application————web】的更多相关文章

application 作用域: 只要web服务器不关闭就一直存在 统计页面的统计次数 一个用户 多次刷新也统计 多个用户访问 思路: 需要一个变量 count 记录index.jsp访问次数 方法 public void setAttribute(String name,Object obj); public Object getAttrbute(String name ); [统计页面] <% //实现访问次数的统计 //1.先获取applicationd的属性值 Object count…
1.利用System.getProperty()函数获取当前路径: System.getProperty("user.dir");//user.dir用户当前的工作目录,输出:D:\开发工程\GitHub\5_java_example\uritest\application,(如果想要通过此方法获取其它系统信息,参考:http://www.cnblogs.com/EasonJim/p/6507672.html) 注意:以上输出为eclipse的application的输出. 测试JAR…
Application configuration classtornado.web.Application(handlers=None, default_host='', transforms=None, **settings)[source] A collection of request handlers that make up a web application. Instances of this class are callable and can be passed direct…
ThreadLocal variables are infamous for creating memory leaks. A memory leak in Java is amount of memory hold by object which are not in use and should have been garbage collected, but because of unintended strong references, they still live in Java h…
http://www.windowsazure.com/en-us/documentation/articles/virtual-machines-java-run-tomcat-application-server/ With Windows Azure, you can use a virtual machine to provide server capabilities. As an example, a virtual machine running on Windows Azure…
The Exceptional Performance team has identified a number of best practices for making web pages fast. The list includes 35 best practices divided into 7 categories. Looking to optimize your mobile app experience? Check out Flurry Analytics. Filter by…
先贴上Application这个类的源码. class Application(httputil.HTTPServerConnectionDelegate): """A collection of request handlers that make up a web application. Instances of this class are callable and can be passed directly to HTTPServer to serve the a…
一.web.xml文件介绍 The web.xml file contains several elements that are required for a Facelets application. All of the following are created automatically when you use NetBeans IDE to create an application. web.xml文件的作用 web.xml主要用来配置Filter.Listener.Servle…
二.高级应用 2.1 web.ctx 获取客户端信息,比如:来源页面.客户端浏览器类型等. web.ctx基于 threadeddict类,又被叫做 ThreadDict.这个类创建了一个类似字典(dictionary-like)的对象,对象中的值都是与线程 id 相对应的.这样做很妙,因为很多用户同时访问系统时,这个字典对象能做到仅为某一特定的 HTTP 请求提供数据(因为没有数据共享,所以对象是线程安全的). web.ctx保存每个HTTP请求的特定信息,比如客户端环境变量.假设,我们想知道…
原文:http://developer.yahoo.com/performance/rules.html 提升网站加载速度的一些优化技巧,大部分在前端层面. 不知道是多久以前写的,看起来有些已经过时了? ==== The Exceptional Performance team has identified a number of best practices for making web pages fast. The list includes 35 best practices divid…