- 军军小站|张军博客

可复用的自动升级系统实现（一）

相对于B/S结构来说，C/S模式的客户端的部署和升级是一个很大的麻烦。有很多企业用户就是因为这个原因而放弃使用C/S。然而当一个应用必须要使用C/S结构才能很好的实现其功能的时候，我们该如何解决客户端的部署与自动升级问题了？部署很简单，只要点击安装程序即可，难的在于每当有新版本发布时，能够实现自动升级。首先，我需要把自动升级的概念扩展一下。自动升级不仅仅是把当前版本的主程序EXE或其使用dll自动升级新的版本，还包括，当新版本的EXE需要使用原先不存在的d

系统 2019-08-29 23:05:24 2745

Java

高质量JAVA:错误模式

错误模式：介绍诊断和纠正Java程序中反复出现的错误类型文档选项打印本页将此页作为电子邮件发送级别：初级EricE.Allen,软件工程师,Cycorp,Inc2001年2月19日欢迎光临诊断Java代码，一个隔周更新的新专栏，它的内容集中在Java解决方案上，旨在让您能够顺利进行日常编程工作。本文为第一篇，介绍了错误模式的概念，一个非常有用的概念，它将提高您检测和修正代码中错误的能力。您会了解到一种最普遍的错误模

系统 2019-08-29 23:03:57 2745

编程技术

重置centos的root密码

CentOS忘记root密码解决办法说明操作系统：CentOS6.0遇到问题：忘记管理员账号root的密码，进不了系统解决办法：重置root密码为123456操作：开机启动系统，在进入系统之前按键盘上面的Esc键，会进入下面的界面系统运维说明操作系统：CentOS6.0遇到问题：忘记管理员账号root的密码，进不了系统解决办法：重置root密码为123456操作：开机启动系统，在进入系统之前按键盘上面的Esc键，会进入下面的界面按键盘上的e键，出现下面界面

系统 2019-08-29 22:48:08 2745

ASP.NET

Asp.Net模拟域验证登录及密码修改

示例代码为Asp.NetMVC程序，仅供参考！需要引用命名空间：usingSystem.DirectoryServices;Login.cshtml代码：@{ViewBag.Title="模拟域验证";Layout="~/Views/Shared/_Layout.cshtml";}

模拟域验证

@using(Html.BeginForm()){

用户名：@Html.TextBox("UserName")

旧密码：@Html.P

系统 2019-08-29 22:40:50 2745

编程技术

objective-C 中使用@Class和 #import区别

objective-c中，当一个类使用到另一个类时，并且在类的头文件中需要创建被引用的指针时，如下面代码：A.h文件#import"B.h"@interfaceA:NSObject{B*b;}@end为了简单起见：A类是引用类，B类是被引用类，这里先不考虑A类的实现文件。通常引用一个类有两种办法：一种是通过#import方式引入；另一种是通过@class引入；这两种的方式的区别在于：1、#import方式会包含被引用类的所有信息，包括被引用类的变量和方法；

系统 2019-08-29 22:15:53 2745

编程技术

为程序员量身定制的12个目标

对程序员们来说挑战自我非常重要，要么不断创新，要么技术停滞不前。新年伊始，我整理了12个月的目标，每个目标都是对技术或个人能力的挑战，而且可以年复一年循环使用。01.变得有耐心02.保持健康03.拥抱变化带来的不适应04.学习一门新的编程语言05.自动化06.学习更多数学知识07.关注安全08.备份你的数据09.学习更多理论知识10.接触艺术和人文11.向新的软件学习12.完成一个自己的项目接下来我会对这些建议逐个介绍。变得有耐心程序员们会担心锻炼耐心付出

系统 2019-08-29 22:13:36 2745

CSS

仿iPhone开关式按钮(jQuery+CSS3)

仿iPhone开关式按钮(jQuery+CSS3)viewsourceprint?001002003004005006仿iPhone开关式按钮(jQuery+CSS3)</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 22:11:15</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2745</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/13605" title="Struts1.x系列教程（10）：Validator验证框架入" target="_blank" onclick="return recordId('',)">Struts1.x系列教程（10）：Validator验证框架入 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/13605" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/11.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/13605';}else{window.open('/article/13605');}" style="cursor: pointer;">本文为原创，如需转载，请注明作者和出处，谢谢！上一篇：Struts1.x系列教程（9）：上传任意多个文件Struts2教程4：使用validate方法验证数据Struts2教程5：使用Validation框架验证数据一、Validator框架的优势Validator框架是一个Struts插件，最初由DavidWinterfeldt设计并实现。Validator框架从Struts0.5时代就可以使用，但那时Validator框架只是被捐助的一个jar包。Ap</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 22:05:53</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2745</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/11612" title="Animating Transitions" target="_blank" onclick="return recordId('',)">Animating Transitions </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/11612" 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/11612';}else{window.open('/article/11612');}" style="cursor: pointer;">-(void)keyDown:(NSEvent*)event{if(nil!=[self.beachsuperview]){[[selfanimator]replaceSubview:self.beachwith:self.snow];}elseif(nil!=[self.snowsuperview]){[[selfanimator]replaceSubview:self.snowwith:self.beach];}}-(CATransition*)ani</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 09:29:51</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2745</span></span>  </p> 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