<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>My JSP 'mylist_liti.jsp' starting page</title> <script language="javascript"> var cateArray = new Array(); cateArr
本文降温你解析常见的单例模式.单例模式可以保证一个类仅有一个实例,同时这个类还必须提供一个访问该类的全局访问点. 首先导入需要使用到的界面工具框架 import UIKit 单例对象保证了只有一个实例的存在,这样有利于我们协调系统的整体行为.final修饰符可以防止类被继承,还可以防止子类重写父类的属性.方法以及下标.该修饰符不能修饰结构体和枚举. final class SingleClass:NSObject { //使用static修饰符,定义一个静态常量.静态常量在实例调用结束后不会消失
Most setup guides for Nginx tell you the basics - apt-get a package, modify a few lines here and there, and you've got a web server! And, in most cases, a vanilla nginx install will work just fine for serving your website. However, if you're REALLY t