Django on Redowan's Reflections

Django on Redowan's Reflections https://rednafi.com/tags/django/ Recent content in Django on Redowan's Reflections Redowan's Reflections https://blob.rednafi.com/static/images/home/cover.png https://rednafi.com/ Hugo -- 0.161.1 en Wed, 18 Mar 2026 00:24:52 +0100 Sorting a Django queryset by a custom sequence of an attribute https://rednafi.com/python/sort-by-a-custom-sequence-in-django/ Tue, 09 May 2023 00:00:00 +0000 https://rednafi.com/python/sort-by-a-custom-sequence-in-django/ Sort Django querysets by custom attribute sequences using Case and When expressions for database-level ordering with SQL CASE statements. Python Django Database Debugging a containerized Django application in Jupyter Notebook https://rednafi.com/python/django-and-jupyter-notebook/ Sat, 14 Jan 2023 00:00:00 +0000 https://rednafi.com/python/django-and-jupyter-notebook/ Connect Jupyter Notebook to Dockerized Django apps using ipykernel and django-extensions for interactive debugging and data exploration. Python Django Docker Manipulating text with query expressions in Django https://rednafi.com/python/manipulate-text-with-django-query-expression/ Sat, 07 Jan 2023 00:00:00 +0000 https://rednafi.com/python/manipulate-text-with-django-query-expression/ Use Django query expressions like Replace, Upper, Lower, Concat, and Substr for efficient database-level text manipulation without fetching data. Python Django Database Faster bulk_update in Django https://rednafi.com/python/faster-bulk-update-in-django/ Wed, 30 Nov 2022 00:00:00 +0000 https://rednafi.com/python/faster-bulk-update-in-django/ Accelerate Django bulk_update operations by 4x using multiprocessing to parallelize database writes across chunked record batches. Python Django Database Save models with update_fields for better performance in Django https://rednafi.com/python/save-with-update-fields-in-django/ Wed, 09 Nov 2022 00:00:00 +0000 https://rednafi.com/python/save-with-update-fields-in-django/ Optimize Django model saves with update_fields parameter to generate leaner SQL queries and improve performance in tight update loops. Python Django TIL Performance Dissecting an outage caused by eager-loading file content https://rednafi.com/python/outage-caused-by-eager-loading-file/ Fri, 14 Oct 2022 00:00:00 +0000 https://rednafi.com/python/outage-caused-by-eager-loading-file/ Learn from a production outage caused by loading large CSV files into memory. Stream process files to prevent OOM errors and crashes. Python Incident Post-mortem Django Performance Bulk operations in Django with process pool https://rednafi.com/python/django-bulk-operation-with-process-pool/ Mon, 27 Jun 2022 00:00:00 +0000 https://rednafi.com/python/django-bulk-operation-with-process-pool/ Speed up Django bulk operations with ProcessPoolExecutor while preserving signals and hooks that bulk_create/bulk_update bypass. Python Django Concurrency Database Return JSON error payload instead of HTML text in DRF https://rednafi.com/python/return-json-error-payload-in-drf/ Wed, 13 Apr 2022 00:00:00 +0000 https://rednafi.com/python/return-json-error-payload-in-drf/ Fix Django REST Framework to return JSON error responses for 403, 404, 500 errors using middleware instead of default HTML pages. Python API Django Uniform error response in Django Rest Framework https://rednafi.com/python/uniform-error-response-in-drf/ Thu, 20 Jan 2022 00:00:00 +0000 https://rednafi.com/python/uniform-error-response-in-drf/ Standardize Django REST Framework error responses using custom exception handlers to match Microsoft's REST API guidelines format. Python Django TIL API