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 ' =
For any JavaScript-based developer, this is definitely a must-read article, and an artifact that boosts development efficiency. Body Js 1. Ternary operators Using the ternary operator is a good choice when you want to write If...else statements in one line of code, such as: const x = 20; Let answer; if (x > 10) { Answer = ' is greater '; } else { can be abbreviated as: Const ANSWER = x > 10? ' is greater ': ' is lesser '; 1 1 You can also nest if stateme
In the process of writing CSS code, the number of code is very large, many properties will be reused, so to go back and forth to beat the same property name will take a lot of time. As a good web front-end person, you should understand the memory of various attributes of the shorthand way to improve their efficiency, reduce the number of code, enhance readability. As a novice who has just come into contact, the online collection of information, collat
Css|dreamweaver|dreamweaver8
The CSS specification allows you to create styles using abbreviated syntax, called shorthand CSS. Shorthand CSS allows you to specify the values of multiple properties with one property tag. For example, you can use attributes to set,,,, font font-style font-variant font-weight font-size line-height and font-family properties in a single line of syntax.
A key issue to note when
One of the efficient CSS notation is to use shorthand. By shorthand, you can make your CSS file smaller and easier to read. The understanding of CSS properties shorthand is also one of the basic skills of front-end development engineers. Today we summarize the abbreviations of CSS properties in a systematic way.1. Color abbreviationsThe abbreviation of color is t
One of the efficient CSS notation is to use shorthand. By shorthand, you can make your CSS file smaller and easier to read. The understanding of CSS properties shorthand is also one of the basic skills of front-end development engineers. Today we summarize the abbreviations of CSS properties in a systematic way.Color abbreviationsThe abbreviation of color is the
The HTML code is cumbersome to write because it has many labels.One way to do this is to use a template to fill in your own content within a skeleton that someone else has written. There is another way I would like to introduce today----shorthand method.The commonly used shorthand method, at present mainly is Emmet and Haml two kinds, this article will introduce.These two kinds of simple writing, function c
1. Abbreviations for colors-16 binary forms such as #RRGGBB-rgb function value forms such as (RGB (x,x,x)) x have two ways of writing, one is an integer between 0~255, the other is a percent sign form such as 20%-color names such as Red Green-User system color disk values such as windowtext background2. Omission of the unit valueWhen the value is zero, the units of any form can be omitted. such as width:0px can omit not to write.3 shorthand for intern
CSS shorthand refers to the shorthand of multiple lines of CSS properties, also known as CSS Code optimization or CSS abbreviations. CssThe biggest benefit of shorthand is the ability to significantly reduce the size of the CSS file, optimize the overall performance of the site, easier to read. The following are common CSS sh
Speed reading shorthand has always been a dream of many people skills, imagine that others read a book 2 days, you read a half-day, and remember than others know, it is a happy thing. Of course some people do not believe that there is such a skill exists, I can only say hehe. If you look at cards or the memory of any image, you'll be scared to cry.I think I can read fast, but the shorthand practice for a pe
The first group of work in the tenth phase of the public interest shorthand course of learning education March 31, 2016Number one: Liu JianfengTotal hours 52 minutes1, the digital code 1-10 finished production2, complete 36 1-5 praise oneself: Insist early morning reading and exercise, not only have a healthy physique, at the same time have a tall soul! Praise others: Our Hospital director of the Department of work and vigorous, but for patients such
The CSS specification allows you to create styles using abbreviated syntax, called shorthand CSS. Shorthand CSS allows you to specify the values of multiple properties with one property tag. For example, you can use the Font property to set the Font-style, Font-variant, Font-weight, Font-size, Line-height, and font-family properties in one line of syntax.
A key issue to note when using
The CSS specification allows you to create styles using abbreviated syntax, called shorthand CSS. Shorthand CSS allows you to specify the values of multiple properties with one property tag. For example, you can use the Font property to set the Font-style, Font-variant, Font-weight, Font-size, Line-height, and font-family properties in one line of syntax.
A key issue to note when using
First, the Code short Way Induction "1. Box Model Code shorthand: margin (margin), padding (padding) and border (border) settings The margins in the left and right four directions are set in a clockwise direction: top left 1, The left value is the same as the following code: margin:10px 10px 10px 10px, abbreviated as: Margin:10px;2, if the top and bottom values are the same, left and right values are the same, as in the following code: margin:10px 20p
The so-called Windows System directory shorthand environment variable is a relatively simple abbreviation for some common and fixed Windows directory paths, making it easier to enter or locate.
Windows system is installed by default in the computer C disk in the Windows directory, but this is not fixed, if your system is not installed in this directory, then the program to locate your system directory, you need to use the directory
checkout--check out, is our common command. Often used to switch branches, here is another use of git checkout.
2, Git checkout. Title
Action: Cancels all previous uncommitted modifications under the current directory. That is, we can use this command to cancel the previous modification before we change the code, but without a commit.
3, Git checkout a/abc
Explanation: The a/abc here refers to the directory structure. The meaning of this command is to cancel all changes to the ABC file in the A
Transferred from: http://blog.bingo929.com/10-css-shorthand-tips.htmlObjective:CSS shorthand refers to the declaration of multiple lines of CSS properties into a line, also known as CSS Code optimization. The biggest benefit of CSS shorthand is the ability to significantly reduce the size of CSS files, in fact there are many other benefits. A bloated and cluttere
One of the efficient CSS notation is to use shorthand. You can make your CSS file smaller and easier to read by shorthand. and understanding CSS attributes shorthand is also one of the basic skills of front-end development engineers. Today we systematically summarize the abbreviations for CSS properties. nbsp; Color abbreviations nbsp; Color abbreviations are
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 following code:1 Public class Age2 {3 4 Private intAgenum;5 6 Public intAgenum {7 Get{ 8 return This. Agenum;9 }Ten One Set{ A This. Agenum =value; - } - } the - Public intGetagenum () { - returnAgenum; - } + - Public voidSetagenum (intAge ) { + This. Agenum =Age ; A } at -}In main, do the following:1 New Age (); 2
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