Alex Oleshkevich

Alex is a full-stack software developer with 15+ years of web development experience. His primary stack is Python, PHP, and JavaScript.

Django app structure that I favor.

2 years ago 1 min read django python

Instead of having all views in one file I separate components by domain and put each in the own python package (represented as a directory). If you are familiar with DDD terminology, then

Business logic in Django and Django REST Framework applications

2 years ago 5 min read django python

TLDR; As a general rule, no view function/class should contain any kind of business logic. By business logic, we mean any code that implements a feature or a story. IntroductionDjango and Django

How to group rows by time in PostgreSQL (and in Django)

2 years ago 2 min read django python sql postgresql tutorial

Sometimes you need to group rows by a time interval, say, one value per minute, or per hour. In this post I will share how you can achieve it with vanilla PostgreSQL and

WebSockets in Django 3.1

2 years ago 8 min read django python websockets

In this post, I will guide you on how to enable WebSockets in your Django application without installing third-party apps. Django has introduced the ASGI interface since version 3.0 and async views