what is difference between ipv4 and ipv6

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What is the difference between mvc and mvvm ?, What is the difference between mvcmvvm?

What is the difference between mvc and mvvm ?, What is the difference between mvcmvvm? Source: https://segmentfault.com/q/1010000000534091? _ Ea = 178721 Model: Very simple, it is t

What is the absolute path, what is the relative path, and what is the difference between the two?

Recently in the development of a project, want to reference the bootstrap file, has been wrong, so want to study the next relative path and absolute path relationship, to see how they are different. What is an absolute path and a relative path? DIVCSS5 for everyone to introduce the basic knowledge of relative path and absolute path, function, usage and other knowledge. Relative path: The directory path tha

What is the difference between bool and Boolean in C? What is the difference between string and string?

From: http://hi.baidu.com/%CA%B8%C8%D0/blog/item/7d3392f883d4ecd5b48f31dc.html 1. bool is the basic value type, and Boolean is the object. 2. bool is the alias of Boolean. bool is in C #, and Boolean is in. NET Framework. Out of curiosity about Boolean, I used reflecto

What is the difference between const and static readonly? (What is the difference between const and static readonly ?)

The essential difference is that the const value is determined during compilation, so it can only be specified through a constant expression during declaration. Static readonly calculates its value during running, so it can be assigned a value through a static constructor. Let's see if the following statements can be exchanged: 1. static readonly testclass te

What is the meaning of definition in C language? What does the statement mean? What is the difference between them?

In the C language, for definitions and declarations, perhaps we are very familiar with, but not necessarily really understand!Definition means: The definition is to create a (compiler) an object, to allocate a memory space for this object and name, that is, the name of the variable or object that we normally call, once this is a memory space match, then in the de

What is a project training course, and what is the difference between a professional course and what kind of person can learn the training course? How to fix it

What is a project training course, and what is the difference between a professional course and what kind of person can learn the training course?

What is the current PHP Programmer's job to do (I know is to do Web pages)? For example, what is the difference between a big company and a small company?

Programmer PHP What is the current PHP Programmer's job to do (I know is to do Web pages)? For example, what is the difference between a big company and a small company? Reply to discussion (solution) Large companies have the

The difference between the get and post submissions in a hyper-global variable form commonly used in PHP what is the difference between a session and a cookie? What does the GD library do?

variables accessed by the user, stored in the location of PHP (Session_dir) in the specified directory on the server;Cookie: Used to store continuous access to a page, is stored on the client, and is stored in the user win's temp directory for cookies.What is the GD library for?The GD library provides a range of APIs for working with images, using the GD library

What is the difference between importing a style sheet and a link style sheet in CSS? I don't ask the syntax, but the internal difference. How can I see the difference between them?

1. Link labels belong to the XHTML category, while @ import is unique in css2.1. In addition to loading CSS, link labels can also do many other things, such as defining RSS and rel connection attributes. @ import can only load CSS. 2. the difference in the loading sequence is that when link loads CSS, It is a parall

What is the difference between http-equiv redirection and header redirection? There is no difference between the two.

Amp; lt ;? Php {code...}. What is the difference between php {code...} and above code that implements redirection with the header? session_start();if(isset($_SESSION['userId'],$_SESSION['name'],$_SESSION['rights'])){ echo " ";}else{ echo " ";} In the above Code, what is

What is a thread? What is the difference between it and the process? Why multithreading ?, Multi-thread

What is a thread? What is the difference between it and the process? Why multithreading ?, Multi-thread A thread is an execution unit in which the program code can be executed during execution. In Java, a thread has four states: r

What is ASP. What is the difference between ASP. VB.net and C#net (reprint)

What is ASP. What is the difference between ASP. NET, vb.net and C#.net      1 ASP. What is NET?      Asp. NET is built on Microsoft's next

1. What is the difference between VI and VIM, and what is the relationship between them?

1. What is the difference between VI and VIM, and what is the relationship between them?A: In a nutshell, the VI editor is the early UNIX text editor, more simple, does not support syntax color; the VIM editor

Ask the controller in MVC what is the use? what is the difference with the model?

What is the purpose of the controller in MVC? what is the difference between it and the model? I just learned the MVC framework. What I cannot understand is that the controller.

Ask the controller in MVC what is the use? what is the difference with the model?

What is the purpose of the controller in MVC? what is the difference between it and the model? I just learned the MVC framework. What I cannot understand is that the controller.

In php, the exit (0) method is used to declare the exit status (successful exit or unexpected termination due to some circumstances). What are the advantages of this method? What is the difference between this and direct exit?

Just like what is the difference between the following code {code...} and {code? Humbly ask the experts for advice, just like The following code Echo 'configuration error'; exit (3); // Status 3 indicates exit due to configuration error And // Exit directly ('configuration error '); What

What is Ajax? The interaction Model (flow) of Ajax? What is the difference between synchronous and asynchronous? Ajax cross-domain solution?

What is Ajax? The interaction Model (flow) of Ajax? What is the difference between synchronous and asynchronous? Ajax cross-domain solution?What is Ajax: Asynchronous JavaScript and XML

What is the difference between adding a Web reference and adding a service reference? What's the difference between the add Service References and the add Web References? __web

(1) The function of the Add Web Reference (Add Web Service Reference) provided in VS2005 is mainly to add Web services references.(2) VS2008 retains the Add Web Reference (Add Web Service Reference) also for version forward compatibility. Many projects are currently based on the. NET Framework 2.0.(3) VS2008 support for the WCF Service Library on the. NET Framework version 3.0 or 3.5 after the upgrade. Added the Add service Reference (Add Services Ref

What is UEFI? What is the difference from the BIOS?

the trend is to install the operating system using UEFI mode.What is the difference between UEFI and bios? What are the advantages?As a successor to the traditional BIOS (Basic input/output System), UEFI has a number of features that are not available to predecessors, such as a graphical interface, a variety of operat

What is a project training course, what is the difference with professional courses, and who can study practical training courses? How to solve

What is a project training course, what is the difference with professional courses, and who can study practical training courses? CSTP training products are designed according to the recruitment requirements of software enterprises for software engineers. Through investigat

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