shorthand strokes

We can specify grid columns, rows, and areas in one property using the the grid-template shorthand. { display: grid; height: 100vh; grid-gap: 10px; grid-template-areas: "Nav-1 nav-2 nav-3" "main main nav-3"; Grid-template-columns: 2fr auto 1fr; grid-template-rows: [Nav-start] 1fr [nav-end Main-start] 5FR

Tips on some JavaScript, reproduced from HTTPS://WWW.GEEKJC.COM/POST/5A0A8C9A592E38541F7703C8.The 1IF statement can be abbreviated with a three-mesh operation:const x = 20;if (x > 10) {} else {Answer = ' less than 10 ';}Const ANSWER = x > 10? ' Greater than ': ' less than 10 ';　　2. String concatenation:var arr = [{ "name": "Dachun", "age": +, " sex": "Male" }];for (Let i = 0;i　3. Arrow functionsfunction SayHello (name) { console.log (' Hello ', name);} SetTimeout (function () {

This article comes from years of experience in JavaScript coding techniques that are suitable for all developers who are programming with JavaScript.The purpose of this article is to help you become more proficient in the use of JavaScript language for development work.This article will be divided into two parts: primary and Advanced, respectively.Beginner's article1, trinocular operatorThe following is a good example of a complete if statement, abbreviated to a single line of code.const x = 20;

The shorthand property is a CSS property that lets you set several other CSS property values at the same time. With the shorthand attribute, Web developers can write more concise, more readable stylesheets, saving time and effort.The purpose of the CSS specification definition shorthand attribute is to bring together those definitions of common properties on the

HTML5 Meta CharSet page character encoding shorthandHTML5 Meta CharSet page character encoding shorthand abbreviation tutorial (Music relaxation Chair)In addition to the DOCTYPE HTML can be shortened in HTML5, and this abbreviation compatible with the new old version and different brand browser, meta-CharSet Web page encoding can be abbreviated, but also compatible with the old version of the browser and browser and different brands.Related Tutorials

now, why add an OR?[PHP] mysql_connect ($host,$user,$pwddie ('Mysql error!'); [/php]If the connection fails, the front is false, the back die will run!Let's look at the following example:[PHP] $var = ";! $var Echo "It's empty!" ";! $var Print "It's empty!" "; [/php]which can be executed successfully?You know why?Here is the difference between echo and print:The difference between Echo and printThe functions of ECHO and print are basically the same in PHP, but there are subtle differences betwee

1. Weakly typed languages2. Variable $x3. Scope: Global,local,static,parameter.Global: In the function, refer to the world variable, before you call global. All variables are stored in a named $globals[index]. Global $x = = $GLOBALS [' x ']Static: Local variables in the function do not want to be destroyed after the execution of the function, with static. This will preserve the last value when the function is called again the next time.4. Array: $arr =array (x,x,x,x); Var_dump () Array (' a ' =

PHPclassa{ Public functionNews$news){ $articles=Array(); foreach($news as $key=$value) { List( $articles[$key[' Title '],$articles[$key[' Description '],$articles[$key[' Url '],$articles[$key[' Picurl '] ) =$value; if($key>= 9) Break;//only up to 10 text messages allowed } $data[' articlecount '] =Count($articles); $data[' articles '] =$articles; return $data; } }$arr=Array( 0=>Array("Title", "Description", "Url", "Picurl")));$a=New

,What are the consequences of such a way?It changes the contents of the two pointers together, but cannot change the other pointer itself, does it feel incomprehensible?It doesn't matter that P is assigned according to the left of the previous parent node, assuming that the previous parent node is called FWell, that'sp=f->left;At this time p and F->left are nullptr,Until this time, there's no problem.Then we kept to change the contents of P,This time, yes, we changed the contents of the two poin

Pcr:production Change RequestOsc:operation Support CenterSow:scope of workifa:integrated Finance ArchitectureCr:change RequestPfa:please Find AttachmentBau:business as usualPfb:please Find BelowMd:managing DirectorFsd:functional Specification DocumentRm:release ManagementUr:user RequestSr:service RequestEta:estimate Time AvailableCar:capital Adequacy RiskWip:work in ProgressLv:live VerificationSurf:solutions of urbanised FutureBas:business Application ServicesDr Drill:disaster Recovery DrillKt:k

Creating Object:Example 1:Let name = "Brook"= 249= "/users/avatars/brook-user-1.jpg"= {name, totalreplies, Avatar };addusertosidebar (user);Example 2:function Buildmetadata (object) { = parseint (object.id); = Object.updatedat | | Object.createdat; = _buildhashcode (object); = +; return { id, lastupdatedat, hashcode, Issecurehash () { return hashcode >= Issecurehash;}} ;}Example 3:function buildtopicelement (topic) { = ' return {title, author, Body};}Object des

Master-detail ApplicationMain applicationpage-based ApplicationPage-based applicationsSingle View Applicationapps in single viewTabbed Applicationthe application in the labelCocoa Touch FrameworkCocoa Touch FrameCocoa Touch Static LibraryCocoa Touch Static libraryIn-app Purchase EmptyWhen the app purchases an empty Command Line ToolCommand-line toolsBundle XPC ServiceBundle XPC service System Plug-inSystem PluginsCreate Git repository, source controlCreate repositories , source control BuildEst

on Oss.jfrog.org "also sends a request, not a few minutes, can be used, upgrade, unlike the first submission, very fast. Immediately you can update the reference version number on GitHub, instantly mood Shuangshuang.V. Some of the pits that have been trampled1)Lint found errors in the projectThe Lint check is turned on by default, Lint checks for syntax errors in the project and cannot continue if it is not passed. Just add the following code to the Module's build.gradle:Android { lintoption

bold 12px Arial,verdana;} 2. Background background-color: #999999;//element background color background-image:url ( "Path/bgfile.gif"); Set background image background-repeat:repeat-x | repeat-y | repeat | no-repeat;//Set Repeat background-attachment:fixed | Scroll Sets the fixed way of the background picture background-position:x axis coordinates, y coordinate [top,bottom,center,left,right,20px,10%]; Sets the position of the upper-left corner of the background, in which the coordinate

1. Start the container and map the host to the container portDocker Run-p 127.0.0.1:20001:22-ti Centos/bin/bash2, Daemon way to start the containerDocker run -d-p 127.0.0.1:5000:22-ti centos/bin/bashdocker run -ti-p 0.0.0.0:7600:9600-p 0.0.0.0:7603:9603-t I Configserver2.lhm/bin/bash3. Connect to the background containerDocker Attach eb93ec3a3143ae732cedf573538e9117eb9897c4f93816c6b9821dbc7549f50c4. View the process in which the container is runningDocker Top 261ea009ae265. View the container

1.fontThis shorthand property allows you to set multiple properties of a font in a declaration.The following properties can be set sequentially: Font-style Font-variant Font-weight Font-size Line-height Font-family For example:{ font: italic bold 16px 1 Sans-serif;}Font size and line height can also be written together. The middle is separated by a slash.The above attributes can also be written as:{ font: italic

Five ways to color in 1.HTML1) directly in the color of the English name expressionFor example, the background color is white;2. by 16 decimal notationFor example, the background color is black3). By means of RGBRGB: Is the first letter of the English alphabet in Red (red) green (blue) Three colors, with a value range of 0-255, with three parameter valuesIndicates that the background color is yellowDetailed values are shown in Figure 14). Expressed as a percentageThree values are based on a perc

Paragraph Pre preformatted Pre-defined format (text) Q Quotation Quoting language Rel Reload Load S/strike Strikethrough Delete Line Samp Sample Example (text Small Small Become smaller (text) Span Span Range Src Source Source file Links Strong Strong Aggravating (text)

Spring integrates with MyBatis and the code becomes very elegant!The main use of the jar package is Mybatis-spring-boot-starter.jar, whose maven dependencies are as follows, added to the Pom.xml fileTo create an entity class object: StudentCreate the Mapper interface and make @mapper annotations@MapperPublic interface Studentmapper {@Insert ("Insert into student (s_id,s_name) VALUES (#{id},#{name})")void Createstudent (Student Student);@Select ("SELECT * FROM Student")@Results ({@Result property

Tomcat URL shorthand case: Mock Web site* Actual url:http://www.baidu.com:8080/myweb/1.html * Actual location: F:\mywebapps\myweb\1.html * Final Access url:http://www.baidu.com * Step * 1 Available: http://www.baidu.com:8080/myweb/1.html * Virtual host www.baidu.com * 2 port: http://www.baidu.com/myweb/1.html * Server.xml modified to 80 because 80 port is the default port, so after entering the port, access, the port number will automatically disappea