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手把手教你!Python NumPy 数组切片实战

  • 2026-02-27 07:05:23
手把手教你!Python NumPy 数组切片实战
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  1. CONNECT:[ UseTime:0.000730s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000887s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000295s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000242s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000468s ]
  6. SELECT * FROM `set` [ RunTime:0.000189s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000487s ]
  8. SELECT * FROM `article` WHERE `id` = 475756 LIMIT 1 [ RunTime:0.000436s ]
  9. UPDATE `article` SET `lasttime` = 1772272894 WHERE `id` = 475756 [ RunTime:0.013974s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000228s ]
  11. SELECT * FROM `article` WHERE `id` < 475756 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000406s ]
  12. SELECT * FROM `article` WHERE `id` > 475756 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003640s ]
  13. SELECT * FROM `article` WHERE `id` < 475756 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001140s ]
  14. SELECT * FROM `article` WHERE `id` < 475756 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002426s ]
  15. SELECT * FROM `article` WHERE `id` < 475756 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002626s ]
0.095070s