Julia Holden was in "survival mode" as a new mom when she started her business Sleepy Hat, a baby hat with an eye covering. Now, it brings in $90,000 a month.

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

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 ...

A course for building AI applications with LangChain4j and Azure OpenAI GPT-5.2, from basic chat to AI agents. To quickly start coding, open this project in a GitHub Codespace or your local IDE with ...