摘要: Introduction A web crawler is a program that browses the World Wide Web in a methodical and automated manner. It also known as web spider, web robot, ant, bot, worm, and automated indexer. Famous exam... 阅读全文
posted @ 2008-02-27 13:43 josephshi 阅读(461) 评论(0) 推荐(0) 编辑
摘要: Why use Excel as a Database? Most developers know how to use back ends like Microsoft SQL server, Oracle, Microsoft Access or IBM DB2 as database back ends for their applications. Microsoft Excel in t... 阅读全文
posted @ 2008-02-27 13:40 josephshi 阅读(517) 评论(0) 推荐(0) 编辑