dct频域进行图像缩放的源码，非常有用。可以很快的进行图像缩放，免去了DECODE再插值。-DCT frequency domain image scaling for the source, very useful. Can be quickly carried out the image scaling, which eliminates the re-interpolation Decode.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001944s ]
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:0.089059s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002454s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002128s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002201s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003643s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001988s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003315s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017586s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002431s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 185292 [ RunTime:0.001195s ]
