伪随机数的产生程序 有m序列还有同余序列等等 用与嵌入信息位置的选择或密钥的制作-Pseudo-random number generation process has m sequences are congruent with and embedded in sequence and so the choice of location information or the production of key
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001911s ]
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:0.098457s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.005328s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002184s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001471s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003596s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001106s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003818s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014972s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001101s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 157435 [ RunTime:0.022442s ]
