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Section 5-clone-ClassesandObjectsinPHP5 [5]. Section 5-clone an object model in PHP5 to call an object through reference, but sometimes you may want to create a copy of the object and expect that the change of the original object will not affect the copy. in this case, section 5-clone The object model in PHP5 calls an object through reference, but sometimes you m

/* + Tips + | this document is Haohappy-read | notes in the ClassesandObjects chapter | translation-oriented + personal experiences | do not repost the notes to avoid unnecessary troubles. thank you | /* + --------------------------------------------------------------------------------- + | = This article is Haohappy read > | = Notes in the middle Classes and Objects chapter | = Translation + personal experience | = do not repost to avoid unnecessary troubles, thank you | = Welcome to critic

How to explain the two $ this in the _ clone () method of php? What are their meanings? {Code...}: how does one explain the two $ this in the _ clone () method of php? What are their meanings? Class Person {// The following is the member attribute var $ name of a Person; // The name of a Person var $ sex; // gender var $ age of a Person; // person's age // define a constructor parameter to assign values to

Section 5 clone [5]. The object model in PHP5 calls an object through reference, but sometimes you may want to create a copy of the object and expect that the change of the original object will not affect the copy. for this purpose, the object model in PHP 5 calls an object through reference, but sometimes you may want to create a copy of the object and expect that the change of the original object will not affect the copy. for this purpose, PHP defin

/* + --------------------------------------------------------------------------------- + | = This article is Haohappy read > | = Notes in the middle Classes and Objects chapter | = translation + personal experience | = Do not repost to avoid unnecessary troubles, thank you | = welcome to criticize and correct, hope to make progress together with all PHP enthusiasts! + Example + */section 5-clone the object model in PHP5 to call the object through

For generating new objects, we often use new, but new does not look so fast, it seems to be a very resource-friendly operation, and clone looks much better than new, and the program contrasts:First set up a test class to perform new and clone operations on this class, Test1.java: Public class Implements cloneable{ String str; Public Test1 (String str) { this. str=str; } Publi

;; }}// Generate a Test class object$ Test = new Test ();// Call a method that does not exist in the object$ Test-> demo ("one", "two", "three ");// The program will not exit and can be executed hereEcho "this is a test "; The output result of the preceding example is:The function you called: demo (parameter: Array ([0] => one [1] => two [2] => three) does not exist! This is a test.Clone objectSometimes we need to use two or more identical objects in a pr

The (Protected) clone () method is defined in the Java object class, and if its own class requires a Clone method, the Cloneable interface is implemented, the Clone () method is overridden, and the method access level is changed to (public). However, if your own class if the property is more, rewriting the Clone method

Q: What is the Clone () function for? A: Clone () can produce an identical class and return it to the caller. Q: How the Clone () works. A: Object implements Clone () as a local method, which means that its code is stored in a local library. When the code executes, it checks to see if the class (or parent Class) of the

In a Linux system, fork (), vfork () and the Clone function can all create a process, but what are their differences ... This article on these three to do a more in-depth analysis ... 1.fork () The fork () function is to create a new process, the process created by Fork is called a subprocess, the fork function call returns two times, the child process returns a value of 0, and the parent process returns the process ID of the child process. We know th

Clone is to copy the original thing as it is, and the new copy has nothing to do with the previous thing.A: In JavaScript, if the cloned object is a basic type, we can assign it directly:var sStr = "Kingwell"; var cStr = sStr; alert (CSTR); // Output Kingwell SSTR = "abc"; alert (CSTR); //When you assign a value to another variable, the value of that variable is not affected when it is changed.It is important to note that the copy will copy the

For many friends, it is still a strange word to crack the network envelope routing. What does it do? What is its role? Let's take a look at these questions. It is said that on the Guangzhou side, China Telecom Netcom has begun to block route sharing and needs to purchase an Internet license. Whether this behavior is a monopoly or not, let's first think about it. Will it be our turn to block Guangzhou? Therefore, I shared an article about sharing and blocking, hoping to provide some help to my fr

When using VB, I found a strange problem, as shown below: Code In the process of generating recordset, the clone method of recordset is called. No operation is performed after the clone, during tracking and time, it is found that the recordset's recordcount for rectemp is 26, but after calling the recordset clone method, it was found that the new Zookeeper recte

In the software world, these two concepts are no stranger to us, such. net object. for memberwiseclone () and prototype design mode clone, copy is more common, such as copying a piece of text. Essentially, copy and clone are identical. They all use a mechanism to create a new object. Since the difference is not an essential concept, the difference between them must be reflected in two aspects: one is "how"

Clone a KVM Host Machine 1.1 to view VM configurations 1 [[email protected] ~] # Cat/etc/libvirt/qemu/vm01-centos6.8.xml 2 ............ 3 [[email protected] ~] # Ll/data/images/# VM disk file 4 total 1.3G 5-RW -------. 1 qemu 21G May 27 vm01-centos6.8.img 6 7 [[email protected] ~] # Virsh list -- all # Virtual Machine name 8 id name state 9 -------------------------------------------------- 10-vm01-centos6.8 shut off1.2

Student Class Student:Package cloning clone;/* to clone must implement this excuse: cloneable, to mark this object can clone Cloneable: This class implements the Cloneable interface to indicate Object.clone () Method can legitimately replicate the class instance by field. This interface is a markup interface, which tells us that the class implementing the interf

How do I use the PS clone Stamp tool? The Clone Stamp tool is a very useful tool and an amazing tool to copy all or part of a new image to the extent of the smear, so how does the PS Clone Stamp tool work? The following small series for the sharing of the Clone stamp tool to use the method, take a look at it! In addit

Php Object-Oriented Learning notes? Constructor, destructor, object assignment, clone Php Object-Oriented Learning notes? Structure, structure, object assignment, and clone Class student { Public $ stu_id; // define the member variable Public $ stu_name; Public function sayName () // member function { Echo $ this-> stu_name; // $ this accesses the member variable of this object } }

git clone command parameters:Usage:git clone [Options] [--] There are many parameters, but there are several common ones:1. The simplest and most straightforward commandgit clone xxx.git2. If you want to clone to the specified directorygit clone xxx.git "Specify directory"3.

C # Use the deep clone method of Emit, Someone asked, How many methods are there to copy all the attributes of a class to another class? This is how many methods are available for deep cloning, and three methods are easy to think about. Direct replication, reflection replication, and serialized replication. However, Expression Tree replication and IL replication are the two most efficient ones. This article focuses on the last one. If you know what I