Category: Python

In Django, ForeignKey, ManyToManyField, and OneToOneField are used to define different types of relationships between models (tables in the database). Each of these fields establishes a different kind of relationship based on how the data is structured. 1. ForeignKey (One-to-Many Read more…

Let’s break down the concepts of packages, modules, classes, and how Python’s __init__.py integrates them all. We’ll cover: 1. Folder Structure (Packages and Modules) In Django, when you import django.db.models, you are referring to: Example Folder Structure: Let’s simulate a Read more…

The error you’re encountering stems from how Django’s Note model handles the creation of new Note objects. Specifically, the Note model requires an author field, which is a foreign key referencing the User model. However, when you send a request Read more…

Yes, you can use the with statement to manage resources for any class that implements the __enter__ and __exit__ methods. The with statement is designed to create a context for managing resources, ensuring that certain actions are automatically taken when Read more…

Here’s an example of how you can write a decorator to execute logic before and after the original method: login_execution(function): my_custom_wrapper(*args, **kwargs): Pre-execution logic: Argument modification: Calling the original function: Post-execution logic: In this example, you’re creating a decorator named Read more…