auto genesis

Mysql fails to insert data to prevent auto-increment primary key growth method mysql sets the auto-increment primary key ID, and the auto-increment ID that fails to insert is also added, for example, five failed, the next success is not to add 1 to the previous successful data, but to add 6 to the data. The number of failures increases by 1 at a time. Can you kee

Af:auto Focus AutofocusPdaf:phase Detection AF Phase FocusCaf:contrast Detection Contrast Focus/contrast focus (continuous shooting with a certain step, select a large position of contrast value)Transferred from: http://www.jianshu.com/p/1ccbaf458354Autofocus (auto focus) is a technology developed in the the 1960s and is used primarily in cameras and other optical devices. Many technologies are needed, such as semiconductors, optoelectronics, Micro mo

1, the advantages of auto key oneThe Auto keyword knows that the compiler pushes the type of the variable based on the initial expression of the variable, with the advantages of using auto mainly:(1) Robustness: When the expression type changes, including the function return value type transformation, the program can still run correctly, do not need to change all

XML query in SQL Server: For XML specify Auto Objective In SQL Server, an XML query can specify Raw,auto,explicit,path. This article introduces some examples of XML queries that specify auto in SQL Server. Basic example Fragment 1: With TestxmlAs(Select 1 as Id,n ' leewhoeeuniversity ' as nameUNION ALLSelect 2,n ' DePaul 'UNION ALLSelect 3, NULL)Select Id,na

I am a newbie. I have been confused for a long time. Today I decided to ask you the correct or common practices. Here is a simple example: id, title, content ,...... Label table: id. The two tables above the title obviously require auto-incrementing IDS as the primary key to ensure uniqueness. Design 1 next... I am a newbie. I am confused about this question for a long time. Today I decided to ask you the correct or common practices. A simple example

Repeated innodb auto-increment column values 1. duplicate values in the innodb auto-increment column Start with the problem and reproduce the bug. use test;drop table t1;create table t1(id int auto_increment, a int, primary key (id)) engine=innodb;insert into t1 values (1,2);insert into t1 values (null,2);insert into t1 values (null,2);select * from t1;+----+------+| id | a |+----+------+| 1 | 2 || 2 | 2 |

The C++14 standard has recently been passed, as before, without much change to the language, and the C++14 standard is to make it easier for programmers to program by improving C++11, c++11 introduce the Auto keyword (strictly speaking, auto starts with C + + 03, just C + + 11 changed the meaning of auto), Auto makes y

/cdrom cd/media/cdrom/images/pxeboot CP vmlinuz initrd.img/ tftpboot/ cd/tftpboot/ ls initrd.img pxelinux.0 pxelinux.cfg vmlinuz #配置启动菜单文件, Copy the boot file from the system to the TFTP directory and rename it to Cp/media/cdrom/isolinux/isolinux.cfg/tftpboot/pxelinux.cfg/default #修改启动菜单文件 Cat default default Auto 0 #为0时不选择自动按默认安装, select the option to install label Auto #配置选项

1. Open the Content Assist, Editor----perferences, Window-----Windows, Eclipse, and find auto-activation in the bottom-right column, below three Option to find a second "Auto activation triggers for Java:" option2. In the text box that follows, you will see a "." Exist. This means: only enter "." Then there will be code hints and auto-completion, modify here. Put

] ~]# Yum install autofs-y[[email protected] ~]#/etc/init.d/rpcbind start[[email protected] ~]#/etc/init.d/autofs start Configure Client Auto-mount (AUTOFS) NFS server-side shared directory [[emailprotected] ~]# vim/ Etc/auto.master # # Sample Auto.master file # This is a ' master ' automounter map and it Has the following format: # mount-point [Map-type[,format]:]map [ Options] # for details of the format look at Auto.master (5).

If you have used the automatic completion function of Visual Studio, then use Eclipse's Auto-completion function, I believe you will be a little disappointed.But eclipse is actually very powerful, and Eclipse's auto-completion is not as good as it is because the eclipse's completion function uses the default settings. You just have to change it a little bit.The simplest way to modify this is: Windows-->pref

If you have used the automatic completion function of Visual Studio, then use Eclipse's Auto-completion function, I believe you will be a little disappointed.But eclipse is actually very powerful, and Eclipse's auto-completion is not as good as it is because the eclipse's completion function uses the default settings. You just have to change it a little bit.The simplest way to modify this is: Windows-->pref

If you have used the automatic completion function of Visual Studio, then use Eclipse's Auto-completion function, I believe you will be a little disappointed.But eclipse is actually very powerful, and Eclipse's auto-completion is not as good as it is because the eclipse's completion function uses the default settings. You just have to change it a little bit.The simplest way to modify this is: Windows-->pref

The Eclipse Auto-fill plenary is selected with a space, [and sometimes triggered.There are several ways to do this online:1. Change the source code, more troublehttp://blog.csdn.net/zhangjk1993/article/details/24838489http://blog.csdn.net/afgasdg/article/details/24247863Http://blog.sina.com.cn/s/blog_6c9444750101bbrc.html2. Set the delay of auto-completionContent Assist, Editor-in-Java, Windows-i-Preference

If you have used the automatic completion function of Visual Studio, then use Eclipse's Auto-completion function, I believe you will be a little disappointed.But eclipse is actually very powerful, and Eclipse's auto-completion is not as good as it is because the eclipse's completion function uses the default settings. You just have to change it a little bit.The simplest way to modify this is: Windows-->pref

To the photographic enthusiasts to share the detailed analysis of the Canon 7D camera selection mode of Auto focus area selection. Method Sharing: Canon 7D selection of autofocus area selection mode is both conventional and personalized, the camera's personality has been significantly changed. Select the "6: Choose Autofocus Area selection mode" in "C.Fn III: Auto Focus/Drive" in custom feature, and then ch

Fireworks mx2004--auto Shape PreviewToday Macromedia officially released the MX2004 version of the software, the trial version also began to provide downloads.Preliminary trial, basic and the original introduction of similar, the new function is not a lot, it is not worth dozens of dollars to upgrade.There are several features to say:1, Replace Color tool: Feel like a 4.0 version of the Eraser tool version, using the specified color, the specified col

To the photography enthusiasts to the detailed analysis to share the Canon 5DMarkII camera change autofocus mode settings tutorial. Tutorial Sharing: Canon 5D Mark II has 3 autofocus modes available for real-time display in camera mode: "Quick Mode", "Live Mode" and "Real-time face priority mode". 1. Press the auto focus mode selection/Drive Mode selection button In the real-time display shot screen, press the AF mode selection/Drive m

Original: powerdesigner-vbsrcipt-Auto set Primary key, foreign key name, etc. (SQL Server)When designing SQL Server datasheets in PowerDesigner, the following functionality is required through VBScript scripting:Primary key: Pk_tablenameFOREIGN key: Fk_tablename_foreignkeycolumnlistWhen the field is a primary key and the type is Smallint,int,bigint, set the identity =true.When the field is a primary key and the type is uniqueidentifier, set the defaul

Tags: log cts using Mon Apple in sequence mobile byte encMongoDB does not have auto-growth functions like SQL, and MongoDB's _id is a 12-byte unique identifier that is automatically generated by the system.In some cases, however, we may need to implement the OBJECTID auto-grow feature.Since MongoDB does not implement this function, we can do it programmatically, the following we will implement the _id field