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Django

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Abhishek answered on January 7, 2021 Popularity 5/10 Helpfulness 6/10

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## Django Basics

### Setting Up a Virtual Environment
- **Create a new virtual environment**:  
  ```bash
  mkvirtualenv env
  ```
- **Activate the virtual environment** (works from any directory):  
  ```bash
  workon env
  ```
  Alternatively, if not using `mkvirtualenv`:
  ```bash
  source env/Scripts/activate  # For Windows
  source env/bin/activate      # For macOS/Linux
  ```
- **Deactivate the virtual environment**:  
  ```bash
  deactivate
  ```

### Starting a Django Project
1. **Start a new Django project**:  
   ```bash
   django-admin startproject project_name
   ```
2. **Navigate to the project directory**:  
   ```bash
   cd project_name
   ```

### Running the Django Development Server
- **Start the server**:  
  ```bash
  python manage.py runserver
  ```
  - Access the app in your browser at:  
    `http://127.0.0.1:8000/`

- **Specify a custom port (e.g., 8080)**:  
  ```bash
  python manage.py runserver 8080
  ```

### Managing Migrations
- **Create migration files for your app**:  
  ```bash
  python manage.py makemigrations
  ```
- **Apply the migrations to the database**:  
  ```bash
  python manage.py migrate
  ```
- **Rollback a migration**:  
  ```bash
  python manage.py migrate app_name migration_name
  ```
  (Example: `python manage.py migrate app_name 0001`)

- **View the current migration status**:  
  ```bash
  python manage.py showmigrations
  ```

### Creating a New App
- **Create an app named `vege`**:  
  ```bash
  python manage.py startapp vege
  ```
- **Register the app in `INSTALLED_APPS`** (found in `settings.py`):  
  ```python
  INSTALLED_APPS = [
      ...,
      'vege',
  ]
  ```

### Admin Panel
- **Create a superuser** (admin user):  
  ```bash
  python manage.py createsuperuser
  ```
  - Provide username, email, and password when prompted.
- Access the admin panel at:  
  `http://127.0.0.1:8000/admin/`

### Database Commands
- **Open the Django database shell**:  
  ```bash
  python manage.py dbshell
  ```
- **Reset the database (delete and recreate migrations)**:
  ```bash
  find . -path "*/migrations/*.py" -not -name "__init__.py" -delete
  find . -path "*/migrations/*.pyc" -delete
  python manage.py makemigrations
  python manage.py migrate
  ```

### Other Useful Commands
- **Run the Django shell**:  
  ```bash
  python manage.py shell
  ```
- **Collect static files** (for production):  
  ```bash
  python manage.py collectstatic
  ```
- **Check for project issues**:  
  ```bash
  python manage.py check
  ```

### Tips
1. Always activate your virtual environment before running Django commands.  
2. Use version control (e.g., Git) to manage your project.  
3. For larger projects, consider using a more robust database like PostgreSQL or MySQL instead of SQLite.

Popularity 5/10 Helpfulness 6/10 Language python

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Tags: django python

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Contributed on Dec 16 2024

Abhishek

0 Answers Avg Quality 2/10

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pip install django # Install Django Packages
django-admin startproject project_name # Create a Project
cd project_name
python manage.py makemigrations # Create new migrations
python manage.py migrate # Apply Migrations
python manage.py createsuperuser # Create User for admin
python manage.py runserver # Start Server

python manage.py startapp sub_module # Create a sub app

Popularity 10/10 Helpfulness 4/10 Language shell

Source: Grepper

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Contributed on Jan 07 2021

HighKage

0 Answers Avg Quality 2/10

chatgpt

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That looks like the new Terminator movie title.

Popularity 9/10 Helpfulness 3/10 Language javascript

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Tags: html

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Contributed on Jan 13 2023

TopG_demigod

0 Answers Avg Quality 2/10

chatgpt

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// Don't worry, it is not going to replace you.

Popularity 9/10 Helpfulness 3/10 Language whatever

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Contributed on Jan 18 2023

Badie96

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chatGPT

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byebye google

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Contributed on Dec 11 2022

Dark Dotterel

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chatgpt

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Don't worry Grepperions. This will not take our jobs (yet)!

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Contributed on Dec 25 2022

Saf1

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chatgpt

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https://chat.openai.com/

Direct Link

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Contributed on Apr 21 2023

Dhananjay Porwal

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chatgpt

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https://chat.openai.com/chat

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Contributed on Mar 04 2023

Easy Eagle

0 Answers Avg Quality 2/10

chatgpt

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ChatGPT direct link

https://chat.openai.com/chat

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Contributed on Mar 31 2023

pryntik

0 Answers Avg Quality 2/10

chatgpt

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Start building with ChatGPT (OpenAI)

git clone https://github.com/openai/openai-quickstart-node.git
npm install
npm run dev

Popularity 7/10 Helpfulness 2/10 Language shell

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Contributed on Jan 27 2023

devasghar

0 Answers Avg Quality 2/10

Django

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