各种51单片机源程序集，包括浮点数的计算，多字节的加减等算法的实现-SCM source scripts, including floating point calculations, multi-byte such as addition and subtraction algorithm implementation
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001179s ]
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:0.075806s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001069s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001229s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000998s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003218s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000749s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003719s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016050s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001391s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 108248 [ RunTime:0.014900s ]
