在VB环境下实现各种2D图形画线算法，具体包括：数值微分法，中点画线法，Bresenham画线法-In the VB environment to achieve a variety of 2D graphics line drawing algorithm, including: numerical differential method, in stipple line method, Bresenham drawing line method
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001033s ]
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:0.060469s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001390s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001304s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000988s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.007600s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001222s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007519s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025312s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001749s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 228652 [ RunTime:0.026068s ]
