RouletteWheel.java 轮盘法随机抽样(实数)，抽100次后再依出现频率排序K-Means.java -ouletteWheel.java roulette randomly sampling (real number), pumping 100 times and then sorted according to frequency of occurrence
文 件 列 表
ex-8 src bin .classpath .project .settings org.eclipse.jdt.core.prefs .settings
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001039s ]
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:0.072654s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000998s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001923s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001027s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003269s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001151s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004499s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014573s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001502s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 45958 [ RunTime:0.015950s ]
