Django Developer Interview Questions and Answers

Request/response cycle is the flow of data between client and server in Django. Middlewares are components that process requests and responses.

• Request/response cycle involves a client sending a request to the server, which is processed by the Django framework and a response is sent back to the client.

• Middlewares are components that sit between the client and the view, and can modify the request or response. They can be used for authentication, caching, and other purposes.

• Exam...read more

Map is a built-in function that applies a given function to each item of an iterable. Decorators are functions that modify the behavior of other functions.

• Map function returns a map object which can be converted to a list or tuple.

• Decorators are used to add functionality to an existing function without modifying its source code.

• Example of map function: map(lambda x: x**2, [1, 2, 3]) returns [1, 4, 9].

• Example of decorator: @staticmethod decorator is used to define a static met...read more

Shallow copy creates a new object but does not duplicate nested objects, while deep copy creates a new object with all nested objects duplicated.

• Shallow copy only copies the references of nested objects, not the objects themselves.

• Deep copy creates new copies of all nested objects, resulting in a completely independent copy of the original object.

• In Python, shallow copy can be achieved using the copy() method, while deep copy can be achieved using the deepcopy() method from t...read more

Basic tasks in Django include creating models, views, templates, URLs, and forms.

• Creating models to define database structure

• Creating views to handle user requests and return responses

• Creating templates to generate HTML output

• Defining URLs to map requests to views

• Creating forms to handle user input

dataType refers to the type of data that a variable or object can hold in programming.

• dataType specifies the type of data that can be stored in a variable or object.

• Examples include integer, string, boolean, float, list, dictionary, etc.

• It helps in defining the operations that can be performed on the data.

DRF is a powerful and flexible toolkit for building Web APIs in Django.

• DRF provides a set of tools and functionalities for easily building APIs in Django.

• It includes serializers for converting complex data types to and from native Python data types.

• DRF also includes class-based views for handling HTTP methods like GET, POST, PUT, DELETE.

• Authentication, permissions, and throttling can be easily implemented using DRF.

• DRF supports both function-based and class-based views for cr...read more

Django ORM (Object-Relational Mapping) is a tool that allows developers to interact with a database using Python objects.

• Django ORM translates Python code into SQL queries to interact with the database.

• It provides an easy way to create, read, update, and delete database records.

• Developers can use Django ORM to perform complex database operations without writing raw SQL queries.

• Example: Using Django ORM, you can define models like 'User' or 'Post' and perform operations like u...read more