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本面使用jquery-1.3.2和面定位map.jsp,支持一人和双人游戏,实现如下:山寨坦克大战...主坦克方向:WASD,空格发射</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-29 23:48:09</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2583</span></span>  </p> </article><article class="excerpt"> <header> <a title="Java" class="label label-important zj-del-target" href="/category/41">Java<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/21444" title="JAAS:灵活的Java安全机制" target="_blank" onclick="return recordId('',)">JAAS:灵活的Java安全机制 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/21444" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/19.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/21444';}else{window.open('/article/21444');}" style="cursor: pointer;">摘要：JavaAuthenticationAuthorizationService（JAAS，Java验证和授权API）提供了灵活和可伸缩的机制来保证客户端或服务器端的Java程序。Java早期的安全框架强调的是通过验证代码的来源和作者，保护用户避免受到下载下来的代码的攻击。JAAS强调的是通过验证谁在运行代码以及他／她的权限来保护系统面受用户的攻击。它让你能够将一些标准的安全机制，例如SolarisNIS（网络信息服务）、WindowsNT、LDAP（轻</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-29 23:45:00</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2583</span></span>  </p> </article><article class="excerpt"> <header> <a title="编程技术" class="label label-important zj-del-target" href="/category/30">编程技术<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/21338" title="Flex 3 布局容器学习笔记" target="_blank" onclick="return recordId('',)">Flex 3 布局容器学习笔记 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/21338" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/12.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/21338';}else{window.open('/article/21338');}" style="cursor: pointer;">赖勇浩（http://laiyonghao.com）国庆期间，做了不少基于flex的开发工作，对flex的布局容器有了进一步深入的理解，也找到不少非常棒的文章，分享到这里方便一下大家。很好的文章Flex3界面布局教程(1)http://blog.chinaunix.net/u/21684/showart_691988.htmlFlex3界面布局教程(2)http://blog.chinaunix.net/u/21684/showart_692022.htm</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-29 23:43:40</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2583</span></span>  </p> </article><article class="excerpt"> <header> <a title="Java" class="label label-important zj-del-target" href="/category/41">Java<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/19337" title="Java的运行原理及JVM虚拟机是怎么工作的" target="_blank" onclick="return recordId('',)">Java的运行原理及JVM虚拟机是怎么工作的 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/19337" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/13.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/19337';}else{window.open('/article/19337');}" style="cursor: pointer;">Java的运行原理在Java中引入了虚拟机的概念，即在机器和编译程序之间加入了一层抽象的虚拟的机器。这台虚拟的机器在任何平台上都提供给编译程序一个的共同的接口。编译程序只需要面向虚拟机，生成虚拟机能够理解的代码，然后由解释器来将虚拟机代码转换为特定系统的机器码执行。在Java中，这种供虚拟机理解的代码叫做字节码(ByteCode)，它不面向任何特定的处理器，只面向虚拟机。每一种平台的解释器是不同的，但是实现的虚拟机是相同的。Java源程序经过编译器编译后变</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span 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pointer;">一、背景在公司的内网有台数据库的测试服务器，这台服务器是提供给开发人员使用的，在上面有很多的数据库，有些是临时系统用到的数据库，这些数据库有一个共同点：数据库表结构比较重要，数据库只有一些测试数据，也就是说这些数据库都很小，而整台服务器的数据库又非常多；现在有这样一个需求，希望间隔一段时间就备份所有数据库，所以这里写了这篇文章，这也是另外一篇文章SQLServer批量备份数据库（主分区）的基础；二、实现过程下面是实现批量备份数据库的3种方式，大家可以细细体</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-29 23:02:37</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2583</span></span>  </p> </article><div class="pagination" style="display:;"> <ul><li><a href="/search/form/1/p/1">首页</a></li> <li class="prev-page"><a href="/search/form/1/p/491">上一页</a></li> <li><a href="/search/form/1/p/490">490</a></li><li><a href="/search/form/1/p/491">491</a></li><li class="active"><span>492</span></li><li><a href="/search/form/1/p/493">493</a></li><li><a href="/search/form/1/p/494">494</a></li> <li class="next-page"><a 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