初学者实现矩阵乘法,觉得矩阵乘法简单但很实用,写的不是很高效,可以下载下来研究研究哦。-beginners achieve matrix multiplication, a simple matrix multiplication think it is practical and writing is not very efficient and can be downloaded from studies oh.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001131s ]
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:0.091137s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001023s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001303s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001092s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003388s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000993s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003872s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018052s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001518s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 180451 [ RunTime:0.023677s ]