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Arghya Saha

Arghya Saha

By profession a coder, who also loves trekking, biking, handstand, running marathons, doing long distance cycling, swimming, in short an outdoor person. "Everything is Impermanent, Be happy" 🙃

When to use update_or_create in Django?

When to use update_or_create in Django?

The TLDR answer: If you have used get_or_create [https://thetldr.tech/how-to-use-get-or-create-in-django/] you must have had the thought of if there is any Django ORM that could update_or_create. Well, Django has the exact implementation which can either update the DB object if present, else it would

How to check Django version?

How to check Django version?

Django has built-in util that gives you the current Django version, get_version which I would suggest you use. But apart from that method, you can use any of the following commands from the python shell, where you have to install Django. >>> import django >>>

How to use get_or_create in Django?

How to use get_or_create in Django?

The TLDR answer This is one of those two query one command ORM methods. It would make a query to the database with the given where clause query and if not found then it will create a new entry in the table using the default values. It returns a tuple

Python top interview questions 2022

Python top interview questions 2022

After working with python for so many years in the industry, I have curated a list of python interview questions for both freshers who are starting their careers and also for experienced developers who are applying for a senior position. I have tried to mark all my questions with relevant

Array vs List in Python

Array vs List in Python

The array is a vector containing homogeneous elements, i.e same data types. All the elements are saved in continuous memory location so it has a better performance to lists in python. One important thing here we have to remember is that while creating an array we have to import

GIT for dummies

GIT for dummies

If you are starting with git it is highly possible to be overwhelmed by all the commands you have to remember to work. I won't be explaining how you can install git and what is the need for git, rather jump into the commands which you need to

What is the difference between blank and null in Django?

What is the difference between blank and null in Django?

null=True would tell the underlying database that this field is allowed to save null. blank=True is applicable in the Django forms layer, i.e. any user is allowed to keep empty this field in Django form or Admin page. blank value is stored in the database.