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Django

Django

Django is a web framework that can be used to develop large-scale web applications with "batteries included" philosophy. Django has tools for taking care of the most common web development tasks, so you can focus on writing your app. Django includes a template language that will save you time and effort, a powerful object-relational mapper, and a fully featured SQL database abstraction layer. Django also includes an authentication system, so you can control who has access to your app.

How to update multiple fields in Django model efficiently?

How to update multiple fields in Django model efficiently?

The TLDR answer: The first answer which you would get when you search django model update on google you would find the .update() Django ORM. While this is great, let us see few points about .update() queryset - * post_save, pre_save signals does not get triggered. While this might

How to use Base Model (Inheritance) in Django?

How to use Base Model (Inheritance) in Django?

The TLDR answer: Once you start creating a serious project in Django you would want to add created_at and updated_at to most of the models. That's when you realise you are not following the Don't Repeat Yourself(DRY) principle by copy-pasting the same field

How to disable delete option in Django admin?

How to disable delete option in Django admin?

The TL;DR answer: You need to add a new method has_delete_permission in the Admin class where you want to disable the delete function. from django.contrib import admin class OrganisationAdmin(admin.ModelAdmin): list_display = ("name", "id", "is_active", "domain_name&

How to add Custom signals dispatch in Django?

How to add Custom signals dispatch in Django?

Django provides a lot of features out of the box and all of them are production ready and battle tested. But one of the most underrated out of the box features which Django provides is Django signals.

How to setup periodic task in Celery, Django?

How to setup periodic task in Celery, Django?

The TLDR answer: If you using celery for years, then you must have got used to the @periodic_task decorator to help you set up any periodic task. But as soon as you update your celery, you get a deprecation warning, or else if you start using the latest version

How to implement pagination in Django queryset using limit and offset?

How to implement pagination in Django queryset using limit and offset?

The TLDR answer: Django utilizes the array slicing syntax of python to implement limit offset. For pagination in Django models, you need to use limit offset. Suppose you have 20 rows in a queryset and you want to access the data in batches of 5. first_five_rows = DBModel.objects.