2024
In Python, object creation revolves around several important methods and mechanisms. The most commonly used method is __init__, but Python provides other special methods that offer more control over object instantiation and initialization. These methods allow customization for both class-level Read more…
Mixins are a type of class in object-oriented programming (OOP) that provide reusable methods or behaviors to be shared across different classes without requiring full inheritance. They allow developers to add specific functionalities to different classes without cluttering the class Read more…
Yes, you can combine views in Django REST Framework (DRF) using class-based views or function-based views. However, combining views comes with trade-offs regarding code organization, readability, and maintainability. Here’s how and when you might want to combine views: 1. Combining Read more…
he choice between using separate classes for create, delete, and other actions, or combining them into a single function using something like @api_view([‘GET’, ‘PUT’, ‘DELETE’]), depends on a few factors such as code organization, reusability, and the use of Django’s Read more…
source from ChatGBT Window functions in SQL provide a powerful and flexible way to perform calculations across sets of rows related to the current row without collapsing the result set like aggregation functions do. While alternatives (such as joins or Read more…
es, you can use the class name directly (e.g., Student) instead of using cls in class methods, but using cls is generally preferred for a few important reasons. Here’s why: 1. Flexibility with Inheritance: When you use cls in a Read more…
source from ChatGbt gile development is a project management and software development methodology that emphasizes flexibility, collaboration, and customer-centric approaches. It promotes iterative and incremental development, where requirements and solutions evolve through collaboration between cross-functional teams. Agile is designed to Read more…
2024
Using cls in class methods allows you to access class-level methods and variables from the class in which the class method is defined, including any methods or variables inherited from parent classes. However, this only applies to class attributes and Read more…
1. queryset = Note.objects.all(): This is a direct call to retrieve all instances of the Note model from the database. It bypasses any logic defined in the parent class and simply returns every record in the Note table. In this Read more…
In Django Rest Framework (DRF), permission_classes is a list because it allows you to specify multiple permission classes that the view should enforce. The idea is that a request must pass all of the permissions in the list for access Read more…