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Python爬虫保姆级教程:从0到实战项目...

  • 2026-08-18 23:11:26
Python爬虫保姆级教程:从0到实战项目...

每天复制粘贴数据，真的太浪费时间。

学会 Python爬虫，可以自动采集网页数据、整理信息、提高工作效率。

从 requests、BeautifulSoup 到 Scrapy实战，一篇带你入门。

让Python不只是写代码，更成为你的效率工具。

~
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一文读懂 Linux 内核 Initcall 机制

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  1. CONNECT:[ UseTime:0.000967s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001528s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.006281s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.004019s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001566s ]
  6. SELECT * FROM `set` [ RunTime:0.031314s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001609s ]
  8. SELECT * FROM `article` WHERE `id` = 507407 LIMIT 1 [ RunTime:0.074590s ]
  9. UPDATE `article` SET `lasttime` = 1787347234 WHERE `id` = 507407 [ RunTime:0.043078s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001893s ]
  11. SELECT * FROM `article` WHERE `id` < 507407 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.002597s ]
  12. SELECT * FROM `article` WHERE `id` > 507407 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.015588s ]
  13. SELECT * FROM `article` WHERE `id` < 507407 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.328761s ]
  14. SELECT * FROM `article` WHERE `id` < 507407 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.173392s ]
  15. SELECT * FROM `article` WHERE `id` < 507407 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.082645s ]
0.954518s