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Recently, the Auto virus in the U disk flooding, several friends have recruit, and then summed up a small skill, although not how good, but basically can be auto virus prevention, of course, special variants except, methods are as follows: You can in your USB disk or mobile hard drive to create a new autorun file, Because according to the laws of the computer, there can be no two identical names under the s

1. First in the VirtualBox Ubuntu virtual machine set up-> shared space-> add a data sharing directory, such as location D:\workspace, space name workspace, here Note If you want the virtual machine to mount automatically, Do not tick the auto-mount option; 2. Start the virtual machine, the/etc/fstab file at the end of the virtual machine added to the downlink Workspace /home/kongxx/workspace vboxsf 3. Restart the virtual machine, view the/h

The following error occurred today when you created a table with a federated master build: ERROR 1075 (42000): incorrect table definition; There can is only one auto column and it must be defined as a key Mysql> CREATE TABLE ANIMALS1 ( -> grp ENUM (' Fish ', ' mammal ', ' bird ') not NULL, -> ID mediumint not NULL auto_increment, -> name CHAR (not NULL), -> PRIMARY KEY (grp,id) ->) Engine=innodb; ERROR 1075 (42000): incorrect table definition; There

Slow encoding. The class name is too much to remember. It's too much trouble to press alt+/every time. One minute for you to fix: 1, eclipse–>window–>preferences in the left input box input ass 2, in search results find java–>editor–>content Assist click Content Assist 3, in the bottom of the Auto Activation tab set as shown:The first space entered is that you each by a code letter automatically prompts the delay time, the time theoretically fast

It is often said that one of the characteristics of IPV6 is mobility. So for IP terminals, how to understand the mobility of him? In fact, is IPV6 automatic configuration. Some time ago I was fortunate to have a colleague show me this function, but more questions have emerged. IPV4, such as computers, in the network card to set up automatic access to IP addresses and DNS. Then you can automatically obtain the IP address and DNS and gateway from the DHCP server. The following is the IPV4 Set

Boot self-start running software can be said to be a double-edged sword, on the one hand, easy to operate, on the other hand, too many startup items will reduce the boot speed. Today is the introduction of Apple Computer MAC OS X system to set up the boot automatically start running Software (boot entry) method. Right-click the icon on the Dock to set the software to run automatically with your MAC The first is the simplest way to set up your MAC to automatically start running Software (boot

Tags: alt set article. com tar base MySQL transaction Knowledge Base ConnectMySQL autocommit (auto-commit) is on by default, it has a certain impact on MySQL performance, for example, if you insert 1000 data, MySQL will commit1000 times, if we put autocommit off, through the program to control , only one commit is allowed.1, we can set the autocommit2, we can modify the MySQL configuration file my.cnf to close autocommitinit_connect= ' SET autocommit=

Tags: percent space informationFirst, backgroundThe problem we are experiencing is as follows: The automatic growth of the unwarranted end is increased in proportion to this ratio;650) this.width=650; "title=" image "src=" http://images.cnitblog.com/blog/48305/201308/ 07123224-0e576919994e4165a962a0c922ea8d86.png "alt=" image "Width=" 518 "height=" 173 "border=" 0 "style=" border:0px; background-image:none;padding-left:0px;padding-right:0px;padding-top:0px; "/>(Figure1: The problem Lies)When you

Label:The test script is as follows: 1 CREATE TABLE test1 2 ( 3 ID int primary key auto_increment, 4 name varchar () 5); Test code: 1 package Me.gacl.demo; 2 3 import java.sql.Connection; 4 Import java.sql.PreparedStatement; 5 import Java.sql.ResultSet; 6 Import me.gacl.utils.JdbcUtils; 7 8 public class Test { 9 public static void Main (string[] args) { Connection conn = null; One PreparedStatement st = null; ResultSet rs = null; try{

In some cases, you can only use a remote MongoDB instance and cannot log on to the server on which the MongoDB instance resides, and a list of hosts and ports for a remote MongoDB instance is maintained on a single server. It then automatically adds the appropriate monitoring to the host and port via the Zabbix Auto-discovery feature.This article is from the Linux SA John blog, so be sure to keep this source http://john88wang.blog.51cto.com/2165294/15

Because Oracle sets the primary key is not automatically incremented, you must use sequences and triggers to complete the increment of the primary key1. Set up a data sheetCREATE TABLE Test_increase (UserID Number (primary key,/* Establish PRIMARY KEY */Username VARCHAR2 (20));2. Create an auto-grow sequenceCREATE SEQUENCE testincrease_sequenceINCREMENT by 1--add a few each timeStart with 1-counting starting from 1Nomaxvalue--Do not set the maximum va

The JDK has the ability to automatically turn off classes after 1.7, and the advent of this feature provides considerable help for a variety of shutdown resources, and here we talk about auto-closing classes. After JDK1.7, an important interface was introduced, and an important method structure was modified: 1, autocloseable auto-shutdown Interface 2, try () {}--catch{}--finally{} Some of the corresponding

In an Oracle database, setting ID auto-increment is not as simple as MySQL, and a sequence needs to be set in Oracle.Now give the way, specifically as follows:First step: Create a tableCREATE TABLE Contestdb ( TID number () PRIMARY KEY, teamnum varchar () null, marknum varchar (+) Step two: Set ID self-incrementThe first way: do not use triggers1 CREATE SEQUENCE seq_tid; 2 INSERT into Contestdb VALUES (Seq_tid. Nextval, ' B2000700

IntroducedUse Zabbix's low-level auto-discovery function to complete single-host multi-port monitoring, see low_level_discovery, the overall monitoring of percona-like Zabbix monitoring plug-ins, but with the mymonitor.pl replacement of the script ss_get_mysql_stats.php , and with A bit different.Detailed code and configuration see: Zabbix_mysql1. Structure Description:zabbix_mysql/|-- readme.md|-- bin| | --Get_mysql_stats_wrapper. SH 5

Label:Auto-replace: Quick input SQL statement, such as input s, press TAB, automatically replace with select, for example, enter SF, press space, automatically replaced by select * from, very convenient, save a lot of time to write duplicate SQL statements.Setup method: Menu Tools–>preferences–>editor–>autoreplace (auto-replace) –>editThe following defines some rules as a referenceI=insertU=updateS=selectF=fromW=whereO=order byD=deleteDf=delete fromSf

Javaweb Learning Summary (37)--Get the MySQL database auto-generated primary keyThe test script is as follows:1 CREATE TABLE test12 (3 ID int primary KEY auto_increment,4 name varchar (20) 5);Test code:1 package Me.gacl.demo; 2 3 import java.sql.Connection; 4 import java.sql.PreparedStatement; 5 import java.sql.ResultSet; 6 import Me.gacl.ut Ils. Jdbcutils; 7 8 public class Test {9 public static void Main (string[] args) { Con

Due to the reconfiguration of the environment, and Eclipse is also installed 4.2, today, when the use of the discovery, actually did not automatically prompt function, that is, when an object actually can not point out his related methods. Later on the online search, the successful way is.1, I window->preferences->java->editor->content assistTick the Enable auto activation option: (e.g.)and add the. abcdefghijklmnopqrstuvwxyz after the point.The eclip

Tags: remove test affects tomcat add TAR.GZ process exp mkdirJenkins+maven+git Automatic integrated installation:In the server where Jenkins is installed, you must have a basic environment in which you can: Code Clone (Git), code compilation (Maven), Code Run (TOMCAT) to complete the auto-integration, PS:JDK first install the configuration.First, install Git#sudo Yum Install curl-devel expat-devel gettext-devel openssl-devel zlib-devel gcc perl-extuti

Tags: Oracle systemOracle 11g Settings Memory Auto-management:ALTER SYSTEM SET memory_target = 1024M scope=spfile;ALTER SYSTEM SET memory_max_target = 1500M scope=spfile;ALTER SYSTEM SET sga_target = 0 scope=spfile;ALTER SYSTEM SET sga_max_size=800m scope=spfile;ALTER SYSTEM SET pga_aggregate_target = 0 scope=spfile;Alter system set PRE_PAGE_SGA=FALSE Scope=spfile;This article is from the Internet + DBA blog, so be sure to keep this source http://king

Attention: Also to learn a ↑↑↑↑ Such a box of fragments is not from the original book , but my own understanding.Item 2 Understand Auto Type deduction-AutoType deductionBefore C++11, theauto keyword has been used to declare variables for the automatic storage type, with virtually no practical role, status and export Keyword (used to export a template outside of the compilation unit, and is also canceled in c++11).In the c++11,