Here is the code: /* Some class,such as a config file,need to be only one.So we need to control the instance. 1,private the constructor and create only one instance in the class itself. 2,provide a method for the others to get the 'only one' instance…

Here is the code: /* Instance invocation in the memory: */ package kju.obj; import static kju.print.Printer.*; public class NonStaticInvoke { public static void main(String[] args) { Person p = new Person("lily"); p.setName("lucy"); }…

the code below demonstates the principle of the'recursive-call' that the programing beginner may be confused with,and each demonstrate was followed by a screenshot: the first part of the code called in the main: String s2 = toBinary2(6, sb); the actu…

原文链接地址: http://csharpindepth.com/Articles/General/Singleton.aspx#unsafe Implementing the Singleton Pattern in C# Table of contents (for linking purposes...) Introduction Non-thread-safe version Simple thread safety via locking Double-checked locking…

http://csharpindepth.com/Articles/General/Singleton.aspx#introduction 4th在线看 https://www.manning.com/books/c-sharp-in-depth-fourth-edition 参考 http://zhenyulu.cnblogs.com/articles/37246.html 参考微软MSDN文章:<Exploring the Singleton Design Pattern> http://…

Table of contents (for linking purposes...) Introduction Non-thread-safe version Simple thread safety via locking Double-checked locking Safety through initialization Safe and fully lazy static initialization Lazy<T> Exceptions Performance Conclusio…

In this article, we are going to see another powerful framework that is used widely in pen-testing. Burp suite is an integration of various tools put together to work in an effective manner to help the pen-tester in the entire testing process, from t…

原文链接:Multithreading and Grand Central Dispatch on iOS for Beginners Tutorial Have you ever written an app where you tried to do something,and there was a long pause while the UI was unresponsive?This is usually a sign that your app needs multithreadi…

写在前面 为方便读者,本文已添加至索引: 设计模式 学习笔记索引 Facade(外观)模式定义了一个高层接口,它能为子系统中的一组接口提供一个一致的界面,从而使得这一子系统更加容易使用.欢迎回到时の魔导士的魔法世界.在对战坏女巫的魔法生物一役中(见Bridge模式笔记),白雪公主获得大逆转胜利机会的关键是附魔武器的诞生.但是,普通的武器工坊(见FactoryMethod模式笔记)生产不了附魔武器,只能是通过特殊的附魔工坊获得.经过这一战之后,大家也觉得除了武器,还需要能保护身体的护甲来抵挡伤害.…

翻译进度请见:https://laravel-china.org/docs/php-design-patterns/2018?mode=sections 设计模式不仅代表着更快开发健壮软件的有用方法,而且还提供了以友好的术语封装大型理念的方法.例如,您可以说您正在编写一个提供松散耦合的消息传递系统,也可以说你正在编写名称为观察者 的模式. 用较小的示例展示模式的价值是非常困难的.这往往有些大材小用的意味,因为模式实际上是在大型代码库中发挥作用的.本文不展示大型应用程序,所以您需要思索的是在您自己…