java 写的matrix等的一些操作，含有矩阵求逆等方法，是java3d的一部分。https://java3d.dev.java.net/binary-builds.html -matrix operations such as matrix inversionmethods,It is part of java3d project. https:// java3d.dev.java.net/binary-builds.html
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001226s ]
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:0.092289s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001278s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001995s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001224s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003645s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001066s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003272s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016192s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001410s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 45729 [ RunTime:0.001353s ]
