PYTHON Specifies special variables/methods using underscores as variable prefixes and suffixes.There are four main cases1.1. Object # Public2. __object__ # Special, Python system use, user should not define like it3. __object # Private (name
ObjectiveSuddenly found a long time not to write a blog, the front is written about Android, today suddenly there is an impulse to write a blog based on Java technology, don't ask me why? Rich, capricious!Let's talk about the reflection mechanism
Accessing private variables in PythonTo give interns training in Python, I don't know how to use it, I can't fraught it, and look at some of the concepts in Python.See the class and private variables, think of the previous read the article, said
Java access modifier (access control character)Java uses modifiers to control access and other features of classes, properties, and methods, usually at the very front of the statement. For example:
public class ClassName {
//Body of class
}
Programming nineth chapter Configuration and scheduling
In the previous chapter, you learned how to create a common language runtime (CLR) component and how to use it in a simple test application. While the CLR component is ready to load, you should
The public and private variables in the example analysis js class read some articles about js on cnblogs and take notes:
First look at code 1:
Function car (){
Var wheel = 3; // Private variable
This. wheel = 4; // public variable
Alert
Seventh Chapter function ExpressionThere are two ways to define a function: function declaration and function expression.1. Function declaration:function functionname (arg0, arg1, arg2) { //functions body ...}An important feature of the function
In Python, the underline naming rules tend to make beginners quite confused: Single underline, double underline, double underline and before and after ... What is the difference between their role and the use of the scene? Let's talk about this
This article mainly introduces JavaScript anonymous functions and closures. If you need them, you can refer to anonymous functions: functions without names;
Closure: a function that can access variables in a function scope;
An anonymous Function
//
Understanding the python naming mechanismThis article was originally published in the blog (http://blog.csdn.net/lanphaday) of flower butterflies, and is welcome to be reproduced, but must be retained and not used for commercial purposes. Thank
In their own study of JavaScript design patterns in the process, accidentally write a piece of code to understand the deeper, the reason is called pseudo-singleton mode, because the result of this code is very much like a singleton mode, but in fact,
When we first wrote the JS code, it was written like this.
function checkName(){ //验证姓名 } function checkEmail(){ //验证邮箱 } function checkPassword(){ //验证密码 }This method can cause serious pollution of
[ result analysis , four kinds of objects are deduced ]:
Survival mode
Timing of execution
Time to die
Global (Static) objects
Global static storage zone Global
Earlier than the program entry
A property is one embodiment of encapsulation in an object-oriented language, and setting a property in a custom class is equivalent to defining a private variable, a setter method, and an accessor (getter method), where the definition of the
Introduction to JavaScript anonymous functions and closures, javascript anonymous Functions
Anonymous function: A function without a name;Closure: a function that can access variables in a function scope;
An anonymous Function
// Normal function box
Convert to Boolean type All values in JavaScript can be implicitly converted to the Boolean type, for example: 0 == false; // true 1 == true; // true '' == false // true null == false // true However, these values are not of the Boolean
Javascript, as a dynamic language, has many methods to dynamically parse scripts, such as Eval, a low-key function, and execScript exclusively exclusive to IE, and the text attribute of the script tag on the DOM side, w3C script labels can also be
1. Classes and functionsExamples of object-oriented programming:#!/usr/bin/env python#-*-coding:utf-8-*-classPerson (object):#Adding "__" to the front of the property and variable allows the variable or method to be converted to a private variable,
This article turns from the C++_ friend function.1. Reason for introducing friend function Reduce system overhead and increase efficiency when data sharing between classes is implemented.specifically , in order to enable member functions of other
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.