how to use void

The array is a very basic thing, but in Symbian also made a more user-friendly package, so that we can save a lot of code, of course, let us the novice a little bit confused. Three classes are more practical and need to be mastered: Tfixedarray,

1. The concept of pointers In the computer, all the data is stored in the memory. In general, a byte in memory is called a memory unit, different data types occupy a number of memory units, such as the integer 2 units, the character of 1 units, etc.,

Data | database | Display using system;using system.data.sqlclient;using system.data.sqltypes;using system.io;string Imagefilelocation= "D:\images\"; string imagefileprefix= "cereal"; int numberimagefiles=7;string imagefiletype= ". gif" ; int

Reflection of exceptions, expressions, and empty In the previous installment, I introduced the innovative way in which the next generation of Java language was used to eliminate the flashy things and complexities in the Java language. In this

1 Introduction With the rapid development of computer technology and information technology, the embedded computers of computers and computer technology are widely used in people's daily life. Embedded computers refers to the completion of one or

1. Function basics Typical function definitions include: return type, function name, a list of 0 or more formal parameters, and a function body.2. Parameter passing The mechanism of parameter initialization is the same as the initialization of

In c language Dynamic one-dimensional array is realized by malloc dynamic allocation space, and dynamic two-dimensional array can be realized by malloc dynamic allocation space. In fact, the C language does not have a two-dimensional array, at

It is often necessary to use the TListView list control when developing applications using Delphi, but it is not enough to use the original properties, methods, and events of TListView, and it is often required to extend the functionality of the

Transactions in JDBC are committed by default, meaning that the data is written to disk every time PreparedStatement is executed. If you need to close the default commit, use void setautocommit (false)

Don't want to see the classmate, straight down the bottom to see ....These days the development of the program has encountered such a problem.All of a sudden the program running in iOS7 has no animation effect.The system comes with a push pop and

#import "ViewController.h" #import #import @interface Viewcontroller () @property (nonatomic,strong) Cllocationmanager *locmgr; @property (Weak, nonatomic) Iboutlet Mkmapview *mapview; @end @implementation viewcontroller-(Cllocationmanager *)

(1) Use size Classes in storyboard.We have used AutoLayout before, and now we have a size Classes, which can be seen as AutoLayout settings under different size Classes.Detailed tutorials, http://www.cocoachina.com/ios/20141020/9978.html--Seemingly,

I want to use the following common ajax code: & lt; ahref & quot; javascript: doTest2 (); void (0); & quot; & gt; here & lt; a & gt; but what does void (0) mean? I want to use the following common ajax code: Here But what does void (0) mean? In

JavaScript is a commonly used scripting language in front-end development. I have sorted out some rare usage and supplemented it after being used for drying. If any of the errors is correct, please kindly advise. 1. closure, which can avoid variable

The void operator explains that JavaScript scripts often see the following code: here 〉 But what does void (0) mean? In JavaScript, void is an operator that specifies to calculate an expression but does not return a value. The format of the

C language knowledge summary, C language knowledge Understand some variables Familiar with some statements Combine some functions C Language -- "library help you write and put it in the library The magic number changes out of thin air and does not

Ios-target-action Design Pattern UnderstandingThe essence of Target-action's design pattern is that the event generated in host invokes the action method of target.Below we use a uiview to implement the UIButton click event.@interface

iOS Animation summaryHttp://blog.sina.com.cn/s/blog_611b9d9d01015dkm.html(2012-06-01 14:50:32)reproduced Tags: gossip Category: IOS I. Basic mode: Using the uiviewanimation extension of the UIView class+ (void)

# Contains a location information The default anchor is # top, that is, the top of the web page Javascript: void (0) only indicates a dead link. This is why sometimes a long page browsing link is clearly # But the page jumps to the top. This is not

phenomenaIf you used the iOS8 to run on ios8.0 's machine, would you find it? How to Locate the function can not be used , the upper right corner of the positioning of the small icon does not come out. At this point you should go to the settings