学习USB2.0驱动程序设计源码，包括Windows DDK Driver驱动的详细设计，U盘，MP3的程序设计例子
(learning USB Driver Design source, including Windows DDK Driver Driver of the detailed design, the U-disk, MP3 programming examples)
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SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.150608s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001879s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001871s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006000s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001560s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002139s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 54110 [ RunTime:0.001748s ]
