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python 工具 https://www.cnblogs.com/xzqpy/p/12697575.html mysql 好用语句 https://www.cnblogs.com/xzqpy/p/12697562.html linux 好用语句 。。。 Django 好用工具 https://ww 阅读全文
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邮箱首发 import os,sys import smtplib os.environ.setdefault("DJANGO_SETTINGS_MODULE", "server.settings") from django.core.management import execute_from_c 阅读全文
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select * from (select city,usage_percent from cdn_usage_city_5min where time='{getTime()}' and city not like '%未知%' ) as a LEFT JOIN (select city,cart 阅读全文
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聚合 Concat from django.db.models import Aggregate, CharField class Concat(Aggregate): """ORM用来分组显示其他字段 相当于group_concat""" function = 'GROUP_CONCAT' tem 阅读全文