Dependency is the key problem in software development at all scales. If you have Oracle SQL queries scattered throughout the codebase and you decide to switch to PostgreSQL, then you will find out that your code is dependent on Oracle database and you can... (more…)

This tutorial will prepare you for some common questions you'll encounter during your data engineer interview. You'll learn how to answer questions about databases, ETL pipelines, and big data workflows. You'll also take a look at SQL, NoSQL, and Redis us... (more…)

Recently, I had to use Redis for the first time. I heard of it, but never really played with it. But this time I had no choice, and I don’t regret it at all, Redis is awesome. But having a new component means that I had to discover from scratch how to tes... (more…)

Your sync and async code can be identical, but still, can work differently. It is a matter of right abstractions. In this article, I will show how one can write sync code to run async programs in Python. (more…)

💿 Free software that works great, and also happens to be open-source Python. - mahmoud/awesome-python-applications... (more…)