1. 什么是makefile makefile带来的好处就是——“自动化编译”，一旦写好，只需要一个make命令，整个工程完全自动编译，极大的提高了软件开发的效率。make是一个命令工具，是一个解释makefile中指令的命令工具，一般来说，大多数的IDE都有这个命令，比如：Delphi的make，Visual C++的nmake，Linux下GNU的make。make命令执行时，需要一个 Mak...
转载
2008-03-30 15:03:00
92阅读
2评论
1.WAS application hung2.many many thread caused the hung,if we don't try to stop application,what can we do for this issue?3.50 host ,one script,how can we send the error log to different team through
原创
2014-03-03 19:28:10
640阅读
Manifests are XML files that accompany and describe side-by-side assemblies or isolated app
转载
2008-09-04 23:13:00
91阅读
2评论
What is HEVC?
HEVC (High Efficiency Video Coding) or also called H.265 is the next generation Video compression standard is currently being standardized and is said to be ratified in Jan 2013. HEVC p
转载
2021-08-13 10:07:16
194阅读
学习资料： The Missing Semester of Your CS Education The Shell OverView $ doller 符号，表示普通用户 # pound 符号，表示 root 用户 还需要知道的一点是输入流与输出流之间的隔离 $ # echo 500 > hello ...
转载
2021-08-28 08:33:00
101阅读
2评论
The change vectors as constructed by the transaction layer are used by the cache layer to apply the physical block changes.
Redo log ordering and recovery as well as read consistency are the fundamen
原创
2006-08-04 22:59:42
577阅读
Value Name(s) Table method (TM lock)
0 No lock n/a
1 Null lock (NL) Used during some parallel DML operations (e.g. update) by
原创
2008-06-22 05:16:50
391阅读
1. 充满热情：喜欢你的工作，创造性做得最好比昨天更好。
2. 热爱你的代码：为人写代码，而不是为机器写代码，写干净的代码。
3. 版本控制：备份代码，跟踪变更，经常commit，如果build出错，就不要commit。
4. 阅读代码：在你成为一个好的作家之前，首
转载
精选
2010-11-02 15:23:52
587阅读
点赞
Hi! jack!—————————————打劫！
You bet！——————————— 你说的
转载
2010-12-08 11:22:45
287阅读
COMMIT操作是RDBMS中事务结束的标志，在Oracle中与commit紧密相关的是SCN(System Change Number)。
引入SCN的最根本目的在于：
为读一致性所用
为redolog中的记录排序，以及恢复
SCN由SCN Base和Scn Wrap组成，是一种6个字节的结构(structure)。其中SCN Base占用4个字节，而SCN wrap占用2个字节。但在
原创
2011-07-13 20:27:19
417阅读
1. BitLocker from http://www.360doc.com/content/11/0225/10/1509756_95943110.shtml微软在最新的windows7操作系统的旗舰版中为用户提供了一个强悍的BitLocker加密功能，该技术其实最早是出现于vista系统中，BitLocker加密技术能够同时支持FAT和NTFS两种格式，用来加密保护用户数据，可以加密电脑的整
原创
2014-01-13 10:26:07
299阅读
Coral heart startled to hear this sound, this sound very familiar, but it is
very far away. Guanqiao flash head, turned out to be the emperor, the emperor in
the palace all the time Duanjia Zi, even
转载
精选
2014-08-28 10:01:42
416阅读
问题描述 CentOS，执行ping命令的时候，提示：name or not know 解决方法 1、添加DNS服务器 vi /etc/resolv.conf 进入编辑模式，添加如下两行内容，分别是首选DNS服务器和备选DNS服务器。 nameserver 114.114.114.114 names ...
转载
2021-07-16 14:22:00
264阅读
2评论
Demand: There is an application app.exe. We want to debug it. The resources we have include: 1. app.pdb 2. all source code of it (.h/cpp) but without VS project setting files. It maybe build with Jam...
转载
2008-03-28 11:06:00
183阅读
2评论
Two purposes of latches were:Serialize Execution,Serialize Access
Match the characteristics with latches and enqueues.
Several modes of access
原创
2007-06-30 21:20:53
427阅读
The NOLOGGING clause doesn't prevent redo on all operations, but rather only on a subset. I searched the documentation for examples of this...
http://st-doc.us.oracle.com/11/112/server.112/e16541/par
原创
2010-01-13 20:57:28
472阅读
2005年IDC调查的RDBMS市场份额:
2008年IDC调查的Data Warehouse市场份额:
2008年做的未来dbms安装部署计划调查:
2008 rdbms market share:
Worldwide RDBMS Product Revenue by Top 10
原创
2011-07-12 20:37:31
3154阅读
Oracle CRS的心跳主要分为Disk和Network Heartbeat，不同种类的心跳超时会对RAC造成不同的影响。
Heartbeat Mechanisms
Disk Heartbeat ( Voting device ) – IOT
Network Heartbeat ( across the interconnect ) – misscount
Misscount – max ti
原创
2011-07-28 19:52:51
473阅读
Agile Vs Scrum: Know the Difference What Is Agile Methodology? Agile methodology is a practice that helps continuous iteration of development and test
转载
2020-01-09 09:58:00
159阅读
2评论
you don't know github
转载
2017-05-30 11:36:00
83阅读
