IPC共享内存例子，用共享内存让两个窗口间相互公用一段内存，实现沟通-IPC shared memory example, using shared memory between two windows so that the common section of memory, the realization of communication
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001977s ]
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:0.123036s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003076s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002749s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.003088s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006276s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002613s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005167s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016666s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002989s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 119839 [ RunTime:0.001362s ]
