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LeetCode Regular Expression Matching
Implement regular expression matching with support for '.' and '*'.'.' Matches any single character.'*' Matches zero or more of the preceding element.The matching should cover the entire input string...
分类:其他好文   时间:2015-02-15 15:12:47    阅读次数:195
Leetcode 2 Add Two Numbers
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
分类:其他好文   时间:2015-02-15 12:06:11    阅读次数:140
leetcode_2_Add Two Numbers
欢迎大家阅读参考,如有错误或疑问请留言纠正,谢谢 Add Two Numbers You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single dig...
分类:其他好文   时间:2015-02-14 17:35:31    阅读次数:201
POJ3666---Making the Grade
DescriptionA straight dirt road connects two fields on FJ’s farm, but it changes elevation more than FJ would like. His cows do not mind climbing up or down a single slope, but they are not fond of an...
分类:其他好文   时间:2015-02-14 15:02:57    阅读次数:157
LeetCode Single Number II
Given an array of integers, every element appears three times except for one. Find that single one. 题意:有一个数组,只有一个数出现一次,其他的都出现三次,找出一次的数 思路:首先我们想到是每次把每一位二进制上1的个数都mod3,然后就能找出一个的了,但是这样空间太大了,所以我们想能记录...
分类:其他好文   时间:2015-02-13 22:31:19    阅读次数:279
Transactions and beyond it..
While data integrity is managed very effectively within a single database with row locking, deadlock detection, and roll-back features, distributed da...
分类:其他好文   时间:2015-02-13 16:16:08    阅读次数:143
JPA Hibernate 继承映射
在面向对象的程序领域中,类与类之间是有继承关系的,例如Java世界中只需要extends关键字就可以确定这两个类的父子关系,但是在关系数据库中,有的知识关联关系。为了将继承映射到关系数据库中,Hibernate提供了3中方式  整个的继承体系就用一张表(single_table)注解:@Inheritance(strategy =InheritanceType.SINGLE_TABL...
分类:Web程序   时间:2015-02-12 16:11:44    阅读次数:126
设计模式之--几个基本概念
一:单一职责原则(single Responsibility Principle) 接口尽量做到职责的单一性,类可以灵活设计,通过实现不同的接口来达到目的二:里氏替换原则 父类出现的地方,子类都可以出现。增强代码健壮性,版本升级时,即使增加子类,原有子类不受影响。每一个子类是一个业务实体,通过父.....
分类:其他好文   时间:2015-02-12 10:40:18    阅读次数:159
uva 10706 Number Sequence(找规律)
uva 10706 Number Sequence A single positive integer iis given. Write a program to find the digit located in the position iin the sequence of number groups S1S2…Sk. Each group Skconsists o...
分类:其他好文   时间:2015-02-12 09:22:27    阅读次数:156
[LeetCode] Wildcard Matching
Implement wildcard pattern matching with support for'?'and'*'.'?' Matches any single character.'*' Matches any sequence of characters (including the e...
分类:其他好文   时间:2015-02-11 20:33:41    阅读次数:153
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