how to use void

Explanation of the differences between a href = # And a href = javascript: void (0) A href = "#"> after clicking the link, the page will be rolled up to the TOP, # The default anchor is # TOP after you click the link, the page does not move and

the difference between href= #与href =javascriptvoid (0)# "contains a location informationThe default anchor point is #top, which is the upper end of the pageand javascript:void (0) only represents a dead linkThat's why there are times when the page

Set the size of ImagePicker. ImagePicker is always displayed as the default size in PopoverController. setting the popoverContentSize attribute seems useless. The solution is to "include" ImagePicker to a custom ViewController, and then presentpover

The return value of the main function are you paying attention? Maybe someone would say that there can be no return value, if you drill down into the program's CRT startup code, you'll find ....1 __initenv = envp; 2 Mainret = Main (argc, argv, envp);

Use PHP's ob_start () to control your browser cache !? The OutputControl function allows you to control the output of data in the script. It is very useful, especially when you want to output the file header after the data has been output. The

Directory One application-Programming System product Second, the first. Net Program Three Assembly I. ApplicationProgram-- Programming System products What is an application? Simply put, it is a programming system product. I like the

Single threadProgramAvoid false UI: 1) Use void application. doevents ();Processes All Windows messages in the message queue. 2) use void control. Refresh ();Force controls to invalidate the workspace and immediately redraw yourself and any child

The game world is colorful, no matter how beautiful the game, multi-play game, in the interaction with the game user is often the menu. In the previous chapter we have probably learned about directors, nodes, layers, elves. This chapter is themed on

Use PHP's ob_start () to control your browser cache !? The OutputControl function allows you to control the output of data in the script. It is very useful, especially when you want to output the file header after the data has been output. The

1. Implement a display function to print the elements in the output array. Input: pointer to the first element of the array, number of rows and number of columns of the array Output: None The flexibility of this function is that we can print the

Button Control Create button: bool cbutton: Create (maid, DWORD dwstyle, const rect & rect, cwnd * pparentwnd, uint NID ); Processing button message: to process the button message, you need to map the message in the parent window. The ing macro is

Usage of the predicate (NSPredicate) in iOS: (1) basic usage   In iOS development, the system provides the NSPredicate class for us to perform some matching and filtering operations, which is very convenient. When this class is not used, we need to

Void descriptionVoid is "no type", void * is "no type Pointer", can point to any data type. Void pointer usage Specification① The Void pointer can point to any type of data, that is, the void pointer can be assigned a value to any type of data.

Original: href= #与href =javascriptvoid (0) The difference# "contains a location informationThe default anchor point is #top, which is the upper end of the pageand javascript:void (0) only represents a dead linkThat's why there are times when the

I have recently read several posts on tags and javascript:void (0), and I would like to keep this in mind for your reference.Note: The following code is not fully tested, but the situation that each method may appear is largely explained.When

The meaning of void Void is "no type" and void * is "no type pointer" and can point to any data type.void specification for use of pointersThe ①void pointer can point to any type of data, that is, the null pointer is assigned to a pointer of

Recently in the project, the page architect completed the diagram and handed me the file with interactive scripts.After the relevant script has been developed, clicking on the icon does not result in a change to the desired effect.Think of a lot of

1. Arrays1.1 Immutable Array (reading group only)Note :the difference between OC arrays and C arrays:-The method of creation is different;-The OC array itself is also an object and is a collection of object addresses of any type;-"OC-compatible

The generation and use of objectsThe constructor is used to construct an instance of the class, and the Java language invokes the constructor with the new keyword to return the class instance. A constructor is a fundamental way for a class to create

Statement: Many of the contents and ideas of this article refer to http://www.wowotech.net/comm/mmc_host_driver.html, thank the original author!1. PrefaceThis article is the second chapter of the Linux MMC framework, which introduces the knowledge