文档包括LM567单通道红外遥控电路的图形，以及电子技术应用的一些文章，希望有用。-Documents, including single-channel infrared remote control circuit LM567 graphics, as well as a number of applications of electronic technology article, I hope useful.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.003374s ]
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:0.105192s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.016310s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.006321s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002681s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004474s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000886s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003704s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017661s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001244s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 153022 [ RunTime:0.012260s ]
