算法对于编程来说很重要,本文结合数学对算法进行了很深入的研究,讲解很深刻,看懂需要很扎实的数学功底才行。-for programming algorithm is very important in this paper, and mathematical algorithms to a very in-depth study on the deep need to understand very solid mathematical foundation it.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001420s ]
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:0.088760s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001132s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002066s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001162s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003608s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000996s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003515s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015354s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001701s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 317689 [ RunTime:0.001370s ]