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LeetCode Longest Valid Parentheses
Given a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substring.For"(()", the longest...
分类:其他好文   时间:2015-01-01 21:10:28    阅读次数:149
LintCode-Longest Common Substring
Given two strings, find the longest common substring.Return the length of it.NoteThe characters in substring should occur continiously in original str...
分类:其他好文   时间:2015-01-01 00:01:16    阅读次数:339
LintCode-Compare Strings
Compare two strings A and B, determine whether A contains all of the characters in B.The characters in string A and B are all Upper Case letters.Examp...
分类:其他好文   时间:2014-12-31 08:42:03    阅读次数:228
html_entity_decode() 函数
html_entity_decode() 函数定义和用法The html_entity_decode() function converts HTML entities to characters.html_entity_decode()函数的作用是:转换HTML字符编码为字符。The html_e...
分类:Web程序   时间:2014-12-31 08:40:49    阅读次数:232
[leetcode] Minimum WIndow
题目:(HashTable Two Point String)Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity ...
分类:Windows程序   时间:2014-12-31 07:36:09    阅读次数:177
Spring不能给sessionFactory注入值的问题,以及org.hibernate.HibernateException: createQuery is not valid without active transaction异常
在Struts2+Spring3+Hibernate4的框架下,本来想在DAO中通过setter注入,给sessionFactory赋值,但是却出现NullPointerException的异常。经过调试,发现sessionFactory的值为null。后来发现,原来在service层中,这个...
分类:编程语言   时间:2014-12-31 06:17:16    阅读次数:168
leetcode:String to Integer (atoi)
一、     题目 题目目的很明显,就是将一个字符串转换成整数,也就是平时经常用到的atoi. 二、     分析 题目其实不难,不过需要注意下面几点: 1、字符串前的空白 2. 字符串所表示数值的正负号 3. 结束条件,遇到非数字或者字符'\0'结束 4. 考虑溢出,与int值所能表示的最大(0x7fffffff)和最小值进行比较 5. 考虑异常输入情况下,用全局变量valid来...
分类:其他好文   时间:2014-12-31 01:08:33    阅读次数:148
Validate Binary Search Tree
Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains only n...
分类:其他好文   时间:2014-12-30 21:54:37    阅读次数:183
LeetCode: Valid Palindrome 解题报告
Valid PalindromeGiven a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a pla...
分类:其他好文   时间:2014-12-30 20:39:15    阅读次数:156
LeetCode Longest Substring Without Repeating Characters
Longest Substring Without Repeating Characters  Total Accepted: 35063 Total Submissions: 159111My Submissions Question  Solution  Given a string, find the length of the longest subst...
分类:其他好文   时间:2014-12-30 17:16:14    阅读次数:231
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