This repository contains a curated set of hands-on PySpark tutorials designed to help data engineers, data scientists, and analysts get comfortable with PySpark through bite-sized, practical tutorials ...

It’s time for Chakwera to shut up and reflect on his own record. During his five-year tenure, Chakwera’s administration was marked by a string of politically motivated arrests, targeting critics, ...

This repository contains a complete, instructor‑ready, 2‑week curriculum for learning Git and GitHub. The materials are modular: daily lessons, short exercises, rubrics, and two weekly projects to ...

Learn the benefits and risks of options and how to start trading options Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Samantha (Sam) Silberstein, CFP®, CSLP®, ...