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PHP

确保 PHP 应用程序的安全

开始之前在本教程中，您将学习如何在自己的PHPWeb应用程序中添加安全性。本教程假设您至少有一年编写PHPWeb应用程序的经验，所以这里不涉及PHP语言的基本知识（约定或语法）。目标是使您了解应该如何保护自己构建的Web应用程序。目标本教程讲解如何防御最常见的安全威胁：SQL注入、操纵GET和POST变量、缓冲区溢出攻击、跨站点脚本攻击、浏览器内的数据操纵和远程表单提交。前提条件本教程是为至少有一年编程经验的PHP开发人员编写的。您应该了解PHP的语法和约

系统 2019-08-29 23:32:37 2946

编程技术

MDaemon 邮件内容过滤规则

刚看到有位同行发表了如何设置限制附件大小。呵，俺再加多两句话上去。Mdaemon支持内容过滤(ContentFilter)功能，以防止垃圾邮件、抵御病毒入侵和备份邮件等。个边内容过滤规则邮Admin指定。而且各不相同。所有由MDaemon处理的邮件都要进入邮件队列，当启用内容过滤功能时，邮件离开队列之前都要经过内容过滤规则处理，处理的结果将决定如何设置该邮件1,定义内容过滤规则选择菜单"Security">"ContentFilter"此主题相关图片在"C

系统 2019-08-29 23:26:49 2946

编程技术

__int64 类型（VC中）与long long 型（gcc中，C

int64是有符号64位整数数据类型，也就是C#中的long和SQLServer中的bigint，范围为-2^63(-9,223,372,036,854,775,808)到2^63-1(9,223,372,036,854,775,807)，存储空间占8字节。用于整数值可能超过int数据类型支持范围的情况。c#中:Int64值类型表示值介于-9,223,372,036,854,775,808到+9,223,372,036,854,775,807之间的整数。I

系统 2019-08-29 23:23:30 2946

编程技术

ERP简介

一种ERP系统ERP是针对物资资源管理（物流）、人力资源管理（人流）、财务资源管理（财流）、信息资源管理（信息流）集成一体化的企业管理软件。一个由GartnerGroup开发的概念，描述下一代制造商业系统和制造资源计划（MRPII）软件。它将包含客户/服务架构，使用图形用户接口，应用开放系统制作。除了已有的标准功能，它还包括其它特性，如品质、过程运作管理、以及调整报告等。特别是，ERP采用的基础技术将同时给用户软件和硬件两方面的独立性从而更加容易升级。ER

系统 2019-08-29 22:53:50 2946

编程技术

揭露人性丑恶的五大心理实验

作者：AlexandraGedrose来源：Cracked.com心理学家认为，当你触及他人思想的时候必须格外小心，因为你永远也无法肯定你将会发现些什么。多年以来，就这一课题的大量心理实验已经得出了惊人的结论。请注意，我们所要讨论的对象并不是那些间歇性精神病患者；事实上，我们所说的正是您。以下这些实验的结果将不言自明：实验五、阿希的从众实验（1953年）实验步骤：心理学者阿什(SolomonAsch)曾作了一系列用以验证从众效应的研究，其实验结果可令所有读

系统 2019-08-29 22:44:57 2946

Tomcat

Tomcat Undefined exploded archive location项

原因：在工程转移过程中，导致工程的配置文件出错；解决方法：1.在工程目录下的.mymetadata文件中可能webrootdir被改无效了(把下面内容拷到你的.mymetadate文件中的相应位置上)；或者有可能少了这context-root这个属性；添加上这个属性即可，内容如下：context-root="/上面的name属性值"2.关掉Eclipse，再启动Eclipse，接着发布工程，发布成功！例如:Xml代码

系统 2019-08-29 22:34:10 2946

编程技术

以一种"廉价"的方式获取页面的标题(downmoon)

有朋友问到：“我需要得到一个webpage的title，因为这个title一般都比较靠前，只要取得html的前面少量内容就可以了。因为要取得很多个页面的title,如果下载整个htmlcode，肯定比较浪费时间。.net好像没有现成的类可以干这件事情(取得部分html)，我应该如何去实现？”一种比较"廉价"(即较小成本条件下)的解决思路：第一步：取出含有页面title部分的最小集合。这是“廉价”的关键！第二步：用正则表达式取出和</title</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 22:21:16</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2946</span></span>  </p> </article><article class="excerpt"> <header> <a title="Ubuntu" class="label label-important zj-del-target" href="/category/55">Ubuntu<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/13562" title="安装Ubuntu 11.04 后的20件事" target="_blank" onclick="return recordId('',)">安装Ubuntu 11.04 后的20件事 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/13562" 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/13562';}else{window.open('/article/13562');}" style="cursor: pointer;">4.28日，Ubuntu11.04就发布了！本文将向你介绍Ubuntu11.04安装后快速配置需要做的20件事。1、不喜欢Unity？切换到Ubuntugnome经典桌面！注销unity桌面环境，然后选择登录环境为“经典桌面”即可进入。若是你喜欢Unity，可是你的显卡不给力3D不支持，怎么办呢？安装Unity-2D：引用sudoapt-add-pparepository:unity-2d-team/unity-2d-dailysudoapt-getupd</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 22:05:20</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2946</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/13435" title="用log4j打印堆栈报错信息" target="_blank" onclick="return recordId('',)">用log4j打印堆栈报错信息 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/13435" 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/13435';}else{window.open('/article/13435');}" style="cursor: pointer;">当多个项目共用一个应用服务器时，堆栈信息只有在控制台才能看到。而控制台只有一个，这样调试极不方便。想了个办法，用log4j保存堆栈信息，代码如下：publicstaticvoiderrorException(Exceptione){StackTraceElement[]ste=e.getStackTrace();logger.userOperateError(e.getMessage());for(inti=0;i<ste.length;i++){logg</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 22:03:44</span></span> <span 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pointer;">---------------------------------------------------------------------------------------------------------------------//获取日期+时间DateTime.Now.ToString();//2008-9-420:02:10DateTime.Now.ToLocalTime().ToString();//2008-9-420:12:12//获取日期</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 01:54:04</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2946</span></span>  </p> </article><div class="pagination" style="display:;"> <ul><li><a href="/search/javap/1/p/1">首页</a></li> <li class="prev-page"><a href="/search/javap/1/p/421">上一页</a></li> <li><a href="/search/javap/1/p/420">420</a></li><li><a href="/search/javap/1/p/421">421</a></li><li class="active"><span>422</span></li><li><a href="/search/javap/1/p/423">423</a></li><li><a href="/search/javap/1/p/424">424</a></li> <li class="next-page"><a 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