双缓冲绘图 VC
初学者和一般爱好者可以看看，我看了之后觉得好，就发上来了-double buffering graphics VC beginners and general lovers can see, I feel that after a good read on the line with the
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001999s ]
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:0.094556s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002359s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002018s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003809s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001931s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003186s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024840s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002704s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 214102 [ RunTime:0.001391s ]
