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Log in with the SYS user, authorize the DBA to the OE user so that the execution plan can be viewed with the OE user: Oe@ocm> Conn/as SYSDBA Connected. Sys@ocm> Grant DBA to OE; Grant succeeded. Sys@ocm> Conn Oe/oe Connected. Oe@ocm> set

Now people have a digital camera is nothing new, let alone more than 5 million pixel digital camera is gradually become the mainstream. A digital camera can instantly convert images to a computer-recognizable image file format for browsing, sharing,

I do not know if you have contact with Linux, I talents, the knowledge of the alias is from Linux. Linux commonly used bash commands are hundreds, although in general the commands are very short, but often require a large number of parameters, so

We know that the basis for STRUTS2 to complete parameter transfer processing is OGNL and valuestack. And in this process, I also Struts2 to do the work of the roughly summed up to two aspects: 1. Encapsulate the OGNL operation, complete the value

What kind of MVC is needed In the application development based on B/s, from the basic technical Division of labor is two large, one is the software display interface, the other is the program logic. In the time of the scripting language of n years

In the previous section, we learned about WCF distributed development steps to win (5) service contract and Operation Overload part. Today we continue to learn about the knowledge points related to WCF service contract inheritance and service

First version First, let's write a message loop that's easiest to think about: MSG　 msg while(　GetMessage(&msg,NULL,0,0)　) { 　TranslateMessage (&msg); 　DispatchMessage(&msg); } The first parameter of the GetMessage function is a pointer to the

Nineth Chapter Normal Mapping and displacement Mapping This chapter focuses on two graphics techniques that support adding more detail to the scene without adding objects poly primitive. The first is normal mapping, which simulates illumination by

In today's security network of the tide, wireless technology undoubtedly plays a role in fuelling. As far as the video surveillance industry is concerned, 3G, WiFi, WiMAX three-bit as the main leading video to monitor the wireless move forward,

LAN in the construction and use, it is inevitable that such a failure. Troubleshooting and optimizing the system is one of the most basic tasks in managing a local area network. From the point of view of eliminating faults and optimizing performance,

What is a DHCP server? Why do we need to configure a DHCP server? The so-called DHCP is the Dynamic Host Configuration protocol abbreviation, that is, dynamically hosted configuration Protocol, which is a TCP/IP protocol cluster, the main role for

A good dial-up software to optimize the broadband network communication software-Cfosspeed First of all, be sure to remember that this software will not improve your physical bandwidth! Its function is to let your download upload all reach the

With the rapid development of network technology in China, the broadband network has emerged in many buildings and communities. But in the enjoyment of a variety of multimedia information at the same time, there is a problem often plagued the

In recent years, as the data center is the core of data communications and business applications, has been more and more financial, insurance, securities and the Internet and other large enterprises pay attention to the domestic has invested a large

With the rapid development of computer and IT technology, computer network has become a very hot topic, almost with every employee of the enterprise is closely related; From the enterprise local area network (including wired and wireless) planning,

Page page is always a kind of internal contact with a variety of colors, composed of a complete unified whole, the formation of the overall trend of color, called hue. Can also be understood as the color state. The color gives the person the feeling

In the previous article, I explained how to use an XSD schema to validate XML data documents. This one is a bit deeper: Can the XSD schema be embedded directly in the program as a resource? This way, we can better protect this file. Preparation:

Summary After SharePoint installation, you will also need to run the Configuration Wizard to start a SharePoint trip formally. Because almost all of the Web pages and configuration files in SharePoint are stored in the database, several databases

String lookup is an important operation in the field of information security and information filtering, especially in real-time processing of large text. As an example, the exact pattern string lookup is performed using GPU OpenCL. 1. Acceleration

You may have heard of R. Perhaps you've read an article like Sam Siewert's "Big Data in the cloud". You probably know that R is a programming language and you know it's about statistics, but is it right for you? Why do you choose R? R can perform