问django-rest: TypeError: unhashable type：'list‘EN观察是否将列表和非列表的类型相连。观察是否将列...
Request URL: http://127.0.0.1:8000/sales/add_customer/ Django Version: 3.1.2 Exception Type: TypeError Exception Value: __str__ returned non-string (typeNoneType) Exception Location: /home/zyl07/djs/djs3/lib/python3.8/site-packages/django/forms/models.py, line 1240,inlabel_from_instance Py...
特别是migrate命令，由于django的数据库中包含了migrations的记录，如果migrations文件丢失，很可能造成migrate...
When upgrading from Django-mptt 0.8.6 to 0.11.0 or later version, Django migrations fail with unsupported type error: TypeError: unsupported operand type(s) for +=: 'set' and 'tuple' The error is traced to: django-mptt/mptt/models.py Lin...
描述¶ Following the link 'easy-pickings' onhttps://docs.djangoproject.com/en/1.3/internals/contributing/I got the message: Oops… Trac detected an internal error: TypeError: unhashable type: 'list' How to Reproduce¶ While doing a GET operation on/query, Trac issued an internal error...
Django-contenttype组件 Contenttype组件一般使用在表结构是一种策略模式中,能够帮助我们快速的操作。 表关系 如下设计:有一张价格表,有三种不同课程类型(大课、小课、软件服务),而且每种课程(大课中的Python)因为周期(30 60 90 )的不同而价格也不同。
django requests 指定参数type类型 django typescript,一个完整的网站都是有前台和管理后台组成的,前台用来给真正的用户浏览和使用,后台用来给管理员管理网站内容,配置各种功能和数据等。博客的管理后台就是用来承载创建博客,发布博客,查看留言,管理博客用户这些功能
in reply to:2comment:3by匿名用户,17年 ago 处理结果:invalid 状态:closed→reopened Replying toubernostrum: Sounds like you've perhaps setblank=Trueon the field and forgotten to supply a fallback value elsewhere in your code. Please ask -- with detailed information -- on the django-users mail...
Asked by InBody I followed this deployment tutorial https://docs.digitalocean.com/tutorials/app-deploy-django-app/ and after trying to add staticfiles I get the title’s error. This is the static configuration: STATIC_URL = 'staticfiles/' # I changed this...
Another variable we want to define is a boolean,DEBUG. TheDEBUGflag in Django must never be turned on in a production deployment. It is intended to get additional feedback during development. For example, in debug mode, Django will display detailed error pages when an exception occurs. ...