linux 应用程序API_进程
进程和信号编程
管道/io ,进程间通讯，网络编程，
线程机制
-linux application process and signal process API_ programming pipeline/io, inter-process communication, network programming, threading mechanism
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001253s ]
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:0.087928s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001154s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001927s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001171s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003640s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000971s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003206s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014542s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001206s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 223385 [ RunTime:0.001420s ]
