Hi! I’m Marcin. Currently working in the Netherlands (by agency) while building HCK_Labs by night.

This project demonstrates a simple data processing pipeline for order messages using XML, XSLT, Python and SQLite. An order is received in XML format, transformed into a flat CSV file using XSLT, ...

sqlite-db-manager is a robust command-line interface (CLI) application designed to streamline the creation, management, and optimization of SQLite databases. It is tailored for local development ...

This hands-on tutorial will walk you through the entire process of working with CSV/Excel files and conducting exploratory data analysis (EDA) in Python. We’ll use a realistic e-commerce sales dataset ...

A young computer scientist and two colleagues show that searches within data structures called hash tables can be much faster than previously deemed possible. Sometime in the fall of 2021, Andrew ...