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:0.001396s ]
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:0.071656s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000989s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001181s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000923s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003137s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001809s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003887s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015915s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001225s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 223385 [ RunTime:0.016166s ]
