这个是用AVR编写的程序，这里是一个时钟电路，用数码管显示当前时间。对初学者比较有用。-This is prepared by AVR process, here is a clock circuit, a digital display the current time. More useful for beginners.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002033s ]
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:0.089120s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002681s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002211s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002349s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004050s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002311s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004265s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018321s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003006s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 314194 [ RunTime:0.001288s ]
