ningxiaoxiao's recent timeline updates
ningxiaoxiao

ningxiaoxiao

V2EX member #108876, joined on 2015-04-03 09:54:44 +08:00
弹幕软件开发
外包  •  ningxiaoxiao  •  Jun 29, 2023  •  Lastly replied by gof817
1
sql 平均值为什么要 full group by??
MySQL  •  ningxiaoxiao  •  Sep 9, 2022  •  Lastly replied by NoahVI
5
直播平台爬虫外包
外包  •  ningxiaoxiao  •  Feb 14, 2022  •  Lastly replied by xiao109
1
关于 dns 的疑问
DNS  •  ningxiaoxiao  •  Dec 29, 2020  •  Lastly replied by weifan
4
有没有做过 discord 机器人的
问与答  •  ningxiaoxiao  •  Oct 3, 2020  •  Lastly replied by loliordie
1
ningxiaoxiao's recent replies
Apr 30, 2022
Replied to a topic by ningxiaoxiao MySQL sql 平均值为什么要 full group by??
就是想求 在一个时间点里,以 army_id 为组的 x 的平均值,
SELECT
avg(x) as ax,
avg(y) as ay,
avg(z) as az,
FROM
`path`
WHERE
`space` = 'xxxxxxx'
GROUP BY army_id
ORDER BY
`game_time`,
`team_num`,
`team_position`

[![LzI2FJ.png]( https://s1.ax1x.com/2022/04/30/LzI2FJ.png)]( https://imgtu.com/i/LzI2FJ)
Feb 7, 2022
Replied to a topic by KamenReborn Android AI 比我更会聊天,笑果很好
有没有一种可能,就是两个 ai 在聊天?
Dec 25, 2020
Replied to a topic by ningxiaoxiao DNS 关于 dns 的疑问
抓包发现,dns 就一个包
= - =
May 17, 2020
Replied to a topic by shiji 问与答 想找一类软件,搜索不知道如何下手
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