摘要：mysql根据配置文件会限制server接受的数据包大小。有时候大的插入和更新会受max_allowed_packet 参数限制，导致写入或者更新失败。(Packets larger than max_allowed_packet are not allowed.)查看目前配置：show VARIABLES like '%max_allowed_packet%';显示的结果为：+--------------------+---------+| Variable_name | Value |+--------------------+---------+| max_allowed 阅读全文

摘要：NET 4.0中的泛型的协变和逆变 http://www.cnblogs.com/jingzhongliumei/archive/2012/07/02/2573149.htmlSQLite入门 http://www.cnblogs.com/NeverGone2012/archive/2012/07/02/Introduce_SQLite.htmlC#中的委托与事件http://www.cnblogs.com/jimmyzhang/archive/2007/09/23/903360.html引用参数（ref）与输出参数（out）http://www.cnblogs.com/XiaoAi3/arc 阅读全文