这是一个关于DSP定点和浮点运算的比较详细的解释,多学习DSP帮助很大-This is a study on fixed-point DSP and floating-point operations in a more detailed explanation, very helpful learning DSP
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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:0.144101s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001278s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001648s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003634s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001087s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001474s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 204414 [ RunTime:0.001210s ]
