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clancyliu

clancyliu

V2EX member #429298, joined on 2019-07-14 20:05:02 +08:00
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打开时我还在想我有学了啥,1 楼老哥提醒了我。夏天买了游泳次卡,自学会了自由泳,蝶泳还在自学中
@z919126592 我靠,这事真发生在我身上了
我看怎么都没有推荐 massage 的,适合每天特种兵后放松,真的很舒服。
giffgaff
cudy tr3000
May 11, 2023
Replied to a topic by liangxin1998 职场话题 拖工资的企业还能待?
我和你所在公司的情况类似,25 号发工资感觉很坑啊!还拖欠工资,更坑!不过我失业太久了,害怕了。有个班上也挺好,主要是不咋加班,只能这样安慰自己了。
Feb 28, 2023
Replied to a topic by test008u7 深圳 建了一个深圳生活交流群
T1hGRjEyMw==

求拉
Oct 15, 2021
Replied to a topic by MozzieW MySQL 请教 MySql 多表 join 怎么优化好
根据之前各位大佬提示,我的想法是,在用户表中增加最后一次登录时间 last_login_time,是否会员标致 vip_flag,会员过期时间 vip_expire_time, 每次登录更新 last_login_time, 下单就置 vip_flag 为 1,且更新 vip_expire_time 。你提到的三个问题,都能通过查一张表解决如下:
1. select * from user where last_login_time >= 10 天前
2. select * from user where vip_flag = 1 and last_login_time >= 10 天前
3. select * from user where vip_flag = 1 and last_login_time >= 10 天前 and vip_expire_tima > 现在
再添加相应索引,应该能够一定的优化效果。
上面说到的是对新来的数据的处理,老的数据也可以通过登录日志表和订单表把新增的三个字段赋值上(洗数据),不知道这样能不能对你有一些帮助。
已经找到方案了,flume 里面有一种 Taildir Source , https://flume.apache.org/releases/content/1.9.0/FlumeUserGuide.html#taildir-source
之前看了很多次文档,都没有注意到这里
我一个计算机的进了超图研究院,干了快一年溜了。超图喜欢招地理信息方面的,你可以去试试,不过待遇真的低于互联网。
我现在找到问题了,我用的云服务器,带宽太低,我在本地跑程序,传输速率很慢,如果把程序放在服务器上,还是很快的。
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