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[ZT]DAS\NAS\IP SAN\FC SAN之区别
DAS:服务器直接后挂存储设备,最经济的一种结构。NAS:网络上直接挂接的存储设备,其实就是处于以太网上的一台利用NFS、CIFS等网络文件系统的文件共享服务器。SAN是网络上的磁盘,NAS是一个网络上的文件系统。IP SAN:应用iSCSI技术的SAN(storage area network)网...
分类:其他好文   时间:2014-10-16 17:57:02    阅读次数:248
Flashback Recovery Area的设置与取消
在Oracle 10g中, Flash back家族分为以下成员: Flashback Database, Flashback Drop,Flashback Query(分Flashback Query,Flashback Version Query, Flashback Transaction Q...
分类:其他好文   时间:2014-10-16 17:07:42    阅读次数:336
php 无限极分类查找家谱树
1:迭代的效率要比递归高,代码页相对少些,所以查找家谱树推荐用迭代$area = array(array('id'=>1,'name'=>'安徽','parent'=>0),array('id'=>2,'name'=>'海淀','parent'=>7),array('id'=>3,'name'=>'...
分类:Web程序   时间:2014-10-16 14:25:22    阅读次数:150
2014ACM/ICPC亚洲区域赛牡丹江站现场赛-K ( ZOJ 3829 ) Known Notation
Known Notation Time Limit: 2 Seconds      Memory Limit: 65536 KB Do you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It is also k...
分类:其他好文   时间:2014-10-16 03:40:51    阅读次数:191
flashback database操作步骤
默认情况数据库的flashback database是关闭的。启用Flashback Database 步骤:1.配置Flash Recovery Area 检查是否启动了flash recovery area:SQL> show parameter db_recovery_file;NAME T....
分类:数据库   时间:2014-10-16 03:10:31    阅读次数:231
ACM学习历程——ZOJ 3829 Known Notation (2014牡丹江区域赛K题)(策略,栈)
DescriptionDo you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It is also known as post...
分类:其他好文   时间:2014-10-16 00:15:21    阅读次数:587
C# Async, Await and using statements
Async, Await 是基于 .NEt 4.5架构的, 用于处理异步,防止死锁的方法的开始和结束, 提高程序的响应能力。比如:Application area Supporting APIs that contain async methodsWeb access Ht...
分类:Windows程序   时间:2014-10-15 17:28:01    阅读次数:238
2014ACM/ICPC亚洲区域赛牡丹江站D和K题
Known Notation Time Limit: 2 Seconds      Memory Limit: 131072 KB Do you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It is also kn...
分类:其他好文   时间:2014-10-15 00:11:49    阅读次数:297
2014牡丹江K Known Notation
Known NotationTime Limit: 2 Seconds Memory Limit: 65536 KBDo you know reverse Polish notation (RPN)? It is a known notation in the area of mathematic....
分类:其他好文   时间:2014-10-14 23:04:39    阅读次数:220
模拟实现ajax加载框
function loading(p_value,str) { if (p_value) { if (!document.getElementById("load_area")) { var para1 = document.cre...
分类:Web程序   时间:2014-10-14 19:10:59    阅读次数:168
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