摘要： From http://en.wikipedia.org/wiki/Classless_Inter-Domain_RoutingClassless Inter-Domain Routing (CIDR) is a method for allocating IP addresses and routing Internet Protocol packets. The Internet Engineering Task Force introduced CIDR in 1993 to replace the previous addressing architecture of classful 阅读全文

摘要： 源自 http://baike.baidu.com/view/204179.htmCIDR（无类型域间选路，Classless Inter-Domain Routing）是一个在Internet上创建附加地址的方法，这些地址提供给服务提供商（ISP），再由ISP分配给客户。CIDR将路由集中起来，使一个IP地址代表主要骨干提供商服务的几千个IP地址，从而减轻Internet路由器的负担。目录基本信息如何工作实例基本信息英文缩写: CIDR (Classless InterDomain Routing) 中文译名: 无类域间路由 分 类: 网络与交换 解 释: 现行的IPv4（网际协议第4版）的 阅读全文

摘要： From http://wiki.nginx.org/Nginx ("engine x") is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Igor Sysoev started development of Nginx in 2002, with the first public release in 2004. Nginx now hosts nearly 7.65% (22.8M) of all d 阅读全文

摘要： From http://biodegradablegeek.com/2008/04/how-to-post-form-data-using-ruby/POSTing data on web forms is essential for writing tools and services that interact with resources already available on the web. You can grab information from your Gmail account, add a new thread to a forum from your own app, 阅读全文

摘要： Restart mysql:sudo /etc/init.d/mysql restart;mysql -uroot -proot <database> #connect to mysqlmysql> use <database>mysql> show tables;mysql> select * from <table>;mysql> delete from <table> where <condition>;mysql> desc <table>; #表结构mysql> show va 阅读全文

摘要： http://karuppuswamy.com/wordpress/2010/06/18/enter-password-to-unlock-your-keyring-prompt-in-ubuntu/Ubuntu uses Centralized password management tool called Seahorse. This tool is a front end GUI to GNOME’s keyring management system. In simple this tool stores all passwords with a master password wh 阅读全文

摘要： http://www.net.cn/service/faq/yuming/ymzc/200708/2463.html正则表达简单验证域名： /^[0-9a-zA-Z\u4E00-\u9FA5-]+[\.a-z\u4E00-\u9FA5]*\.[a-z\u4E00-\u9FA5]{2,6}$/.test(domainName)国际域名.com：商业机构，任何人都可以注册； .edu：教育机构； .gov：政府部门； .int：国际组织； .mil：美国军事部门； .net：网络组织，例如因特网服务商和维修商，现在任何人都可以注册； .org：非盈利组织，任何人都可以注册； .biz：商业； .i 阅读全文

摘要： unicode编码，一种全世界语言都包括的一种编码。这是一个匹配中文字符也就是汉字的表达式 ， \u 的意思是 Unicode，也就是双字节的字符，汉字就是双字节的 阅读全文

摘要： http://en.wikipedia.org/wiki/URL_redirectionURL redirection, also called URL forwarding and the very similar technique domain redirection also called domain forwarding, are techniques on the World Wide Web for making a web page available under many URLs.Contents[hide]1 Purposes1.1 Similar domain na 阅读全文

摘要： From http://www.mtgsy.net/kb/DNS/Advanced_http_redirects_using_the_dns_editing_pageWhilst the management panel can provide 'simple' web forwarding, there are sometimes cases where more advanced web forwarding is required. Examples are forwarding a naked domain (just the domain name part with 阅读全文