💡​Demo code: https://aka.ms/letslearnmcp-csharp

Let's learn about the Model Context Protocol (MCP), a cutting-edge framework designed to standardize interactions between AI models and client applications. Through this beginner-friendly workshop, we'll introduce…

Should you use the GetService or GetRequiredService methods in the IServiceProvider type to resolve a service with ASP.NET Core dependency injection?

You'll find out the difference between the two and also show you how you can use similar methods to resolve…

We don't call them parameter arrays anymore. Since C# 13, they become parameter collections.

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In this post I look at the C#14 extension members feature. I show how to convert extension methods to the new syntax and how to add new types of extension.

Too often, developers model relationships instead of rules. They overload aggregates, chase object graphs, and end up with performance problems and rigid designs. This video shows how to avoid that by modeling for consistency and behavior, not structure.…

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

Learn how the compiler manages methods with yield return and the role of IEnumerable.

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Observables as small Recawr Sandwiches.

Find out how you can write xUnit tests when testing classes that inject services from ASP.NET Core dependency injection.

Not only will you find out how to mock services, you'll also learn how to create real instances of these services in an xUnit test.
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InfluxDB is a time-series database that is great for storing and querying time-based data. This post shows how to set it up with Docker and access it from a C# application.

Array or list, list or queue... Choosing the right collection should not cause you trouble.

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When to use static factories with domain entities?

Hey everyone, I'm Ardalis (aka Steve Smith), of NimblePros!

In this short video I explain when it makes sense to use static factory methods with your domain entities (in particular, aggregates), and why…

Can you develop a working application by just using AI and without knowing programming?

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Enrol the course *Beginning Object-Oriented Programming with C#* ► https://codinghelmet.com/go/beginning-oop…

Stop writing if (!x) — it’s not just a style nitpick, it’s bad software design. It's why I avoid the ! operator in conditions, why I prefer == false, and how this small readability choice connects to bigger design principles.

We’ll look at:

Boolean blindness…

How do you choose when to declare a type as a class or as a struct in C#?

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Enrol the course *Beginning Object-Oriented Programming with C#* ► https://codinghelmet.com/go/beginning-oop-with-csharp
Join…