Tutorials and guides by Pedram Badakhchani, Head of eLearning, full-stack developer and AI engineer, and online tutor on the University of London BSc Computer Science. Written for my students and open to everyone: JavaScript, p5.js, Python, Django, databases, Git and web development. New here? Start with my Start here page.
Part 4 - Testing Your API with APITestCase and factory_boy Tested with Django 5.2.19 LTS, Django REST framework 3.18.3, factory_boy 3.3.3 and Python 3.14, on SQLite and PostgreSQL 16, in November 2
From falling boxes to slingshots
Ten sketches, from simple to challenging, written the way larger projects are written
Tested with: uv 0.13.1, Python 3.14.8 and Django 5.2.18 LTS, October 2026. Django 5.2 is the current long-term-support release, with security fixes until April 2028. Looking for my 2021 version with D
Updated October 2026. Removed a stray sentence, corrected the point about global variables and memory, and added an example of var ignoring blocks and a section on module scope. The new examples were
Updated October 2026: the XQuery part has been rewritten. The first version tried to run XQuery with lxml, which can't do that (it supports XSLT 1.0, not XQuery), so that example never worked; it now
Introduction to XML eXtensible Markup Language (XML) is a versatile markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. It
Part 3 - Using Model Serializers with Django Rest Framework Updated October 2026: re-tested with the original versions (Django 4.2, DRF 3.15.1) and with Django 5.2 LTS and DRF 3.18.3 (see the note in
Part 2 - Building RESTful Endpoints from Django Models Updated October 2026: re-tested with the original Django 4.2 versions and with Django 5.2 LTS (see the note and the updated requirements.txt in
