开源软件开发人员必备教材，同时也是学习linux编程，学习嵌入式linux平台下软件开发的参考书。-open-source software developers essential materials, but also learning linux programming, learning embedded Linux software development platform of reference books.
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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:0.088123s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000950s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001102s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003423s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000962s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001199s ]
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