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DB2 alter: Add/delete/Reset Column 1. Add Fields Alter table [table_name] add [column_name] [column_type] 2. Change the field type Alter table [table_name] alter column [column_name] Set Data Type [column_type] Note: There are restrictions on

Recently I tried to use squirrel for the Web. After a long time, I finally succeeded in using fcgi and used squirrel script as the web server.   I used SHTTPD before, and later I used a part of SHTTPD.CodeI wrote a C ++ web server and added file

I encountered this problem inexplicably today. The newly created MFC dialog project cannot use the resource view. "Fatal error rc1107: Invalid usage; Use RC /? For Help" After some Google operations, the solutions are as follows:"Tools"->

In fact, this is a kernel configuration problem, mainly because the file system is incomplete. Of course, the USB driver and mass storage/SCSI disk/vfat support should be selected. If not, refer to the following: 1. Prompt Unable to load NLS charset

Address: http://blog.sina.com.cn/s/blog_722b43a60100q5ht.html This tutorial is composedOriginal, reprinted please indicate the source.     After reading the previous article, you shouldThe system has a preliminary concept. Before starting the flash,

I. Determination of common hard disk faults Generally, hard disk faults can be divided into hardware faults and software faults. Relatively speaking, hardware faults caused by software are complicated because hard disks involve system software and

Gmail has never been so popular. Many people are still worried about the invitation. This guy is here. It's an exaggeration to say. With such a large mailbox, you may want videos, movies, music, and even large online games. When registering, you

1.4.1. first-person shooters (FPS)Http://en.wikipedia.org/wiki/First-person_shooter 1.4.2. platformers and other third-person gamesHttp://en.wikipedia.org/wiki/Platformer 1.4.3. Fighting gamesHttp://en.wikipedia.org/wiki/Fighting_game 1.4.4. racing

sudo add-apt-repository ppa:bumblebee/stablesudo apt-get updatesudo apt-get install bumblebee bumblebee-nvidiasudo reboot Bbb3.0 for Ubuntu is very intelligent... All configured, including the power management Code: lspci |grep VGA Output Reference:

  Feng Qiang/Wen   In August this year, amd appointed former Lenovo President and coo Rory read as the new CEO of the company. The reason why AMD made such a choice is that, apart from the good relationship with upstream and downstream Supply Chain

As a beginner in web development, my first use of Chrome is attracted by its outstanding performance!Before using chrome, I have been using browsers such as window of the world, travel, 360, and so on. These browsers are characterized by powerful

In this article, we will use the above testing tools to display the test results in charts and compare them based on the data. The raw test data can be downloaded from here. 1. Test the execution performance of the JavaScript Engine 1. Google V8

Sqlplus command User Guide Sqlplus command User Guide (1)Anyone familiar with Oracle knows that SQL plus is an important tool for dealing with Oracle. SQL plus itself has many commands that can help us do many things, including generating

Liferay has two types of services: 1) Internal ServicesLiferay core services, such as portal-impl.jar 2) External ServicesThat is, portal APIs, such as portal-kernel.jar and portal-service.jar The liferay internal service is updated frequently. Pay

Digital envelope encryption technology (algorithms combined with RSA and DES) This algorithm combines the advantages of DES and RSA. Principle: !. The sender uses the des key to encrypt important data. 2. the sender uses the RSA public key to

Document directory RTC interrupt service program Reprint address (this article is also reproduced): http://blog.chinaunix.net/uid-15443744-id-2772596.html     Each pc has a Real-Time Clock device. When you turn off the computer power, it

Action class:• Struts1 requires the action class to inherit an abstract base class. A common problem with struts1 is the use of abstract class programming rather than interfaces.• The struts 2 Action class can implement an action interface or other

Get tired of traditional email formats, fear spam harassment, and desire personalized email icons Have your own favorites icon, personalize your subscription icon, and create a blog Association icon You can use the following tools to fulfill your

From architecture design to system implementation-a new series of. NET 3.0-based enterprise application courses (1):. NET-based system development. Zip Lecture content: this series of courses will use the Case Teaching

Details on the use of Log4J log management, which is essential for java Development I. Preface:Log4j is an open source project and is a widely used logging package written in Java. Due to the outstanding performance of log4j, at the time when log4j