linux嵌入式开发全过程介绍，bootloader,kernel,rootfs等。很好的入门或加强材料。-linux embedded introduce the whole process of development, bootloader, kernel, rootfs and so on. Very good entry or strengthening materials.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002144s ]
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:0.087427s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002591s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002245s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003689s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002167s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015681s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002775s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 127724 [ RunTime:0.001777s ]
