The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ...1is read off as"one 1"or11.11is read off as"tw...
分类:
其他好文 时间:
2014-10-25 15:50:19
阅读次数:
155
题目
Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement i...
分类:
其他好文 时间:
2014-10-25 00:51:38
阅读次数:
214
我们知道 Mysql读和写在性能方面的开销区别是较大的,一般来说 服务器顶着20%写的压力,另外80%的压力来自读,当然这也得看实际业务情况。
这篇文章准备配置一主三从,其实多少从没什么关系,一主多从其实是一主一从的延伸,因为从库之间是没有任何通信的,具体使用哪种方式看带宽负载和具体流量。
Mysql的主从replication原理其实就是Master不断地写二进制日志,Slave去读取日志,...
分类:
数据库 时间:
2014-10-24 23:39:30
阅读次数:
421
水一水。。import java.math.*;
import java.util.*;
import java.io.*;
public class Main {
BigInteger[] fib = new BigInteger[505];
public void work(){
fib[1] = BigInteger.ONE;
fib[2] = BigIntege...
分类:
编程语言 时间:
2014-10-24 20:50:50
阅读次数:
181
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[?2,1,?3,4,?1,2,1,...
分类:
其他好文 时间:
2014-10-24 18:14:41
阅读次数:
180
A system and method for accessing memory are provided. The system comprises a lookup buffer for storing one or more page table entries, wherein each o...
分类:
其他好文 时间:
2014-10-24 15:53:35
阅读次数:
282
深入理解Oracle RAC 12c
跳转至:
导航、
搜索
目录
1
概述2
集群件管理和故障诊断3
运行实践4
新特性5
存储和ASM6
应用设计上的问题7
管理和调优一个复杂的RAC环境8
备份与恢复9
网络实践10
优化RAC数据库11
锁与死锁12
并行查询13
集群件和数据库升级14
RAC One No...
分类:
数据库 时间:
2014-10-24 14:45:54
阅读次数:
302
Reverse a linked list from positionmton. Do it in-place and in one-pass.For example:Given1->2->3->4->5->NULL,m= 2 andn= 4,return1->4->3->2->5->NULL.No...
分类:
其他好文 时间:
2014-10-24 14:33:58
阅读次数:
154
问题描述:
Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without ...
分类:
其他好文 时间:
2014-10-24 13:08:49
阅读次数:
221
Find the contiguous subarray within an array (containing at least one number) which has the largest product.
For example, given the array [2,3,-2,4],
the contiguous subarray [2,3] has the largest pr...
分类:
编程语言 时间:
2014-10-24 13:01:16
阅读次数:
222