一个jpeg编码程序，有效实现了图像的jpeg压缩，是一个非常好的编码试例。-a jpeg coding procedures, the effective realization of the jpeg image compression, is a very good coding test cases.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002364s ]
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:0.091087s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002430s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002122s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002947s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006026s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002495s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003233s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016098s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002810s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 125555 [ RunTime:0.001286s ]
