- 军军小站|张军博客

归结与演绎

1、应用归结之前，wff（合式公式）必须是一个范式或标准形式。范式有三种主要类型：1）合取范式。如：(P1∨P2....)∧(Q1∨Q2...)∧(Z1∨Z2...)2）子句。全子句形式的表达式通常如下：(表示A1,A2,...An全真是，B1，。。。Bn中至少有一个为真)A1,A2,...An->B1,B2,.....Bn3）HORN子句子集。PROLOG使用HORN子句，只允许一个头:A1,A2,....An->B用PROLOG可以写成：B:A1,A2

系统 2019-08-29 23:07:07 2117

编程技术

web service基本原理

Web服务有两层含义：1、是指封装成单个实体并发布到网络上的功能集合体；2、是指功能集合体被调用后所提供的服务。WebService是为其它应用提供数据和服务的应用逻辑单元，应用程序通过标准的Web协议和数据格式获得WebService，如HTTP、XML和SOAP等，每个WebService的实现是完全独立的。简单地讲，Web服务是一个URL资源，客户端可以通过编程方式请求得到它的服务，而不需要知道所请求的服务是怎样实现的，这一点与传统的分布式组件对象模

系统 2019-08-29 22:55:42 2117

编程技术

CTE 通用表表达式

CTE通用表表达式概念：CommonTableExpression，简称CTE，中文可以叫做，通用表表达式．用处：处理以前版本中SQL不好现实，不好理解，复杂的查询问题．比如：分页，递归查询．．．基本用法：WITH()AS()SELECT*FROM示例一（基本用法）：withMyCTE(ID,Name)as(selectEmployeeIDasI

系统 2019-08-29 22:39:19 2117

编程技术

找工作的烦躁！

还有几个月毕业了，一想到找工作几个字就烦躁。每个周末大早起来赶招聘会，里面拿着简历的人就像密密麻麻的蚂蚁，低声下气的一个个档位投简历，投100份，没一个有回音。校园里面招聘，招聘的都是大公司，每次演讲会以后，一个公司招3个人，会堂里面至少500个人投简历。收到笔试通知，要笔试一次两次三次，然后还有面试，不知道那些大公司为什么要面试这么多次。有一个有点希望的公司，就是第三次笔试被干掉了。一次次的面试奔波，却音讯毫无；一次次的焦虑等待，工作却仍毫无着落。自从简

系统 2019-08-29 22:35:35 2117

编程技术

博客(Blog)－Roller Weblogger ，MeEclipse下搭

都说roller在国外是二次开发博客系统的首选，但是下载源代码之后发现是它是基于netbeans项目结构开发的。平时用习惯了Eclipse，所以想搬到MyEclipse上面，但没有想到居然那么不容易，折腾了整整一天，才最终跑起来。网上的参考信息太少，大概都是那二三篇的转贴，全部结合起来就差不多可以解决，借此总结一下，希望用到的朋友有参考作用！1．准备环境MyEclipse6.0JDK1.6.0_05Tomcat5.5.27（建议用5.5以上版本）Rolle

系统 2019-08-29 22:32:35 2117

编程技术

ext中ComboBox+Ajax+分页联动代码和注释

今天花了1下午时间研究出了ComboBox+Ajax+分页联动效果.ext学习初步见效下面代码直接就能运行,用list模拟了数据库中取数据以下是目录结构以下是代码test1.jsp<%@pagelanguage="java"import="java.util.*"pageEncoding="UTF-8"%></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 22:28:19</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2117</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/14606" title="刮刮卡效果" target="_blank" onclick="return recordId('',)">刮刮卡效果 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/14606" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/8.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/14606';}else{window.open('/article/14606');}" style="cursor: pointer;">刮刮卡类：packagecom.reyo.view;importandroid.content.Context;importandroid.graphics.Bitmap;importandroid.graphics.Bitmap.Config;importandroid.graphics.Canvas;importandroid.graphics.Paint;importandroid.graphics.Path;importandroid.graphi</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 22:17:57</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2117</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/11423" title="UISwipeGestureRecognizer ---手指动作" target="_blank" onclick="return recordId('',)">UISwipeGestureRecognizer ---手指动作 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/11423" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/7.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/11423';}else{window.open('/article/11423');}" style="cursor: pointer;">tap是指轻触手势。类似鼠标操作的点击。从iOS3.2版本开始支持完善的手势api：tap：轻触longpress：在一点上长按pinch：两个指头捏或者放的操作pan：手指的拖动swipe：手指在屏幕上很快的滑动rotation：手指反向操作这为开发者编写手势识别操作，提供了很大的方便，想想之前用android写手势滑动的代码（编写android简单的手势切换视图示例），尤其感到幸福。这里写一个简单的tap操作。在下面视图的蓝色视图内增加对tap的识别：</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">2019-08-12 09:29:44</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2117</span></span>  </p> </article><article class="excerpt"> <header> <a title="各行各业" class="label label-important zj-del-target" href="/category/38">各行各业<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/10306" title="51Degrees.mobi 开源项目介绍" target="_blank" onclick="return recordId('',)">51Degrees.mobi 开源项目介绍 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/10306" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/6.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/10306';}else{window.open('/article/10306');}" style="cursor: pointer;">一、概括设备检测数据是缺少的成分，可以把任何标准的Web站点到移动电话和设备量身定制的体验。它可以让任何组织提供的在线客户体验优化的浏览，交易更容易，更快的页面加载。二、它是如何工作的每个手机是不同的。你会发现不同的屏幕尺寸，不同的键盘，不同的浏览器，不同的操作系统...我们保持一个独特的设备已建成的数据库，从真正的手机，制造商的规格，我们的使用信息和网站的反应。有此信息的列表-我们叫它51Degrees.mobi设备数据-使一个网站识别用户的Web浏览器</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">2019-08-12 09:27:22</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2117</span></span>  </p> </article><article class="excerpt"> <header> <a title="各行各业" class="label label-important zj-del-target" href="/category/38">各行各业<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/10313" title="POP的使用组件" target="_blank" onclick="return recordId('',)">POP的使用组件 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/10313" 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/10313';}else{window.open('/article/10313');}" style="cursor: pointer;">//JavaScriptDocumentvarThink;if(!Think)Think={}{};if(!Think.Menu)Think.Menu={}{};Think.Menu.PopMenu=function(pWidth,pHeight,pStyle,pXfocus,fYfocus){}{this.Width=pWidth;this.Height=pHeight;this.xFocus=0;this.yFocus=0;this.StyleCss=</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">2019-08-12 09:27:22</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2117</span></span>  </p> </article><div class="pagination" style="display:;"> <ul><li><a href="/search/oom/1/p/1">首页</a></li> <li class="prev-page"><a href="/search/oom/1/p/2486">上一页</a></li> <li><a href="/search/oom/1/p/2485">2485</a></li><li><a href="/search/oom/1/p/2486">2486</a></li><li class="active"><span>2487</span></li><li><a href="/search/oom/1/p/2488">2488</a></li><li><a href="/search/oom/1/p/2489">2489</a></li> <li class="next-page"><a 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