SHOW FULL COLUMNS FROM `posts` [ RunTime:0.000509s ]
SELECT * FROM `posts` WHERE `id` = 19150 AND `audit_status` = 1 AND `is_sensitive` = 0 LIMIT 1 [ RunTime:0.000392s ]
SHOW FULL COLUMNS FROM `topics` [ RunTime:0.000325s ]
SELECT * FROM `topics` WHERE ( `id` = 522 ) AND `topics`.`delete_time` IS NULL LIMIT 1 [ RunTime:0.000326s ]
SELECT * FROM `topics` WHERE ( `id` = 215 ) AND `topics`.`delete_time` IS NULL LIMIT 1 [ RunTime:0.000336s ]
SHOW FULL COLUMNS FROM `comments` [ RunTime:0.000396s ]
SELECT COUNT(*) AS think_count FROM `comments` WHERE `post_id` = 19150 AND `audit_status` = 1 AND `is_sensitive` = 0 LIMIT 1 [ RunTime:0.000274s ]
SELECT * FROM `comments` WHERE `post_id` = 19150 AND `audit_status` = 1 AND `is_sensitive` = 0 AND `parent_id` = 0 ORDER BY `is_folded` ASC,`like_count` DESC,`id` DESC LIMIT 100 [ RunTime:0.000214s ]
SELECT * FROM `comments` WHERE `post_id` = 19150 AND `audit_status` = 1 AND `is_sensitive` = 0 AND `parent_id` = 32111 ORDER BY `id` ASC LIMIT 300 [ RunTime:0.000287s ]
方法倒是有:拿两本高数加一本概率论垫在枕头上面(注意别垫下面,容易接触不良),这样数学知识就会因为密度差自己流进你脑子里。
大脑一碰到这种看不懂的东西就会启动保护机制,供血集中到脑部,你马上就会昏昏欲睡。等你睡着后大脑就开始超频运转了,建议头上贴个手机散热贴,或者干脆在空调房开风扇躺好。
等大脑差不多理解的时候,你会看到一个叫马斯的车站,去找 114 号车,坐到仲夏 514 大街,找个叫贝叶斯的人,他会教你。
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