// journal

engineering
perspectives

in-depth articles on backend architecture, security protocols, and the future of scalable engineering systems.

engineeringMarch 15, 2025

Disabling GIL — Unleashing the True Power of Python

A deep dive into the Global Interpreter Lock (GIL), why it exists, and how Python 3.13's free-threaded build finally enables true parallel execution.

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engineeringApril 25, 2025

Pytest / Unittest: Common Cases in Testing Your Code

A comprehensive checklist for common testing scenarios in Python. Master mocking, parameterization, and exception handling with Pytest and Unittest.

11 min readread

engineeringApril 10, 2025

Mocking & Patching Class and Instance Variables

Master the art of isolation in Python testing. Learn the critical differences between patch and patch.object for mocking class and instance attributes.

7 min readread

engineeringFebruary 20, 2024

Entering the World of Concurrency with Python

A comprehensive guide to Python's concurrency models: Threading, Multiprocessing, and AsyncIO. Understand when and why to use each pattern.

12 min readread

engineeringFebruary 12, 2025

Django REST Framework Filters

Implement powerful, flexible filtering in your Django REST APIs using django-filter. Move beyond manual get_queryset overrides.

6 min readread

engineeringJuly 20, 2022

Dynamic Sorting of REST API Data with DRF

Implement dynamic sorting in your Django REST APIs without writing boilerplate code, using DRF's OrderingFilter.

5 min readread