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How to achieve the auto focus of the Android camera, and it is continuously autofocus. Of course the direct call to the system camera is needless to say, that is very simple. Let's take a look at how to implement a camera on your own and achieve automatic continuous focus. The code is as follows: public class Mainactivity extends activity {private Surfaceview Surfaceview; Private Surfaceholder Surfaceholder; Private Boolean flag = false; Priv

Auto House Data Platform architectureInternet Enterprise Data Warehouse construction is to use the bottom-up approach, or top-down approach. If you are an architect in the data division, how do you plan a data warehouse? At the 2015 China Database Technology conference, Gaohong from the Auto House User Intelligence Group introduced the Auto House platform archite

Create a database and create a table. SQL code mysql> Create database ssh2; Query OK, 1 row affected (0.04 sec) mysql> use SSH2; Database changed mysql> Create table user( -id integer primary key, - firstname varchar(+) not null, - lastname varchar(+) not null, -Age integer ); Query OK, 0 rows Affected (0.46 sec) Add a self-increment function to the primary key: Java code mysql> ALTER TABLE user modify ID integer auto_increment;

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 default value to NEWID () and set the extended property ROWGUIDCOL.Option ExplicitValidationmode=TrueInteractivemode=Im_batchDimmdl'The curre

1.--Courseware auto-numberingDECLARE @pt_OtherCateCode varchar (50)exec app_s_spgetsequencenumber ' KJ ', 1, @pt_OtherCateCode output,02./*Func: Get Auto numbercreatedate:20140829Createuser:jesson*/Create Proc Sderp_spgetnumberexecute(@pi_Action varchar (50);)AsDECLARE @po_ProjectNumber varchar (50)DECLARE @pt_maxval varchar (50)if (@pi_Action = ' HZHB ')BeginSelect @pt_maxval =max (partnercode,4) +1 from S

The MySQL default mode of operation is autocommit auto-commit mode. This means that unless a transaction is explicitly started, each query is executed automatically as a separate transaction. We can change whether the autocommit mode is auto-committed by setting the value of autocommit. You can view the current autocommit mode by using the following command.' autocommit ' ; +---------------+-------+| variab

Http://www.cnblogs.com/edwardcmh/archive/2012/05/11/2495671.htmlOracle 11g has to be started manually every time you install it | Stop Database (Dbstart | Dbshut), the Listener (LSNRCTL), the console (EMTCL).Set up, if the listener does not start when the database is started manually (that is, start the listener automatically when the database is started, stop the listener when the database is stopped), you need to modify the Dbstart script file:[Email protected] ~]$ Cd/u01/app/oracle/product/11

Tags: BSP lock screen CTRL power settings shortcut not shared. com1: Operation settings Cancel Auto lock screen: setting-->power--->never2: Set the Auto lock screen shortcut key:Shortcut key settings are generally set in the setting-->devices--->keyboard , some of which can be directly modified, no can be added, for example, the lock screen related shortcut key settings, I have changed here:At the same time

let g:AutoPairs = {‘(‘:‘)‘, ‘[‘:‘]‘, ‘{‘:‘}‘,"‘":"‘",‘"‘:‘"‘}Set the symbol to be paired automatically let g:AutoPairs[‘Add symbols to auto-pair let b:AutoPairs = g:AutoParisSet the symbol to be automatically paired, default to G:autopairs, and you can set different auto-match pairs for different file types by using automatic commands. let g:AutoPairsShortcutToggle = ‘Sets the shortcut key for the pl

When Oracle is used, this situation occurs. When a module is added, only one module name is input, and there is a module ID in the table. This ID is set to auto-increment. But in Orac When Oracle is used, this situation occurs. When a module is added, only one module name is input, and there is a module ID in the table. This ID is set to auto-increment. But in Orac When using SQL Server, an

Next, let's take a look at the example of the c ++ overload post-auto-addition operator. If you need to learn the C ++ auto-addition operator, you can refer to it. The Code is as follows: Copy code # Include Using namespace std;Class num{Public:Int x;Num () {n = 1; cout Num (int I) {n = I; cout Num (const num s) {this-> n = s. n; cout ~ Num () {cout Int get () const {return n ;}Void

1 auto ignores the top-level const and retains the underlying const 2 3 int I = 0; 4 5 const int * const P = I; 6 7 auto P2 = P; // P2 is const int *, not const int * const 8 // * P2 = 4; // error, P points to constant 9 P2 = nullptr; // correct, p2 itself is not a constant 10 11 12 auto will not retain the reference type, should use

Author: redguardtoo) Version: 20120821 Original date: The so-called "Automatic completion" means that Emacs intelligently guesses the words that the user wants to enter and helps the user enter them automatically. If Emacs finds multiple options, the drop-down menu may also pop up for users to select. Generally, the intelliisense In the IDE can be regarded as an automatic completion ". The Automatic completion of Emacs is far more powerful than the normal IDE's intelliisense. For example, emacs

Correct use of margin: 0 auto and body {text-align: center;} to implement element center (convert) and margintext-align What are the similarities and differences between body {text-align: center} and margin: 0 auto? Text-align is used to set or align the text in an object. This attribute is usually used to set text alignment. When we set the horizontal center of an object, we usually set the Left and Right

Continuation Provisioning Services 7.8 Introductory Series Tutorial seven batch import deviceThe biggest drawback to bulk importing devices is that the MAC addresses of all devices must be recorded accurately before importing. Of course, this approach also has many conveniences, such as the ability to add different devices to different sites, different collections.The third way to do this is to add the device through the Auto-Add Wizard:Using the

Auto-increment will generate a unique number when the new record is inserted into the table, which is explained in this article. AUTO INCREMENT Field We typically want to automatically create a value for the primary key field each time a new record is inserted. We can create a auto-increment field in the table. Syntax for MySQL The following SQL statement define

For example, there are three fields: Table person, person, id (mysql database, primary key, non-auto-increment), and name and pswd. In the case of auto-increment, we usually process insertintoperson (name, pswd) values (# {name}, # {pswd}) in this way. you are not allowed to insert a primary key, because the primary keys of the person table are auto-incrementing.

Maven has a lot of good plug-ins, recently in the research package to replace the configuration of multiple environments, colleagues introduced the use of Ali Auto-config, used a bit really good.Auto-config is actually a lot more than the ant age character substitution, but Ant needs to write its own script to do these things, but Auto-config can be configured.Auto-config's core technology I personally thin

lotHttps://github.com/mcxtzhang/SupportDemos What is SortedList?The source pier notes are as follows: A Sorted list implementation that can keep items in order and also notify for changes in the list. Translation:An implementation of a sequential list (dataset) that can keep itemdata in order and (auto) notification list (Recyclerview) changes in the (dataset).MuttFirst it is a data structure, is an ordered list,list after the chan

This article describes how to set up the Eclipse Code auto-complete feature. Easily implement any letter you can enter the code completion prompt box. The Eclipse Code AutoComplete feature defaults to only the point ".", that is, only the input "." The auto-complete prompt box appears. It is also troublesome to always press "ALT +/" To complete the auto-completio