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XPDL与WS-BPEL的比较之四：工作流模式

二者对工作流模式的支持都比较全面（主要是指常说的Control-flow部分）。具体可参照列表：http://www.workflowpatterns.com/evaluations/standard/index.php今天看到的几点，以后可以再补充：BPEL的一个优势：通过scope元素的isolated属性支持InterleavedParallelRouting模式：http://www.workflowpatterns.com/patterns/co

系统 2019-08-29 23:46:31 1806

编程技术

在网页中插入Flv视频文件详细图解

[1b]Flv视频文件的来源[/1b]首先说下这个Flash视频，也就是FlashVideo。为什么要用这个？很显然是需要在网页中播放视频。我们都知道一般的视频文件，要不就是asf格式、wmv格式使用mediaplayer进行播放，要不就是rm格式用RealPlayer播放。这样的问题是，格式的不同就需要选择不同的播放器，这对于本地计算机没有安装相应播放器的用户来说，这些视频根本无法收看。并且，还由于这些文件的容量过大，下载慢，查看也不很流畅。所以，解决播

系统 2019-08-29 23:36:09 1806

编程技术

最简单的可拖拽窗口教程

弹出窗口，并且可以拖拽，可以关闭，这个是很多时候都用得到的效果，特别是教师做课件的时候。但是菜鸟如我者是不会使用窗口组件的，无他，因为实在是太麻烦，一来颜色不对的话不会换，二来看看说明要关闭还要按什么侦听事件什么的，看得我头都大啦。下载外国的高级窗口组件吧，又不会使。哎~~~~~为了广大跟我一样菜的鸟，我弄了个自定义窗口的简单教程，希望各位高手不要笑话才好。1.首先做一个窗口的样式出来，包括顶上的长方块和正文方块。当然了这个要尽量好看才行。2.把这个窗口的

系统 2019-08-29 23:35:29 1806

编程技术

J2ME中使用Socket开发联网程序

在J2ME中基于UDP协议编程一文中介绍了如何使用Datagram和DatagramConnection来开发应用程序，本文将主要讲述在MIDP2.0中使用ServerSocketConnection和SocketConnection来开发联网应用程序。TCP协议是可以保证传输的质量的，这也是他和UDP的一大区别。由于以上谈到的四个类都属于GCF，他们在程序编写方面也非常相似，通常我们在Server端的某个端口监听，当客户端连接服务器的时候，则可以得到一个

系统 2019-08-29 23:32:58 1806

编程技术

AS3版本FMS Streaming FLV播放方式

AS3版本的FMSStreamingFLV的方法与前一篇的Progressive的方法基本一致，我们只需要把前一篇中的代码的某些部分做改动即可。注意看区别就在nc.connect的参数部分，下面是代码：package{importflash.display.Sprite;importflash.net.NetConnection;importflash.net.NetStream;importflash.media.Video;importflash.di

系统 2019-08-29 23:29:06 1806

编程技术

完整的简单层拖动代码

howtomakeadragdivision-<ahref="http://www.never-online.net"target="_blank"><ahref="http://www.never-online.net"target="_blank">http://www.never-online.net<</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 23:27:10</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">1806</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/19914" title="应用程序外衣下的恶意软件" target="_blank" onclick="return recordId('',)">应用程序外衣下的恶意软件 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/19914" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/15.jpg" alt="" 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pointer;">winform程序，在发布时往往需要更改数据库连接字符串，而数据库采用附加的方式配置数据库连接字符串，可以使用VS2005的配置界面来处理引用C:/ProgramFiles/MicrosoftVisualStudio8/Common7/IDE里面的Microsoft.Data.ConnectionUI.Dialog.dll。 </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/19172" title="接着琢磨之前的投票" target="_blank" onclick="return recordId('',)">接着琢磨之前的投票 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/19172" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/3.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/19172';}else{window.open('/article/19172');}" style="cursor: pointer;">周一接着半拉子半死不活的投票系统，继续孤军奋战于无人境界。我的PL头儿就没见着鬼影，大好的周一，不来上班。谁让人牛呢。javax.servlet.ServletException:org/apache/jsp/testjsp_jsp(wrongname:org/apache/jsp/TestJSP_jsp)org.apache.jasper.servlet.JspServlet.service(JspServlet.java:244)javax.servl</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 23:16:02</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">1806</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/18754" title="数学之美系列六 -- 图论和网络爬虫 (Web Crawle" target="_blank" onclick="return recordId('',)">数学之美系列六 -- 图论和网络爬虫 (Web Crawle </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/18754" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/20.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/18754';}else{window.open('/article/18754');}" style="cursor: pointer;">2006年5月15日上午07:15:00作者:google吴军[离散数学是当代数学的一个重要分支，也是计算机科学的数学基础。它包括数理逻辑、集合论、图论和近世代数四个分支。数理逻辑基于布尔运算，我们已经介绍过了。这里我们介绍图论和互联网自动下载工具网络爬虫(WebCrawlers)之间的关系。顺便提一句，我们用GoogleTrends来搜索一下“离散数学”这个词，可以发现不少有趣的现象。比如，武汉、哈尔滨、合肥和长沙市对这一数学题目最有兴趣的城市。]我们上</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 23:10:34</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">1806</span></span>  </p> </article><div class="pagination" style="display:;"> <ul><li><a href="/search/scala/1/p/1">首页</a></li> <li class="prev-page"><a 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