可重用的向量/矩阵类代码,这是一个灵活的向量/矩阵类代码，其边界可以任意设定。--Class code of vector/Matrix which may be reuseful, it is a flexible vector/matrix class code, and its border may be setted freely.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001923s ]
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:0.088823s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002630s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001943s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002276s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003732s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002173s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003393s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015413s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002614s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 105706 [ RunTime:0.001272s ]
