Article Introduction：A brief discussion of the definition of interfaces, abstract classes and abstract methods in Python

2016-11-19 comment 0  1510

Article Introduction：This article mainly introduces the definition and use of PHP closures. It analyzes the simple definition, usage and related precautions of PHP closures in the form of simple examples. Friends in need can refer to it.

2018-06-27 comment 0  1600

Article Introduction：This article mainly introduces the definition and usage of PHP object-oriented programming classes, and analyzes the definition, instantiation, __set() and __get() specific usage skills of PHP classes in the form of examples. Friends in need can refer to the following

2017-01-06 comment 0  1333

Article Introduction：PHP的抽象类的一段简单代码示例

2016-06-20 comment 0  946

Article Introduction：Covers simple examples of JavaScript public member definitions, private member definitions, and privileged method definitions

2016-05-16 comment 0  1018

Article Introduction：A brief analysis of PHP exception handling, a brief analysis of exception handling. A brief analysis of PHP exception handling, a brief analysis of exception handling PHP has predetermined two exception classes: Exception and ErrorException Copy the code The code is as follows: Exception { /* Attribute */ protected string $message;

2016-07-13 comment 0  973

Article Introduction：php 抽象类的简单应用。All right, 父类postParent定义为抽象，规定子类必须重新实现 buildHTML()方法，这个方法并没有花括号，如果有不管有没有内容都会报错的。 现在

2016-06-13 comment 0  964

Article Introduction：A brief analysis of the PHP prototype pattern, a brief analysis of the PHP prototype. A brief analysis of PHP prototype mode, a brief analysis of PHP prototype Prototype mode: Use a prototype instance to specify the type of object to be created, and create new objects by copying this prototype. Application scenario: Class resources

2016-07-13 comment 0  1042

Article Introduction：A brief discussion of the definition and usage of the PHP eval() function, and a brief discussion of eval. A brief discussion of the definition and usage of the PHP eval() function, a brief discussion of eval The eval() function calculates strings according to PHP code. The string must be valid PHP code and must end with a semicolon. if

2016-07-06 comment 0  1115

Article Introduction：js definition object simple learning example

2016-05-16 comment 0  1127

Article Introduction：A brief discussion of the definition and usage of the PHP eval() function, and a brief discussion of eval. A brief discussion of the definition and usage of the PHP eval() function, a brief discussion of eval The eval() function calculates strings according to PHP code. The string must be valid PHP code and must end with a semicolon. if

2016-07-12 comment 0  938

Article Introduction：php XMLWriter类的简单示例代码(RSS输出)。复制代码 代码如下: include 'mysql.php'; $mysql= mysql::getObject(); $mysql-query("SELECT * FROM post"); $xml = new XMLWriter(); $xml-openUri('hello.xml'); // or 'php://outp

2016-06-13 comment 0  1304

Article Introduction：Simple application of php abstract classes. All right, the parent class postParent is defined as abstract, which stipulates that subclasses must reimplement the buildHTML() method. This method does not have curly braces. If there are curly braces, an error will be reported regardless of whether there is content or not. Now

2016-07-21 comment 0  875

Article Introduction：A brief analysis of the usage differences between php static methods and non-static methods, a brief analysis of php. A brief analysis of the usage differences between PHP static methods and non-static methods. A brief analysis of PHP In PHP programming, the static keyword declares that an attribute or method is related to the class, rather than to a specific implementation of the class.

2016-07-12 comment 0  744

Article Introduction：Abstract class: Abstract class PHP Simple application of abstract class: All right, the parent class postParent is defined as abstract, which stipulates that subclasses must reimplement the buildHTML() method. This method does not have curly braces. If there are any, an error will be reported regardless of whether there is content or not. The more I look at it now, the more I feel that there is no need to use abstract classes in this code, and inheritance is useless. Well, there is nothing good to say. . . . . In addition, I separated mysql outside, so it is very troublesome to call the method. 1. Instantiate readArticle first. 2. Mysql query, the parameters come from readArticle.

2016-07-29 comment 0  991

Article Introduction：PHP class definition and class usage examples

2016-07-25 comment 0  999

Article Introduction：Simple example of Lambda expression and Stream class in Java

2017-01-17 comment 0  1316

Article Introduction：A brief analysis of the concepts and differences between abstract classes and interfaces in PHP. Copy the code The code is as follows: //Definition of abstract class: abstract class ku{ //Define an abstract class abstract function kx(); ... } function aa extends ku{ //Method to implement abstract class fu

2016-07-21 comment 0  944

Article Introduction：PHP 5.0对象模型深度探索之定义一个类

2016-06-21 comment 0  1243

Article Introduction：printwriter:printwriter php Simple example code of XMLWriter class RSS output: Copy the code as follows: include 'mysql.php'; $mysql= mysql::getObject(); $mysql->query("SELECT * FROM post"); $ xml = new XMLWriter(); $xml->openUri('hello.xml'); // or 'php://output' $xml->setIndentString

2016-07-29 comment 0  1505