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Django

Introduction to Django

What is Django How Django Works Installation and setup Creating Your First Django Project File Structure in Django Project Manage.py file in Django

Configuration in Settings File

Database Configuration No SQL Database Configuration Template Configuration Static Folder Configuration Media Configuration Tailwind Configuration

Apps in Django

Introduction Creating an app Routing app with project Displaying Welcome Message Rendering Template

Manage.py Commands

Help Command RunServer Command Shell Command Flush Command Creating Custom Command

Registration and Authentication - Default User Model

Introduction and Project Setup for User Authentication Routing authentication app with project Creating home page Restricting access to web page Register User Logout User Login User Redirection to Login Page Handling Next in Login

Models in Django

Characteristics of Models Creating a Model Interactive Shell for Model Operations String Representation for Model Generating Dummy Data Retrieving Data From Models Filters in Model Exclude in Models Field Lookups Q expressions Retrieving Single Record Updating A Record Updating Multiple Records Overriding save() method Annotate in Models F expressions Order By in Models Retrieving specific columns Prefetch particular columns alone Custom Methods in Model Data Types in Models One-To-One Relationship One-To-Many Relationship Many-to-Many Relationship Meta Class in Models Unique Parameter Static Method in Models

A basic Notes App

Introduction and Setup Configuring Templates and Static Folder Creating an app Creating Model Adding sample notes Display Notes Adding Note through form Edit Notes Delete a Note Display Bug Update Admin Panel Register Note Model Customize Admin Page Editing Fields in List Downloading Notes as CSV file

Data Types in Models

Data Type Demo App creation Char Field Text Field Integer Field Float Field Decimal Field

College Event Registration Website

CampusConnect Introduction and Setup Configuring settings file for template, static and media files Setting up Tailwind Creating Custom User Model Creating Super User for CampusConnect Registering Custom User Model Search and Filter for User Model Serving Media Files During Development Categorizing Departments Linking Department with HOD Creating Abstract Model for Event Creating Model for Workshop Customizing Admin Page for Workshop Update in Model AbstractEvent Adding Instructor for Workshop Instructor Model Admin Page Adding Poster Field in Abstract Event Providing Access to HOD Access Update for HOD Restricting HOD Access to Particular Department AbstractEvent On Spot Registration Field Creating Workshop Object Creating and Linking Home Page Displaying Workshop on Home Page Styling Home Page Adding Workshop Detail Page Link Workshop Detail Page Workshop Detail Page Styling Workshop Instructor Details Workshop Detail Contact Contact Admin Page Many to Many Field for Contact Displaying Contact on Workshop Detail Page Adding Title for Workshop Detail Page Adding Gallery for Workshop Workshop Gallery Admin Page Displaying Gallery Images on Website Through Context Displaying Gallery Images on Website through template tags Authentication for users User Registration User Registration Submission Logout Functionality For User Login Functionality for User Model For Workshop Registration Workshop Registration Admin Page Register Workshop Function Register Button in Workshop Page Validations Before Workshop Registration Workshop Registration Closed Validaiton User Already Registered for Workshop Validation Workshop Registration Report From Admin Page Export using Library in Django Admin Extending Abstract Event for Hackathons
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No SQL Database Configuration

In addition to relational databases, Django also supports NoSQL databases through third-party packages and adapters. Here are examples of how to configure Django to work with some popular NoSQL databases:

1. MongoDB:

  • MongoDB is a popular document-oriented NoSQL database.

  • Configuration:

    DATABASES = {
    'default': {
        'ENGINE': 'djongo',
        'ENFORCE_SCHEMA': False,
        'NAME': 'mydatabase',
        'HOST': 'localhost',
        'PORT': 27017,
        'USER': 'myuser',
        'PASSWORD': 'mypassword',
        'AUTH_SOURCE': 'admin',    # Optional: specify the authentication database
    }
}

  • Note: In this example, djongo is a Django database connector for MongoDB. You can install it using pip install djongo.

2. Cassandra:

  • Cassandra is a distributed NoSQL database designed for scalability and high availability.

  • Configuration:

    DATABASES = {
    'default': {
        'ENGINE': 'django_cassandra_engine',
        'NAME': 'mykeyspace',
        'TEST_NAME': 'test_keyspace',  # Optional: for testing
        'HOSTS': ['localhost'],       # List of Cassandra hosts
        'OPTIONS': {
            'replication': {
                'class': 'SimpleStrategy',
                'replication_factor': 1,  # Set your desired replication factor
            },
            'connection': {
                'consistency': ConsistencyLevel.LOCAL_ONE,
            },
        },
    }
}

  • Note: In this example, django_cassandra_engine is a Django database engine for Cassandra. Install it using pip install django-cassandra-engine.

3. Redis:

  • Redis is an in-memory data store often used for caching and real-time applications.

  • Configuration:

    DATABASES = {
    'default': {
        'ENGINE': 'django_redis.cache.RedisCache',
        'LOCATION': 'redis://localhost:6379/1',  # Redis server location
        'OPTIONS': {
            'CLIENT_CLASS': 'django_redis.client.DefaultClient',
        },
    }
}

  • Note: In this example, we're using Redis as a cache backend, but you can also configure Django to use Redis as a primary data store.

When working with NoSQL databases in Django, it's important to install the relevant database adapter or engine, as well as any additional packages required for connectivity and data modeling. Additionally, ensure that you have the correct database credentials and configurations for your specific NoSQL database.


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