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Complete Beginner's Guide to C# Types: Class vs Record vs Struct + Pattern Matching

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If you're new to C# programming, you've probably wondered: "When should I use a class, record, or struct?" This comprehensive guide will explain everything you need to know about these three fundamental types in C#, plus show you the amazing world of pattern matching with switch statements. What Are These Types Anyway? Think of C# types as different containers for your data and behavior: Class : Like a blueprint for complex objects (houses, cars, people) Record : Like a form with pre-filled information (student records, invoices) Struct : Like a simple container for basic data (coordinates, colors) Understanding the Basics What is a Class? A class is a reference type that lives on the heap. It's perfect for complex objects that need to change over time and can inherit from other classes. public class Person { public string FirstName { get; set; } public string LastName { get; set; } public int Age { get; set; } public Person(...
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What is the Actor Model? A Complete Guide for C# Developers

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Originally published on Dev-Tinker | Reading time: 8 minutes | Part 1 of 16 in the Complete Akka.NET Series Why Your Multi-Threaded C# Applications Crash Picture this: You're building a high-traffic e-commerce application in C#. Multiple users are simultaneously updating their shopping carts, processing payments, and checking inventory. You've carefully implemented locks, used ConcurrentDictionary , and sprinkled async/await throughout your code. Yet somehow, your application still experiences mysterious deadlocks during peak traffic, race conditions that corrupt data, and threading bugs that only appear in production. Sound familiar? You're not alone. Traditional multi-threaded programming is inherently complex and error-prone , even for experienced developers. But what if I told you there's a fundamentally different approach that eliminates these problems entirely? Welcome to the Actor Model – a mathematical model of concurrent computation that's been qu...
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Building a Microservices Order Processing System with RabbitMQ and .NET 9.0

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Building a Microservices Order Processing System with RabbitMQ and .NET 9.0 Introduction In today's fast-paced e-commerce world, building scalable and resilient systems is crucial. This comprehensive tutorial will guide you through creating a complete microservices-based order processing system using .NET 9.0 and RabbitMQ. We'll explore various messaging patterns, error handling, and best practices for building event-driven architectures. This project serves as an excellent learning resource for developers looking to understand: Microservices communication patterns RabbitMQ exchange types and routing Asynchronous programming in .NET Error handling and dead letter queues Scalable system design Project Overview Our order processing system simulates a complete e-commerce fulfillment workflow. When a customer places an order, it flows through multiple services: Order Creation → OrderService publishes the order Inventory Check → In...
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