Set up environment variables in Django
Django | Set up environment variables in Django 1. Install Django Environ In your terminal, inside the project directory, type: $ pip install django-environ 2. Import environ in settings.py import environ 3. Initialise environ …
Is it possible to call parent class without its instance creation in Python?
Yes, it is possible if the base class is instantiated by other child classes or if the base class is a static method.
What do you mean by the csrf_token?
The csrf_token is used for protection against Cross-Site Request Forgeries. This kind of attack takes place when a malicious website consists of a link, some JavaScript, or a form whose aim is to perform some …
What is the Dogpile effect?
Python | Dogpile effect In case the cache expires, what happens when a client hits a website with multiple requests is what we call the dogpile effect. To avoid this, we can use a semaphore lock. When …
Python check the memory usage of an object
Python | Check the memory usage of an object >>> import sys >>> x = 100 >>> print(sys.getsizeof(x)) 28
What is the difference between Python array and Python list?
Difference between Python array and Python list Array Lists it is used to store only homogeneous data. The list is used to store heterogeneous data it occupies less amount of memory as the array stores …
How do you debug code in python?
Using PDB we debug code in python. Some pdb commands include- <b> — Add breakpoint <c> — Resume execution <s> — Debug step by step <n> — Move to next line <l> — List source code …
Set path and environment variables in Windows 10
Windows | Set path and environment variables in Windows 10 Press the + to access the Power User Task Menu. Now, select the System option. In the About window, click the Advanced system settings link under Related settings from the right side. In the Advanced tab, click the button. In …
What is main function in python? How do you invoke it?
Python | Main Function In the world of programming languages, the main is considered as an entry point of execution for a program. But in python, it is known that the interpreter serially interprets the file …
what’s the difference between a project and an app?
Django | Difference between a project and an app The project covers the entire application, while an app is a module or application within the project that deals with one dedicated requirement. So, a project consists …
Write a code to match a string that has the letter ‘a’ followed by 4 to 6 'b’s.
We can use the python re module to match the string import re def check(txt): # regex pattern pattern = 'ab{4,8}' if re.search(pattern, txt): print('Match found') else: print('Match not found') check("abcbbbb") # Match not found check("aabbbbbc") # …
How to remove whitespaces from a string in Python?
Python | strip() Function | Remove whitespaces from a string To remove the whitespaces and trailing spaces from the string, Python provides a strip([str]) built-in function. This function returns a copy of the string after removing whitespaces …
What is a model in Django?
Django | Model A model is a Python class in Django that is derived from the django.db.models.Model class. A model is used in Django to represent a table in a database. It is used to interact …
“in Python, Functions Are First-class Objects.” What Do You Infer from this?
It means that a function can be treated just like an object. You can assign them to variables and pass them as arguments to other functions. You can even return them from another function. You …
What is pass in Python?
Python | Pass Statement The pass statement is used as a placeholder for future code. It represents a null operation in Python. It is generally used for the purpose of filling up empty blocks of …