关于GPS定位方程式的讲述，是台北的Jeff写的，我把它编程了文档，发给大家，一起拿来学习。-GPS positioning on the formula described is written in Taipei, Jeff, and I recommend it programmers the document, distributed to you, used to study together.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001368s ]
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:0.063552s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001114s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000916s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002957s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000829s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003497s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.061873s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.011937s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 321905 [ RunTime:0.609878s ]
