微软提供的官方驱动MS的驱动不完全支持JDBC规范. 由于微软的SQL Server2000的JDBC驱动不支持“反复查询”，可能会出现ResultSet can not re-read row data for column x的错误。 如果使用sourceforge的jTDS驱动，就不会有上述问题了jtds. 现在最新的版本是1.1， June 16, 2005 http://sourceforge.net/projects/jtds/ 。 要使用jTDS驱动，配置要做一些相应的变动： 数
When you appreciate what you have, what you have appreciates in value. Kinda cool right? So basically, being grateful for the goodness that is already evident in your life will bring you a deeper sense of happiness. And that’s without having to go o
memtester是一个用户空间在一台计算机内存子系统测试工具，以确定它是否有故障。它能发现间歇性故障和非确定性故障。它有很多的测试，以帮助捕捉临界内存。 memtester要编译和运行任何32位或64位的Unix或类Unix系统。 IOzone是一个文件系统测试基准工具。可以测试不同的操作系统中文件系统的读写性能。可以通过 write, re-write, read, re-read, random read, random write, random mix, backwards read
Over the years, I have been digging through large data sets both for work and pleasure. I love numbers, charts, graphs, visualizations, zeitgeists, raumzeitgeists, infographics and old maps. Getting to peek into what companies like Google get to see
