0x0000000A:IRQL_NOT_LESS_OR_EQUAL◆错误分析:主要是由问题的驱动程序、有缺陷或不兼容的硬件与软件造成的. 从技术角度讲. 表明在内核模式中存在以太高的进程内部请求级别(IRQL)访问其没有权限访问...
分类:其他好文   时间:2014-12-03 23:14:38    阅读次数:434
LeetCode: isSameTree1 解题报告
isSameTree1Given two binary trees, write a function to check if they are equal or not.Two binary trees are considered equal if they are structurally i...
分类:其他好文   时间:2014-12-03 23:11:24    阅读次数:367
Partition List
Given a linked list and a valuex, partition it such that all nodes less thanxcome before nodes greater than or equal tox.You should preserve the origi...
分类:其他好文   时间:2014-12-03 22:43:18    阅读次数:153
[leetcode]Partition List
问题描述: Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. You should preserve the original relative order of the nodes in...
分类:其他好文   时间:2014-12-03 00:27:55    阅读次数:141
【LeetCode】Same Tree (2 solutions)
Same TreeGiven two binary trees, write a function to check if they are equal or not.Two binary trees are considered equal if they are structurally ide...
分类:其他好文   时间:2014-12-01 23:49:09    阅读次数:192
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