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1 InnoDB The problem of duplicate values in the self-increment columnStart with the problem and reproduce the bugUse Test;drop table t1;create table T1 (ID int. auto_increment, a int, primary key (ID)) Engine=innodb;insert into T1 values INSERT into

Newly installed RedHat 6.0 operating system, in order to save time, selected "Minimize Installation" during installationThe operating system needs to run mysql-5.6.11, in the CMake compile times the following error:--Openssl_library =

First, the PDM model design:1, p is the primary key, M is non-null.2. Link Association3, reference foreign keytwo . powerdesign configuration MySQL ODBC1, official website: http://dev.mysql.com/downloads/connector/odbc/download ODBC driver

Ubuntu under the Chromium browser is not supported by default Flash, in the new German software package search Flash get "Adobe Flash Player Plugin installer" and no egg, Because after the loading did not know how to run AH ~ Fall ~super Search Not!

I. Directory structure　　Ii. Concrete Steps2.1 Applicationcontext.xml Configuration Xmlns:xsi= "Http://www.w3.org/2001/XMLSchema-instance" xmlns:context= "Http://www.springframework.org/schema/context" xsi:schemalocation=

Machine learning is undoubtedly an important content in the field of data analysis now, people who engage in it work are in the usual work or manyor less will use machine learning algorithms.There are many algorithms for machine learning, but there

Using Robotinum to the APK file for automated testing, without knowing the source of the situation, only the APK file how to automate testing it?You first need to re-sign the apk file and get the package name of the APK file and the class name of

This article mainly introduces the Web page embedded Baidu map and the use of Baidu Map API custom map Detailed stepsInsert Baidu Map in Web pageIf you want to add Baidu map on your own page, you can use the Baidu Map API. Use the following

Quick-cocos2d-x Beginner's Game tutorial (Fri)In the previous chapter we created the game's menu scene and explained the creation of some basic elements, and in the next chapter we will let you know some of the tools that will be used in the next

Prior to the deployment of the company BI Project example, found that the database tables are not set the primary key, foreign keys, has been thought to be a simulation project, the reason for not rigorous requirements. Today we know that the Data

Today, came to a new university, is I completely feel the incredible university, the environment is too good! Here have a good learning environment, really want to keep on campus learning, but only here to stay for a year! Since it is a receiver, it

First, we think of the export (equivalent to declare-x) command: $ export | grep ' Declare-x _= ' Not found, so the conclusion is _ is not an environment variable? Of course it's not that simple, otherwise this article

Source of the problem:The serial data interface is debugged, and the data line is expected to be nanosecond-delay in CPLD (EPM570).Resolution process:--Using Insert Lcell to delay, Lcell delay is relatively fixed but will be affected by temperature,

We need a better way to manage virtual machines. For example, you might want to create a virtual machine for several Linux systems, because the project you are developing will ultimately run on a server on a Linux system. So, you're planning to

Wget is a very useful Internet download tool, he has a lot of features are not comparable to other tools, and he is a lightweight configurable download tool.This article combines examples to introduce a variety of download methods and uses for

Printer Connection Wizard, which automatically identifies the simplified Chinese system and then selects the prompt voice.Connect using the current user first, if not the intranet user, the connection cannot be established, then the printer operator

Stash sign in when prompted to enter a verification code, but the verification code does not show, how to solve it?Error message: 650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/72/85/wKiom1XlXJ_wyyq-AAFhGMLGC1I205.jpg "title=" Login

Percona-toolkit is a collection of advanced command-line tools that perform a variety of manual execution of very complex and cumbersome MySQL and system tasks, including:??? 1. Check the consistency of master and slave data??? 2. Efficient

Stock Buying experience (method class 80)The first: Do not wait for the lowest price to buy, because the stock price may have started to pick up when waiting, do not wait for the high price to sell, because in the waiting, the stock price may have

How to install JDK in Ubuntu and JDK in Ubuntu Download JDK 1. Download the related JDK from the Oracle official website. 2. Create a folder under your account and name it "Java". Of course, you can name the folder at will. That is,