51单片机,精确延时小函数.提供500ms,200ms,10ms,1s的精确延时,直接调用即可.-51 microcontroller, small precision delay function. For 500ms, 200ms, 10ms, the precise 1s delay, can be called directly.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001272s ]
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:0.081247s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000957s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001253s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000946s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003171s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000797s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003617s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015180s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001310s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 318713 [ RunTime:0.013254s ]
