·作者：Larry OCull Richard Barnett Sara 出版社：清华大学出版社图书简介：欢迎进入嵌入式编程和微控制器应用的世界！使用日益流行且价格适宜的Atmel AVR嵌入式控制器作为学习平台。本书是目前可以获得的最佳书籍之一。对于初学者，本书将会是极好的选择。随着对Atmel AVR RISC处理器的介绍，读者会立即进入嵌入式C语言教程之中。在本书中，读者将学习C语言的变量和
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001039s ]
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:0.062080s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001052s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001248s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000930s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003069s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000777s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003750s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.028189s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001791s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 465935 [ RunTime:0.014554s ]
