2022年1月
MySQL练习
摘要： 练习一 表名: Movies Id Title Director Year Length_minutes 1 Toy Story John Lasseter 1995 81 2 A Bug's Life John Lasseter 1998 95 3 Toy Story 2 John Lassete 阅读全文
posted @ 2022-01-27 22:32 灰色灰 阅读(608) 评论(0) 推荐(0)
使用djangorestframework-simplejwt 时出现CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False.
摘要： 测试项目配置好JWT身份验证后,项目启动不了了,出现CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False. 但是setting.py文件夹没有更改DEBUG设置 DEBUG = TrueALLOWED_HOSTS = 阅读全文
posted @ 2022-01-23 01:34 灰色灰 阅读(1202) 评论(0) 推荐(0)
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module. Did you install mysqlclient?
摘要： 环境pycharm2021.1.1+python3.7+django3.2.11 测试项目时,打开python控制台出现django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module. Did you install 阅读全文
posted @ 2022-01-23 01:26 灰色灰 阅读(478) 评论(0) 推荐(0)
python列表推导式_鸡兔同笼
摘要： 题目: 雉兔各几何？ 今有雉兔同笼，上有三十五头，下有九十四足，问雉兔各几何？输出示例： 雉兔同笼，兔有12只，雉有23只 rabbits = [x for x in range(1, 36) if x * 4 + (35 - x) * 2 == 94] print('雉兔同笼，兔有%d只，雉有%d 阅读全文
posted @ 2022-01-16 12:15 灰色灰 阅读(618) 评论(0) 推荐(0)
You have 18 unapplied migration(s). Your project may not work properly until you apply the migrations for ...报错
摘要： 新建Django项目,使用python manage.py runserver命令运行时,提示 You have 18 unapplied migration(s). Your project may not work properly until youapply the migrations f 阅读全文
posted @ 2022-01-06 21:25 灰色灰 阅读(3108) 评论(0) 推荐(0)