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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:2014-09-13 20:00:35    阅读次数:207
使用LinkedList实现Stack(栈)与Queue(队列)
首先引用JDK API中关于LinkedList的一句说明:"These operations allow linked lists to be used as a stack, queue, or double-ended queue."由此,可以得知,使用LinkedList可以轻松的实现栈和队...
分类:其他好文   时间:2014-09-13 17:13:05    阅读次数:263
LeetCode Sort List
Sort a linked list inO(nlogn) time using constant space complexity.归并排序的基本思想是:找到链表的middle节点,然后递归对前半部分和后半部分分别进行归并排序,最后对两个以排好序的链表进行Merge。/** * Definitio...
分类:其他好文   时间:2014-09-13 13:15:45    阅读次数:155
oracle 联结方法
一般来说,联结方法分为:嵌套循环联结(Nested Loops),散列联结(Hash-Join),排序合并联结(Sort Merge Join)以及笛卡尔联结(Merge Join Cartesian). 1、嵌套循环联结(Nested Loops) 嵌套循环有外部表(drivingtable,驱动表)和内部表(inner或driven-to table ,被驱动表)的概念,一般来说,结果集大...
分类:数据库   时间:2014-09-12 10:14:43    阅读次数:278
Search in Rotated Sorted Array
Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2). You are given a target value to search. If found in the array retur...
分类:其他好文   时间:2014-09-12 00:01:02    阅读次数:254
atitit.hbnt orm db 新新增更新最佳实践o99
atitit.hbnt orm db 新新增更新最佳实践o99   1. merge跟个save了. 1 2. POJO对象处于游离态、持久态、托管态。使用merge()的情况。 1 3. @DynamicInsert @DynamicUpdate 2 4. 实际调用merge()生成的sql 2 5. 参考 2     1. merge跟个save了. Update Upd...
分类:数据库   时间:2014-09-11 23:50:22    阅读次数:383
闭包允许内层函数引用父函数中的变量,但是该变量是最终值
今天在学习JavaScript的时候碰到的一个类似于如下代码的问题:/** * * * one * two * three * one * */var lists = document.getElementsByTagName('li');for(var i =...
分类:其他好文   时间:2014-09-11 22:12:02    阅读次数:160
LeetCode:Search Insert Position
Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in or...
分类:其他好文   时间:2014-09-11 22:10:12    阅读次数:187
POJ 1094-Sorting It All Out(拓扑排序)
Sorting It All Out Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 28055   Accepted: 9689 Description An ascending sorted sequence of distinct values is one ...
分类:其他好文   时间:2014-09-11 21:00:22    阅读次数:168
Leetcode- Search Insert Position
Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order. You may assume no duplicates in the array。...
分类:其他好文   时间:2014-09-11 17:28:02    阅读次数:207
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