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java-web项目加密运行（支持window/linux）

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JAVA项目加密(Windows/Linux/Mac/龙芯系统)

视频讲解-Java调用DLL

Servlet 采用 forward 时,页面出现汉字乱码问题

经常有人问到，在servlet里面forward到一个页面之后，浏览器总是汉字的乱码。经调试发现，是由于在servlet里面不能正确调用response.getWriter()方法造成的。servlet如下，如果去掉注释，则会出现乱码packagetest;importjava.io.IOException;importjava.io.PrintWriter;importjavax.servlet.RequestDispatcher;importjavax

系统 2019-08-29 23:41:55 2092

编程技术

【原创】在Eclipse中使用Subversion

一、下载插件并安装在Eclipse中使用Subversion来进行版本控制，需要下载插件Subclipse，下载网址是http://subclipse.tigris.org，需要根据Eclipse的版本下载相应版本的Subclipse，我们这里下载针对Eclipse3.x的版本，当前最新版本为subclipse-

系统 2019-08-29 23:15:41 2092

编程技术

JSP数据库连接池的必要性

最近我作了数据库JSP的频繁连接,在此给出数据库连接池的必要性,对于JSP来说一个很好的J2EE服务器是很必要的，JBOOS,WebLogic都是很好的解决方案。一般情况下，在使用开发基于数据库的WEB程序时，传统的模式基本是按以下步骤：1．在主程序（如Servlet、Beans）中建立数据库连接。2．进行SQL操作，取出数据。3．断开数据库连接。使用这种模式开发，存在很多问题。首先，我们要为每一次WEB请求（例如察看某一篇文章的内容）建立一次数据库连接，

系统 2019-08-29 23:13:51 2092

编程技术

我看凯立德GPS软件的规划问题

KLD（凯立德）是国内GPS软件的新锐，最近两年进步较快，在前装市场份额上升也较快。最近，KLCC系的新版已经推出，除了地图更新外，软件界面和功能调整较多，操作开始较多得采用向导式，适合初级用户使用。我测试的是所谓T系列的GPS软件，其实就是KLD原来软件的升级，最近一些GPS技术论坛放出11194杂交、P9901等测试版本，“机油”们都迅速跟进测试。其实，我个人认为KLD这种软件策略很好，有点类似微软做市场的方式，通过开放的机制使软件得到充分的测试和扩大

系统 2019-08-29 23:09:17 2092

编程技术

用happen-before规则重新审视DCL

转载自----http://lifethinker.iteye.com/blog/260515编写Java多线程程序一直以来都是一件十分困难的事，多线程程序的bug很难测试，DCL(DoubleCheckLock)就是一个典型，因此对多线程安全的理论分析就显得十分重要，当然这决不是说对多线程程序的测试就是不必要的。传统上，对多线程程序的分析是通过分析操作之间可能的执行先后顺序，然而程序执行顺序十分复杂，它与硬件系统架构，编译器，缓存以及虚拟机的实现都有着很

系统 2019-08-29 23:06:36 2092

编程技术

S3C2440上touchscreen触摸屏驱动

为了方便自己和广大嵌入式爱好者，这里转载自：http://hbhuanggang.cublog.cn一、开发环境主机：VMWare--Fedora9开发板：Mini2440--64MBNand,Kernel:2.6.30.4编译器：arm-linux-gcc-4.3.2二、前提知识1、Linux输入子系统(InputSubsystem)：在Linux中，输入子系统是由输入子系统设备驱动层、输入子系统核心层(InputCore)和输入子系统事件处理层(Eve

系统 2019-08-29 22:15:01 2092

编程技术

一个功能齐全的DataGrid分页例子

下面的这个例子提供了DataGrid的分页功能。aspx代码和CoheBehind代码分别如下，注意更改数据录连接字符串。结果如下：C#版本例子DataGridPaging.aspx<%@Pagelanguage="c#"EnableViewState="true"Codebehind="DataGridPaging.aspx.cs"AutoEventWireup="false"Inherits="eMeng.Exam.DataGridPagin</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 22:05:05</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2092</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/13113" title="我的电子书地址" target="_blank" onclick="return recordId('',)">我的电子书地址 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/13113" 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/13113';}else{window.open('/article/13113');}" style="cursor: pointer;">过去在主页的边栏中就有“我的电子书”，现在被iteye改没了，有网友问到了，我就把地址公布一下吧：http://fangang.iteye.com/blog/pdf其它文章，可以访问我的百度文集：http://www.baidu.com/p/Mooodo?from=wenku另外，我还有以下几个博客网站，我都尽量保持同步发布：http://blog.csdn.net/mooodohttp://www.cnblogs.com/mooodo/我的电子书地址</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 21:59:16</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2092</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/11720" title="SYSZUXpinyin 只能用到arm上， x86下用不了" target="_blank" onclick="return recordId('',)">SYSZUXpinyin 只能用到arm上， x86下用不了 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/11720" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/4.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/11720';}else{window.open('/article/11720');}" style="cursor: pointer;">SYSZUXpinyin只能用到arm上，x86下用不了。原因是SYSZUXpinyin的实现，用到了一个QWSinputMethod的类，这个类是arm平台的qt库所特有的。还记得我们在终端里启用qt程序后面要加个-qws参数，原因就在这。所以，用SYSZUXpinyin在arm平台尽管移植成功，但pc机上跑不了，增加了调试的复杂性。希望以后SYSZUXpinyin能考虑下这个问题！就为了在pc上跑通SYSZUXpinyin，浪费了我一个上午时间查资料S</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 09:29:55</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2092</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/10444" title="根据并发请求id查找相应trace信息" target="_blank" onclick="return recordId('',)">根据并发请求id查找相应trace信息 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/10444" 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/10444';}else{window.open('/article/10444');}" style="cursor: pointer;">1、想要查找并发请求的trace信息，需要对并发请求，启用跟踪。2、如下脚本可以查询trace信息。（trace_id，文件路径等等）SELECT'Requestid:'||request_id,'Traceid:'||oracle_Process_id,'TraceFlag:'||req.enable_trace,'TraceName:'||dest.value||'/'||lower(dbnm.value)||'_ora_'||oracle_proce</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 09:27:26</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2092</span></span>  </p> </article><div class="pagination" style="display:;"> <ul><li><a href="/search/finereport/1/p/1">首页</a></li> <li class="prev-page"><a href="/search/finereport/1/p/2574">上一页</a></li> <li><a href="/search/finereport/1/p/2573">2573</a></li><li><a href="/search/finereport/1/p/2574">2574</a></li><li class="active"><span>2575</span></li><li><a href="/search/finereport/1/p/2576">2576</a></li><li><a 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