一本很经典的信息论电子书，对希望从事这方年研究的人很有参考价值。-A classic information theory e-books, on the hope that engaging in this side-year study of people of great reference value.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001252s ]
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:0.109125s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000936s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001100s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000917s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002981s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001908s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003837s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020914s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.020607s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 197284 [ RunTime:0.057507s ]
