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:0.000919s ]
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:0.074590s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000891s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001102s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000986s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004568s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000952s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003892s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.013841s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001083s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 105706 [ RunTime:0.013118s ]
