JPEG编码的国际标准。详细的解释了JPEG编码中的常用词汇、算法、步骤及流程等。适用于需要对JPEG编码进行研究的。-JPEG encoding international standards. Detailed explanation of the JPEG encoding of the commonly used vocabulary, algorithms, steps and processes. Applicable to the need for JPEG encoding to conduct the studies.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001216s ]
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:0.069423s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001071s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001281s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000982s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003414s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000848s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003738s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014865s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001117s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 123678 [ RunTime:0.014115s ]
