A set of resources about several topics in C# and dotnet grouped by topics

dotnet-topics.md

State machine!

• What is a state machine?

Async

• MS Docs - Asynchronous programming
• MS Docs - Asynchronous programming with async and await
• C# Async/Await/Task Explained - Deep Dive
• Correcting Common Async/Await Mistakes in .NET - Brandon Minnick
• There Is No Thread (Advanced)
• MS Docs - Async in depth
• ConfigureAwait FAQ

Returning IEnumerable

• Makes the caller rely on most generic type so it has the flexibility to change to list/array
• Might save memory overhead via lazy loading.
• Dealing with readonly data structure is safer, where it might avoid issues like race condition.
• Enumerables (IEnumerable, IEnumerator) | C# Programming Tutorials Beginners: 17
• Iterator Pattern – Design Patterns

Another lightweight article: https://www.jetbrains.com/help/rider/ReturnTypeCanBeEnumerable.Local.html

using statement and IDisposable

• MS Docs - using statement (C# Reference)
• IDisposable and Finalizers

REST API

• .NET Core 3.1 MVC REST API - Full Course
• MS Docs - ASP.NET Core Middleware
• MS Docs - Get started with Swashbuckle (Swagger) and ASP.NET Core

Security

• Overview of ASP.NET Core authentication