俩个比较好的计数器的vhdl代码：一个是n位通用计数器，一个是的用到的语法比较全面。是比较好的学习资料-Both a relatively good counter VHDL code: one is the generic n-bit counter, one is the syntax used in the more comprehensive. Is a better learning materials
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001911s ]
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:0.084388s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000942s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001137s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001034s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002991s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000890s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003543s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015035s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001074s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 236561 [ RunTime:0.022512s ]
