"alt=" Wkiom1xe382wr9bkaadrgmdqmf0548.jpg "/>Snapshot Features:Rationale: Create a snapshot volume that tracks file changes on the original volume, copies the changed files to itself for future recovery, so that the snapshot volume saves a lot of space compared to a full backup, and the snapshot volume is generally set to a read-only state1. Create a Snapshot Volume:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/72/3E/wKiom1Xe5ZugyBcvAABAgPON_xU613.jpg "title=" 93.png "alt=" Wkiom1x
use of float: float translation into a floating layer, do not occupy the page space, many ads are used in the floating layer, but also facilitate information push in the background. .left{ Background:# 606060;} . Right{ Background: #123456; float:left; Top:0;position:absolute} . Down{background: #321321; float:left;top : 0;position:absolute} .{width:40px;:40px} If you modify the style as shown above, the last div will be overwritten with all
Although the popularity of flattened style and responsive design has reduced the usage of textures in web design, in general, the most direct way to make a site have texture is to use the appropriate texture. Texture is the most common and commonly used element in web design, and in different Web pages, textures can sometimes be magically corrupted.
Textures can bring the visual experience of the real world into the web design, exquisite wood texture
‘mdm.admin.configs‘ => [
‘menuTable‘ => ‘dbname2.menu‘,
// ‘userTable‘ => ‘dbname2.user‘,
],
Notice, above this why configuration item usertable block, this depends on personal configuration, open file Vendor\mdmsoft\yii2-admin\components\ configs.php file, see if there is no usertable property, if there is, you need to configure here, if not, you configure the trial report no errorOne more step, the last and last step, is also an example of the explanation oh.For example, if we
Node. js emitter. emit method instructions, node. js Use Cases
Method description:
When an event is triggered, several optional parameters are passed to the parameter table of the event listener.
Syntax:
Copy codeThe Code is as follows:Emitter. emit (event, [arg1], [arg2], [...])
Receiving parameters:
Event Type
Arg1 ~ Parameters passed by argN (multiple)
Example:
Copy codeThe Code is as follows:Var events
[C ++ 11] _ [primary] _ [Use Cases of unique_ptr]Scenario
Std: unique_ptr is a new smart pointer provided by C ++ 11. It has the following features:A non-thread-safe alternative to auto_ptr, because it does not provide copy Constructor and Copy Assignable, that is, pointers cannot be copied. only one smart pointer has ownership of the contained instance object, meaning that only one smart pointer calls the
1. Introducing the JAR file2. Add Spring MVC Interceptor Configuration to the Springmvc-config.xml filePrinciple: The target filters all spring MVC requests, judging that the request parameters contain the callback parameter, and the response is returned in JSONP format.Note: If there is a better way, please let us know and appreciate it."Spring MVC" framework-core cross-domain use cases
declared in this scope only needs to be added to the/include/fcgio.h file #includeThe installation is finished.3, write and test fcgi program1) Demo test program fcgi_test2.c as follows: #include "fcgi_stdio.h" #include int Main (void ) {int count = 0 ; while (Fcgi_accept () >= 0 ) {printf ( "content-type:text/html\r\n" "\ r \ n" Span class= "hljs-string" > " " Request number%d running on host , ++count, getenv ());} return 0 ;} 2) compiling[Email protected] cgi-bin]# gcc-g fcgi_tes
SVN directory use case:A team plans to develop a "Mo Mo" projectPart of the base code is already in the early stages of this projectResearch and development team in this basic code after 3 months of effort, developed a relatively complete V1.0 version of the launch promotion, and achieved good results (backup to tags)As the market feedback was good, the team began to work on the development of the V2.0 versionIn the development of the V2.0 version, it
Take the MAVEN project as an example:Steps:1. Add dependency to the Maven Pom.xml file:You will then add 3 jar packages:2. Add log4j.properties under the project 3.log4j.properties File Contents4. Configure in Web. xml: "classpath:" Representative:/web-inf/classes/5. Add in the code:6. The following can be used:Classpath is the path that represents/web-inf/classes/.Classpath and classpath* differences:Classpath: Only look for files in your class path;Classpath*: Includes not only the class path,
Label.transform = Cgaffinetransformmakerotation (*m_pi/180.0);Rotate clockwise 90 degreesLabel.transform = Cgaffinetransformmakerotation (*m_pi/180.0);Rotate clockwise 180 degreesLabel.transform = Cgaffinetransformmakerotation (*m_pi/180.0);Rotate clockwise 270 degreesCgaffinetransform transform = label.transform;Transform = Cgaffinetransformscale (transform, 2,0.5);//The front 2 means twice times the horizontal magnification, and the back 0.5 means half-scaled.Label.transform = transform;View p
Today we have access to the data sharing class and now summarize how it's used1. Directly bind a menu item, the code is as followsIn fact, the icon in this can not be set, because you set up and no effect. It's actually set in the theme. item android:id = "@+id/action_share" Andro Id:icon = "@drawable/ic_menu_share_holo_light" Android:title = "@string/share" android:enabled = "true" Android:actionproviderclass = "Android.widget.ShareActionProvider" android:visible = "false"
Converts a list of strings to NumberList public static extends number> list Stringtonumlist (String str) {List new arraylist (); if (Stringutils.isnotempty (str)) {str ing[] Idarr = Str.split (",", 0); for (String Id:idarr) { Span style= "color: #0000ff;" >if (Stringutils.isnotempty (id)) {//list.add ((T) integer.valueof (ID )); }}} return list; }Generic Use Cases
(Gameobject, args);}Called in object Movementvoid Animationupdate (bool f){Debug.Log ("UPDATE:" + f);}Called when the object starts to movevoid Animationstart (float f){Debug.Log ("Start:" + f);}Called when an object is movedvoid Animationend (string f){Debug.Log ("End:" + f);}}2. Auto-pathfinding, in fact, according to some of the established points to move the object, the script is mounted on the object to be movedUsing Unityengine;Using System.Collections;public class Path:monobehaviour {All
column name, alias, or location mark. The column name of the query result is consistent with that of the first select statement.
7. It can be used for subqueries.
2 Use Cases of exists and in
You can directly write multi-table join operations without writing subqueries. The reasons are as follows:
① In the parse stage, Oracle CBO converts sub-queries into multi-Table connections as much as possible.
②
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