DjangoField: How to store semi-structured data …

One of the cool features that was introduced was the JSONField.JSONField allows for you to store semi-structured data alongside other data fields in PostgreSQL, and SQLite databas…

Django : How to add a new field to a model make…

In Django 1.7, in order to add a new field to a model you can simply run ./manage.py makemigrations and ./manage.py migrate and the new field will be added to your DB. If you wa…

What is the difference between null=True and bl…

When we add a model field in Django. ``` models.CharField(max_length=100, null=True, blank=True) ``` What is the basic differences between: Null=True sets NULL (versus NOT …

Django: How to check the Django version you're …

You might be wondering () what is the version of Django you are using right now. Method 1 -------- ``` python -m django --version ``` Method 2 -------- ``` django-admin -…

How to create a Django superuser

Django includes a powerful admin interface that lets you interact with your site’s data more easily.Admin panel is one of the most useful Django features. Let’s first see what a…

How to run a Django development server on a dif…

When you start your Django development server it runs on port 8000 by default. ``` $ python manage.py runserver Watching for file changes with StatReloader Performing system ch…

How to create a new Django project?

To create a new Django project, you can use the `django-admin` command-line utility. Here are the steps you need to follow: 1. Open a command prompt or terminal window. 2. Navig…

How to create a new Django app within a project?

To create a new Django app within a project, you can use the following command in the terminal, where "myapp" is the name of the new app you want to create: ``` python manage.p…

How to add validation to a Django model field?

To add validation to a Django model field, you can use the `validators` argument of the field definition. The `validators` argument takes a list of callables and Django will run e…

在 Django 模板文件中使用图片

要在 Django 模板文件中使用图片，需要使用 `img` 标签，并设置 `src` 属性为图片的 URL。如果图片文件存储在本地，可以使用 Django 的 static file 功能来获取图片的 URL。以下是一个简单的例子： ``` {% load static %}