国外游戏开发者杂志2001年第十二期配套代码，包含了Jonathan Blow的如何计算mipmapping上的内积的例子--Code of game development magazine in 2001 12th issue,it including Jonathan Blow example that how to calculate inner product of mipmapping
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.012115s ]
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:0.099170s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001120s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001169s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001030s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003257s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000981s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004057s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015553s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001154s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 105782 [ RunTime:0.011863s ]
