保护开源的数据库系统MYSQL和PostgreSQL免遭SQL injection攻击。

官方站点:  http://www.greensql.net/

GreenSQL is an Open Source database firewall used to protect databases from SQL injection attacks. GreenSQL works as a proxy and has built in support for MySQL. The logic is based on evaluation of ...

Lucene是一个高性能的java全文检索工具包,它使用的是倒排文件索引结构。该结构及相应的生成算法如下:

0)设有两篇文章1和2
文章1的内容为:Tom lives in Guangzhou,I live in Guangzhou too.
文章2的内容为:He once lived in Shanghai.

1)由于lucene是基于关键词索引和查询的,首先我们要取得这两篇文章的关键词,通常我们需要如下处 ...

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