Secure learning journal

engineering
perspectives

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

PythonJuly 17, 2026

Entering into the World of Concurrency with Python

A clear, example-driven walkthrough of threads, processes, multi-threading, multi-processing, asyncio, and the GIL -- and how they all relate to concurrency in Python.

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PythonJuly 17, 2026

Mocking Configuration Files in Python

Why every real project needs a configuration file, how to read one with configparser, and how to properly unit-test it with pytest fixtures and mocks.

10 min readread

PythonJuly 17, 2026

Disabling GIL: Unleashing the True Power of Python

Python 3.13 lets you experimentally disable the Global Interpreter Lock. Here's what the GIL actually does, why it exists, and real before/after multi-threading benchmarks.

12 min readread