how to use callback

I recently read some experiences from two books, code cleansing and 45 practices for agile development for efficient programmers. I hope I can share with my predecessors. I personally think that a good program can be written by following the

The load () method loads data from the server through Ajax requests and places the returned data in the specified element..The URL specifies the URL to which the request is sent.Data is optional. Specifies the data sent to the server together with

The callback function is written by yourself. You need to call another function. One of the parameters of this function isIt is your callback function name. In this way, the system will call the callback function you write when necessary, so that

Use the main loop through dxutAfter windows and devices are created, the application needs a main loop (also called a rendering loop or message loop) to respond to Windows messages, update and render scenarios, and process device events.

Callback is used for inter-layer collaboration. The upper layer installs the function at the lower layer, which is the callback. The lower layer triggers the callback under certain conditions. For example, as a driver, it is an underlying layer,

JQuery form plugin jquery. form. js and jquery form validation plugin Overview JQuery Form Plugin allows you to easily upgrade forms submitted in HTML Form to forms submitted using AJAX technology. The main methods in the plug-in are ajaxForm and

The complete format for calling the load method is: load (url, [data], [callback]), where Url: the address of the file to be imported. Data: an optional parameter. Because Load can not only import static html files, but also dynamic scripts, such as

My regular expression entry is originated from an online article [1]. This article explains the regular expression usage from a simple perspective. I think it is a good entry-level material, however, it is still dependent on the individual who will

My PHP Regular Expression entry is an article on the Internet. This article explains the PHP regular expression method from a simple perspective. I think it is a good entry-level material, however, it is still dependent on the individual who will

RABBITMQ Chinese translation, the main is the MQ letter: Message queue, that is, the meaning of messages queuing. There is also a rabbit word, that is, the meaning of the rabbit, and Python language is called Python, the foreigner is quite humorous.

This article introduces how to use callback objects in jquery. I hope this tutorial will be helpful to you. The Callback function is executed after the current animation 100% is complete.JQuery animation ProblemsMany jQuery functions involve

PHP regular expressions are mainly used for pattern segmentation, matching, search, and replacement of strings. Regular expressions may be inefficient in some simple environments. Therefore, you need to consider how to better use PHP regular

The FileSystem API (file system API) simulates a local file system that a network application can navigate to. You can develop applications to read, write, create, and index files in a sandbox virtual file system.The file system API interacts with

As the question. After a brief look at the source code of io. py, we can only see that the definition of open is to directly return the object, but not how to implement the context manager. Google has no results after half a day. Answers to

In recent projects, go was used to develop some service transit programs. The business is relatively simple, but there are some businesses that need to reuse code developed in the original C + +. In Windows, it's not too convenient to integrate C/+ +

This article mainly introduces jquery to solve the problem of cross-origin access on the client. ajax () supports cross-origin in get mode, which is implemented in jsonp mode. if you need a friend, refer to "cross-origin access" on the client, which

in addition to drawing controls, GUI programs respond to system and user events such as redrawing, drawing completion, clicking the mouse, tapping the keyboard, and so on. When an event occurs, the UI changes to make it visible to the user.Most

This time the main content is block, for beginners, the code involved in the content of the block is really easy to confuse. First of all, the concept of block, block is an apple for C, C + + and OC add a feature, it contains a part of the code, can

Learning Knowledge points onTouchThe event delivery mechanism. LisenterListening ImageViewThe src background scaleType display of different properties. onTouchThe slide lifted up the call MotionEvent.ACTION_CANCEL is not

Golang was contacted in the first half of 13, and Golang was very fond of it. Now it is 2015, a few days from the Spring Festival, from the beginning of learning to the present 1.5 of the time, and Golang wrote some code, including spare time, there