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Is a database manager used in the Django framework. Implemented via classes and inheritance in python.

In Django, views are a fundamental component that handle the logic of your web application. They process incoming web requests, interact with models (to retrieve or modify data), and return an HTTP response. In essence, views determine what data gets displayed and how it is presented by associating URLs with Python functions or classes.

Is a high-level, open-source web framework for building web applications using the Python programming language. It follows the model-view-template (MVT) architectural pattern and is designed to facilitate rapid development while promoting clean, pragmatic design.

Are a way of propagating changes made to your Django models (which represent your database schema) into the actual database schema. They are a core part of Django's ORM (Object-Relational Mapping) system and help you manage the database schema in a versioned and structured manner.

Is a way to process requests globally before they reach the view or after the view has processed them. Middleware is a framework of hooks into Django's request/response processing and is used for several purposes.

Why did you choose django over website builders ?

Quite a difficult question. I guess I like to understand and delve into complex things, although it seems that it’s not worth it. It's a similar story with game development. Instead of making games using game engines, I made my own, **DI**. Well, I'm just not looking for easy ways ;)

I can’t stand Django template language. Do I have to use it?

I think this template engine is the best thing ever, but I know that choosing a template language runs close to religion. There’s nothing about Django that requires using the template language, so if you’re attached to Jinja2, Mako, or whatever it's ok.

How can I see the raw SQL queries Django is running?

Make sure your Django DEBUG setting is set to True. Then import connection from django.db. connection.queries is only available if DEBUG is True. It’s a list of dictionaries in order of query execution. Each dictionary has the sql and time property.

When to use OneToOne model field in Django ?

This model field is perfect when it is necessary to add new functionality to an existing model (or rather, to a model entry in the DB). That is, when changing the existing functionality of already created models is not justified as it is difficult or expensive.

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Create and init the basic and simple Django project

19.07.2024

05.10.2025

1 minute

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Backend

Django

Create virtual environment and working directories for Django.

Let’s make a directory.

mkdir Project

Go there

cd Project

Installing a virtual environment

python -m venv .venv

Now, activate virtual environment.

source ./.venv/bin/activate

source ./.venv/Scripts/activate

To check a successful activated virtual environment, execute this command to be sure:

pip list

We will see either 0 or a couple of them. Or we can run a next command on the Linux system.

which python

And if the displayed path to Python is in our working directory, i.e. Project/.venv so everything is working.

How to create Django project

Install a package called Django.

pip install django

Start a new project called Project1

django-admin startproject Project1

Go to Project1

cd Project1

Accept all migrations.

./manage.py migrate

How to start Django project / testing it

Now you can be able to start start testing(local) server.

./manage.py runserver

If everything is done right, you shall see:

How to create a basic(empty) React app via CLI

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Used termins

Django template ⟶ This is a text document marked up with a special syntax for inserting new code.
Django model ⟶ Is a database manager used in the Django framework. Implemented via classes and inheritance in python.
Django views ⟶ In Django, views are a fundamental component that handle the logic of your web application. They process incoming web requests, interact with models (to retrieve or modify data), and return an HTTP response. In essence, views determine what data gets displayed and how it is presented by associating URLs with Python functions or classes.
Django framework ⟶ Is a high-level, open-source web framework for building web applications using the Python programming language. It follows the model-view-template (MVT) architectural pattern and is designed to facilitate rapid development while promoting clean, pragmatic design.
Django migrations ⟶ Are a way of propagating changes made to your Django models (which represent your database schema) into the actual database schema. They are a core part of Django's ORM (Object-Relational Mapping) system and help you manage the database schema in a versioned and structured manner.
Django middleware ⟶ Is a way to process requests globally before they reach the view or after the view has processed them. Middleware is a framework of hooks into Django's request/response processing and is used for several purposes.