本源码是对图像进行拉普拉斯锐化（边缘检测），在图像预处理阶段，非常实用的边缘检测代码，更适合于初学者分析与学习-the source of images Laplacian sharpening (edge detection), the image preprocessing stage. very practical edge detection code, it is more suitable for beginners to learn and Analysis
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001259s ]
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:0.121655s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000920s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001478s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001033s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003329s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001105s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003842s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.022308s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001202s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 130345 [ RunTime:0.016132s ]
