how to use void

This code is common to everyone:hereBut what is the meaning of void (0) here?The void in JavaScript is an operator，This operator specifies that an expression is to be evaluated but does not return a value。The void operator uses the following format:1

1 linked onclick events are executed first, followed by href actions under attributes (page jumps, or JavaScript pseudo-links);2 assume that the link exists in the same time href onclick , if you want href the action under the property is not

This article provides a detailed summary of multiple call methods for anonymous functions in Javascript. If you need a function, you can refer to the following methods to define functions in Javascript. For example, var fun = function () {}. If

Linux Device Driver Article 3: How to Write a simple character device driver ?, Linux Article 3 In the first article on linux Device Drivers: the device drivers briefly introduce character drivers. This article briefly introduces how to write a

1. Preface 2. At the outset 3. Development principles and key points (1) Concurrent Programming Overview (2) Asynchronous Programming Basics (3) The basis of parallel development (4) Test techniques (5)

Sometimes the action is to prevent the user from responding to the next one at the end of a response. But some test users are going to be a little bit more mad. It's like this kind of malice is going to prevent.Of course, there are some asynchronous

When you click the tag, The onclick event is executed first, and then the action under the href attribute. If you do not want to execute the action under the href attribute, The onclick operation must return false, if you are interested, you can

iOS development Block1. What is the role of Block,blockUI Development and network common function implementation callback, button event handling method is callback method, after the network download callback processing(1) button target-action a

From:http://www.jb51.net/article/71532.htm In JavaScript, Void is an operator that specifies that an expression is evaluated but does not return a value. I'd like to use Ajax for all the usual code like this: The code is as follows: here But what is

1.* Description: Class, equivalent to a kind, format: class name {class}, the name of the class is the same as the file name, that is, a file only one class;* object, which is a variable of class, Format: Class name Object name (equivalent to class

Continue to the next article on moving lines: moving the line we use-(void) TableView: (UITableView *) TableView Moverowatindexpath: (Nsindexpath *) Sourceindexpath Toindexpath: ( Nsindexpath *) Destinationindexpath(UITableView *) TableView used to

Four ways of passing parameters between iOS pages1, use sharedapplication, define a variable to pass.2, using files, or Nsuserdefault to pass3, through a single case class to pass4, through the delegate to pass.iOS Development using Delegate

(1) UIView view frame settings, four parameters, first 2 determine position, and after 2 determine size.(2) UIView content mode Contentmode, and in UIImage said is the same, and in the UIImage show easier to understand.(3) UIView The most important

There is no doubt that the practice is better than android,ios in pushing. APNS (Apple push Notification service) is a messaging push from Apple. The principle is that third-party applications will be pushed to the user's information pushed to the

It is best to look at the question first, and try to answer the question and then look at the answer again. How many answers can you get? 1. What is the problem with such initialization? Char * P = malloc (10); the compiler prompts "invalid

Copyleft of this document belongs to yfydz and can be freely copied and reproduced when published using GPL. The integrity of this document is maintained during reprinting and is strictly prohibited for any commercial purposes.MSN: yfydz_no1@hotmail.

Let's take a look at this browser control API, just as a guide. In fact, the best way to grasp its usage is to open the example 9.1/s60_3rd/s60ex/brctlsampleapp for reading, it covers almost all the usage of this API. In uninews, I only use the

The edit window is the most common control used to receive user input. You can use the member functions to create an input window:Bool cedit: Create (lpctstr lpsztext, DWORD dwstyle, const rect & rect, cwnd * pparentwnd, uint nid = 0 xFFFF );Dwstyle

This is a program. There is no ready-made sizeof implementation in Java, because the size of the basic data type in Java is fixed, so it seems that there is no need to use the sizeof keyword. The implementation idea is as follows: Java. Lang.

Purpose:Using microphones as an event Input MethodCore:Use audiosession and audioqueue to capture microphone input data. Enable audiosession:1. audiosessioninitialize2. audiosessionsetproperty (kaudiosessionproperty_audiocategory)3.