《单片机语言C51程序设计》的部分配套源代码，适合于刚开始接触单片机编程的程序员- Single-chip C51 programming language part of supporting source code, suitable for beginning programmers contacts Microcontroller Programmer
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002284s ]
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:0.089638s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002059s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002034s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002764s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003944s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002171s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003457s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015669s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002601s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 172986 [ RunTime:0.001255s ]
