how to add functions

A button with a pop-up menu can enable a button to have multiple options. by extending the button function, you can integrate multiple buttons to reduce the number of buttons. The button body of this type of button is divided into two areas. When

There are two ways to add a new function for MySQL:You can use the UDF to add functions. The custom FUNCTION is compiled as the target file, and then dynamically added to and removed from the server using the create function and drop function

Cocos2d-x calls android embedded browser to open the web page, you can input the URL from the entrance, C ++ calls android api can be achieved. The method is also simple. 1. Modify CCApplication. h and CCApplication. cpp under "cocos2dx \ platform \

The purpose of the decoration mode is to dynamically add functions to the main class, and the extension of this function is more flexible than the extension of the Child class. So what is the flexibility of using the decoration mode than using

Original article: Using plugins and mixins in your sencha apps Overview When extending the functions of a framework class, new functions are usually directly written to the derived class. However, if the same function is required to exist in

Intent/Definition: dynamically add some additional responsibilities to an object, which may be added in any order, providing a more flexible way to add functions than to generate child classes. Problem: the object to be used can provide the required

In general, the OnLoad Monitor window's Load event is set for the body tag. However, the load event is triggered when all the elements of the page are loaded, and if there are more pictures on the page or the picture is too large, the user does

1.forEach iterators The Foreach method receives a function as an argument, each element of the array uses this function, only this function is called, and there is no change in itself. foreach iterator function square (num) {

Session Introduction If you haven't already implemented your own shopping basket in PHP, you should be able to create one after reading this article. Even you may have With a shopping basket, some of the tips I've provided here may help you improve

　　first, the question of the proposed In the early stage of the application system development, because the development database data is few, to query the SQL statement, the complex view compilation and so on cannot realize the SQL statement various

JavaScript is based on the three main features of the object and the three main features of C++,java object-oriented, both encapsulation (encapsulation), Inheritance (inheritance), and polymorphism (polymorphism). But the basic concept is the same

While JavaScript is inherently casual, the language is becoming more and more often sat as the browser can do more and more things. In complex logic, JavaScript needs to be modular, modules need to be encapsulated, leaving only interfaces for

First, the query locks the record. Right-click Query Design interface properties, point to open properties--record lock. We will find three kinds of cases. 1. Do not lock: query out the data do not lock, you can delete or change operations; 2.

Preface:Since I published some articles on linuxaid.com.cn, some netizens have been sending emails or discussing some of these questions, or query the addresses of other articles (these netizens often read my articles reposted on other websites). I

Incremental and elegant downgrades, incremental and elegant downgrades Graceful degradation: Build the complete functionality of the site from the beginning, and then test and fix the browser.Progressive enhancement (progressive enhancement): At

I believe that every front-end partner is familiar with jQuery. One of its greatest charms is that there are a large number of plug-ins to help us implement various functions more easily. A few nights ago, when I had nothing to do, I wrote a simple

Welcome to the CC ++ programming Community Forum and interact with 3 million technical staff. This article details the establishment of a CdataBaseOperate class that uses ODBC to operate databases, the specific implementation of several major

This article helps you easily master the JavaScript annotator mode and tell you what the js annotator mode is. If you are interested, refer to the traditional object-oriented language, the method of inheritance is often used to add functions to

Add functions in the project's common/function.php file (project structure):/* string truncation function + ellipsis */ function Subtext ($text$length) { if(Mb_strlen ($text $length ) return mb_substr ($text$length, ' UTF8 '). ' ... ';

Specification PurposeIn order to improve the efficiency of team collaboration, it is convenient for background staff to add functions and post-end optimization maintenance, output high-quality documents, developed this document. Once this