整理的JPEG的编码器，全员源码，非常适合初学者，搞清DCT、Huffman，jpeg 语法等。-finishing JPEG encoder, the full source code, are very suitable for beginners, get DCT, Huffman, jpeg syntax, and so on.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002165s ]
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:0.088090s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002353s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002157s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003905s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002055s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015019s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002407s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 238869 [ RunTime:0.001188s ]
