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// Single-character char and ansichar (in the current version (2007), they are the same thing, only 1 byte) var C: Char; {the value range of the char type is: #0 .. #255, in hexadecimal format: #$0 .. # $ ff} begin {value assignment in decimal

The variant structure, that is, the variant record, is a complicated concept and is not recommended by experts. I want to figure it out. The maximum cardinal is 4294967295, which is 4 bytes in size and its binary representation is:11111111 111111

Twaver's demo has common ring layout and tree layout, but when there are a large number of network elements and we don't want zoomoverview, we naturally think of double-layer layout, the overall effect is neither very crowded nor full of the entire

Javascript object-oriented programming:VaR cat = { Name = '';Color = '';} VaR cat1 = {};Cat1.name = "Mao ";Cat1.color = "yellow "; VaR cat2 = {};Cat2.name = "ermao ";Cat2.color = "black "; Changes to the original mode:Function CAT (name, color

JS: Scope chain and prototype chain Scope chain: lexical analysis, scope, and closureDuring function execution, lexical analysis (pre-compilation) is performed before execution.Lexical Analysis: analysis parametersAnalyze declared VariablesAnalysis

Bo Master language has been bad (if there are any typos, please comment) hope you understand, have not learned anythingToday encountered a very annoying thing is that 10 o'clock in the morning to open the computer, has been into the system (my

As a developer, the speed of loading or Refreshing Web pages is critical to their websites. There are much less methods for developers to debug JavaScript in various browsers. For example, in MozillaFirefox, you can use Firebug to debug JavaScript,

Javascript is a non-type language, so an array element can have any data class. Javascript is a non-type language, so an array element can have any data type. different elements of the same array can have different types, array Element settings can

There is no difference in the execution results of the four methods. However, if a function returns a value, calling the new method may disappoint you. There is no difference in the execution results of the four methods. However, if a function

Liquefaction deformation (forward deformation) problem asking questions continue last time http://bbs.csdn.net/topics/390962881? Page = 1 # post-398737904 I have solved the liquefaction formula U, but the image is unexpectedly deformed after use.

The principle of display () method implementation in thinkphp controller What is the implementation of the display () method in the thinkphp controller? The display () method can automatically find template files based on the called method name

I recently wrote a small calendar space. Put it up and save it. Below is the js source code: // JavaScript Document Calendar. js Function Calendar (){ This. lan_columns = new Array ("day", "one", "two", "three", "four", "five", "Six "); This.

Recently, I have read a lot of JavaScript closures (closure) related materials on the Internet, most of which are very academic and professional. For beginners, don't understand closures, and even the text descriptions are hard to understand. The

# Region Export FilePrivate static void ImportPage (HttpContext Context, string app, string entity, string id){# RegionAppEntity. App AppObj = AppEntity. GetApp (app );AppEntity. Entity En = AppObj. GetEntity (entity );# EndregionString columns =

JQuery plug-in expander for image flip Effect This article will share with you a special image flip Effect Based on the jQuery plug-in expander. There are 6 different image flip styles, which are very cool. If you need them, refer to them. Share a

The js method obtains the parameters passed by the get method. There are two ways: for example, the url is: http://h5.49you.com/reg.html? Sid = 1 & a = 2 & B = 3 & c = 4 1. function GetQueryString (name ){ Var reg = new RegExp ("(^ | &)" + name +

Inheritance of Javascript non-constructor, javascript Constructor 1. What is the inheritance of "non-constructor? For example, there is an object called "Chinese ". Copy codeThe Code is as follows:Var Chinese = {nation: 'China '}; Another object is

Js closure Summary I. Scope of Variables To understand closures, you must first understand the special variable scopes of Javascript. Variables have two scopes: global variables and local variables. The special feature of Javascript is that the

Classes: Collections Arrays ArrayList SortedList extends ArrayList HashMap HashSet */ /****************CollectionsNOTE: sort () return a new List****************/Function Collections (){}Collections. sort = function (){If (arguments. length = 1

Js method to get the parameters passed by the get method, jsget There are two ways: for example, the url is: http://h5.49you.com/reg.html? Sid = 1 & a = 2 & B = 3 & c = 4 1. function GetQueryString (name ){ Var reg = new RegExp ("(^ | &)" + name + "=