多线程编程实例，内设有若干多线程操作方法，学习LINUX中线程属性的设置。-multithreaded programming examples, there are a number of multi-threaded operating methods, learning Linux thread attribute set.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.005179s ]
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:0.090474s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000936s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001035s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003378s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000884s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014718s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001289s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 278329 [ RunTime:0.015770s ]
