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Learn how to use GitHub Copilot in C# and Visual Studio to boost productivity. Step-by-step AI coding tutorial with examples. Start coding faster today! If you write C# for a living, GitHub Copilot is the single biggest productivity upgrade you can make in 2026. GitHub Copilot in C# turns plain-English comments into working code, writes your unit tests, explains legacy methods, and autocompletes entire functions before you finish typing. In this tutorial you'll learn exactly how to set up and use GitHub Copilot in C# and Visual Studio, with practical examples, best practices, and the common pitfalls that trip up most developers. Whether you're a beginner searching "how to use GitHub Copilot," an intermediate developer hunting for best practices, or a senior engineer looking for advanced AI coding workflows, this guide has you covered. What Is GitHub Copilot and Why Use It in C#? GitHub Copilot is an AI coding assistant built on large language models that ...

Learn Domain-Driven Design in C# with practical tactical patterns—entities, value objects, aggregates, and repositories. Start writing cleaner code today. Domain-Driven Design in C# is one of the most valuable skills a .NET developer can master when building complex business applications. If your codebase has slowly turned into a tangle of anemic models, service classes thousands of lines long, and business rules scattered across controllers, this tutorial is for you. In this guide we'll walk through the core tactical patterns of domain-driven design in C# —entities, value objects, aggregates, domain events, and repositories—with practical, runnable code examples you can apply today. Whether you're a beginner searching for a DDD tutorial, an intermediate developer looking for best practices, or a senior engineer architecting a new system, the patterns below will help you write code that reflects your business domain instead of fighting against it. What Is Domain-...

Learn how to run LLMs locally with Ollama and C#. Free, private, offline AI with runnable code examples. Start building local AI in C# today. Running large language models used to mean paying per token to OpenAI or Anthropic and sending your data to someone else's servers. Not anymore. With Ollama and C# you can run powerful LLMs locally on your own machine — completely free, fully private, and even offline. In this tutorial you'll learn how to set up Ollama, call it from .NET, stream responses, and build a production-ready local AI service in C#. Whether you're a beginner searching "how to run LLMs locally" or a senior engineer evaluating self-hosted AI for compliance reasons, this guide gives you runnable code and the why behind every decision. Why Run LLMs Locally with Ollama and C#? Before writing code, it's worth understanding why local AI has exploded in popularity among .NET developers in the USA, UK, Canada, and Australia: Zero cost....

Learn ASP.NET Core output caching to dramatically speed up API responses. Complete tutorial with code examples, best practices, and pitfalls. Start now! ASP.NET Core output caching is one of the fastest ways to make a slow API feel instant. If your endpoints repeatedly run the same database queries, serialize the same JSON, or recompute the same expensive results for every request, you are wasting CPU, memory, and money. In this tutorial, you will learn how output caching in ASP.NET Core works, how to configure it in .NET 8 and later, and the best practices and common pitfalls that separate a fast, reliable API from a buggy one that serves stale data. Whether you are a beginner searching for "how to cache API responses in C#", an intermediate developer comparing response caching vs output caching, or a senior engineer tuning cache policies at scale, this guide has you covered with practical, runnable code. What Is ASP.NET Core Output Caching? Output caching stores t...

Learn API versioning in ASP.NET Core with practical examples. Master URL, header & query string strategies plus best practices. Start building versioned APIs now! API versioning in ASP.NET Core is one of those topics every backend developer eventually runs into — usually the moment a mobile app, a third-party partner, or another team starts depending on an endpoint you need to change. Once an API is public, you cannot simply rename a field or remove a property without breaking someone. That is exactly the problem versioning solves. In this complete guide, you will learn the main API versioning strategies, how to implement each one with the official Asp.Versioning libraries, and the best practices that keep your Web API maintainable for years. Whether you are a beginner searching for "how to version an API", an intermediate developer comparing best practices, or a senior architect weighing advanced trade-offs, this tutorial walks through runnable C# examples and ex...

Learn AI-powered code review in C# with practical examples. Integrate AI into your .NET workflow to catch bugs faster. Start automating reviews today! AI code review is rapidly becoming a core part of modern software engineering, and C# developers are no exception. Whether you build ASP.NET Core APIs, Blazor apps, or background services with .NET 9, integrating AI into your code review pipeline helps you catch bugs earlier, enforce best practices automatically, and ship cleaner code faster. In this in-depth tutorial, you'll learn exactly how AI-powered code review works in C#, how to wire it into your development workflow, and the practical patterns that separate a useful AI reviewer from noisy automation. By the end of this guide, you'll have runnable C# examples that call an AI model to analyze code, understand the best practices for production use, and know the common pitfalls to avoid. Let's dive in. What Is AI-Powered Code Review in C#? Traditional code revi...