pillars of oop

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Today to share a JavaScript oop in the resolution of this point to the object of the small tricks, very practical yo!Let's look at a piece of code first:We can judge the Func (); and Obj.func (); Is this the two sentences?first of all, we all know that the point of this is the object that ultimately calls the function. But can you clearly judge the object of the function that is finally called? However, there are a few points to note:①this points to

Object-oriented is not a technology, but a kind of thinking, is a problem-solving the most basic way of thinking! How to understand usage? OOP: Object-Oriented Programming(Direct code description)1. Example of an object-oriented basic concept demo:1PHP2 Header("Content-type:text/html;charset=utf-8");3 //How do I instantiate a class? For example: $newA = new A (); Using a class to get an object, the procedure is an instantiation of the class. The keyw

, because the string representation does not include the method at all. In summary, the serialization of PHP is useful for saving the member variables of an object. (You can also serialize related arrays and arrays to a file). Example: Copy Code code as follows: $obj =new Classfoo (); $str =serialize ($obj); Save $str to disk A few months later Mount Str from disk 　 $obj 2=unserialize ($STR) You have restored the member data, but not the method (according

This article illustrates how jquery uses the OOP mode class class. Share to everyone for your reference, specific as follows: I find it convenient to use class to manage the various function of jquery, and the code is very readable. I used to like to build file writing function, and then include files, then find a function is more trouble. No class is used to manage function convenience. Crap said no more. First, oop.html Two, build a oop

If you understand basic OOP concepts, I will show you more advanced technologies. Serializing) PHP does not support permanent objects. in OOP, permanent objects are objects that can maintain the state and function in the references of multiple applications, this means that the object can be saved to a file or database, and objects can be loaded later. This is the so-called serialization mechanism. PHP has a

If you understand basic OOP concepts, I will show you more advanced technologies. Serializing) PHP does not support permanent objects. in OOP, permanent objects are objects that can maintain the state and function in the references of multiple applications, this means that the object can be saved to a file or database, and objects can be loaded later. This is the so-called serialization mechanism. PHP has a

Use the OOP feature of PHP to implement data protection. Read the OOP feature of PHP to implement data protection. in PHP4, variable declaration usually uses var, while in PHP5, you can use the object-oriented programming (OOP) feature to customize the visibility of data-accessibility. the visibility is very similar to the variable scope, but provides a better co

I used to write PHP in a process-based or simple func way, because the scope of the application was small, so the problem was not obvious. Now the need to expand the application, so that the coding pressure is getting bigger. So want to use OO, but always feel not to know how to feel? For a beginner, how to start PHP oo? Reply content: I used to write PHP in a process-based or simple func way, because the scope of the application was small, so the problem was not obvious. Now the need to ex

For Ajax, do not write JavascriptCodeIt is almost impossible to implement a good Ajax page, Of course, you can use updatepanel in Ajax extensions to implement some basic Ajax functions, However, if you want to better understand Ajax, you cannot avoid it when writing JavaScript on the client, In ASP. NET Ajax, Microsoft has developed a Good OOP extension for Javascript, It implements basic OOP functi

Chapter 3: EXT OOP Basic I, Javascript Class Definition In JavaScript, you can create a constructor to define a class, and then extend the functions of the class through prototype. Suppose we define a crab class: crab = function () {This. legs = 10;} crab. prototype = {say: function () {alert ("I'm a crab, I have" + this. legs + "My nature") ;}}; // test var crab = new crab (); alert (crab. legs); crab. say (); prototype is a very impo

? object-c? Oop?? Source organization??, Foundation framework? 11.1 Why is OOP? OOP is a constructing software composed of objects. Objects is like the little machines living inside your computer and talking to each other to get work done.Oop? is the software that is made up of objects. Objects are like small machines that exist in your computer and work through

The future of OOP Author/bjarne Stroustrup Tim Lindholm compiling/Meng Bet the treasure on Java? or adhere to C + + not waver? Or think about C #? Are you hesitant? Listen to the experts below to learn more about the status and future of Object-oriented programming languages. Key words: C++,java,c#,oop The progress of science and technology is rapid, the product production cycle is getting shorter, many pr

Yui3's AOP (Aspect-Oriented Programming), OOP (Object-Oriented Programming), and yui3aop First, put your hands in front of your chest to become a meditation: I went to life, or I was living myself? I didn't come up with the answer. Well, I can read the following. From a semantic perspective, different expressions of the same thing can reflect the different subjective perspectives of people. From a philosophical perspective, we will look at different p

Objective-C basics: Basic knowledge of Object-Oriented Programming (OOP) (1) -- indirect, objective-coop Since Cocoa is based on the concept of OOP and Objective-C is also an object-oriented programming language, it is necessary to frequently discuss the concept of OOP when learning Objective-C. 0x01 what is indirect? Indirection is a key concept of

[Comment] write an OOP object-oriented class. function: scan the entire site folder! Function:Scan all specified types of files on the entire site and collect their paths to the database. (Used to filter out files with a size of 0) Completed:I use OOP to write, but I always feel a lot of deficiencies. In the past, basically no OOP was used, and all processes we

Tag:php object-oriented oop A OOP 's Magic Method PHP introduces a __autoload () built-in method to automatically include class files. __autoload () should be written as a method of a single parameter. When the PHP engine encounters an operation that attempts to instantiate an unknown class, it calls the __autoload () method and passes the class name as a string parameter to it. Function__autoload ($_class

This article mainly introduces Yui3 AOP (aspect-oriented programming) and OOP (object-oriented programming), the need for friends can refer to the First, put your hand on your chest and meditate: Am I in life or am I being myself? I didn't come up with the answer, well, I can read the following. From the semantic point of view, the different expressions of the same thing can reflect the difference of human's subjective angle of view, from a philosop

conversion: refers to the conversion of a base class to a subclass. That is, the conversion of base to derived.At this point, we need to note that except for a special case (which we will say below), all upward and downward conversions refer to pointers or references to conversions, not ordinary objects !First, here we briefly describe the static type and dynamic type of the variable (run-time type). Because of the introduction of OOP, there are two

? Those familiar with other OOP languages May is tempted to the property ' super ', but jsreserves this word For the future use. The word ' parent ', while used in some DOM items, is free for the JS language itself, so let's call Itparent in this example: New mammal (); Cat.prototype.constructor== mammal.prototype; Cat.prototype.haveABaby=function() { varthis. Parent.haveABaby.call (this); Alert ("mew!" ); returnSpoofing Pure Virtual Class