好东西，用dephi写的，高数中的算法，包括积分，微分，极限，级数，最优化方法等-good things with dephi written in the high number of algorithms, including integral, differential, limit, series, optimization methods
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001326s ]
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:0.155647s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.010895s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001676s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001446s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004601s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001140s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005030s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.027560s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001196s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 316798 [ RunTime:0.304425s ]
