Tutorial

Understanding data structures can be challenging when they’re presented as abstract concepts. Let’s make them tangible by exploring them through something we all know: a coffee shop. From the order queue to delivery routes, every aspect of running a coffee shop mirrors fundamental computer science concepts. In this comprehensive guide, we’ll explore 25+ data structures through the lens of coffee shop operations, complete with visualizations and Go implementations. Part 1: The Basics Revisited The Order Line - Queue Every morning at the coffee shop, customers line up in order. First in, first out (FIFO). The person who arrives first gets served first. This is a queue. ...

If you’re new to real-time web applications and want to understand the fundamentals before diving into event-driven microservices, this tutorial is for you. We’ll build a simple but fully functional note-sharing app using WebSockets, Go, and Vue.js-perfect for learning the basics. Why Start Simple? Before jumping into NATS, Kafka, or complex event-driven architectures, it’s crucial to understand: How WebSocket connections work Real-time bi-directional communication Broadcasting messages to multiple clients State management in real-time apps This tutorial gives you that foundation with minimal dependencies and straightforward code. ...