Tag: csharp

C# 12 lets you specify default parameter values and params arrays in lambda expressions, just like in methods and local functions.

Learn how to define and use generic attributes in C# 11, including restrictions on type arguments and common error messages.

Learn how the C# 11 file access modifier restricts a type's scope to the file in which it is declared, helping avoid name collisions with source generators.

Learn how to use interpolated raw string literals in C# 11, including escaping braces, multiple $ characters, and conditional operators.

Use C# 11 raw string literals (triple-quote `"""` syntax) to embed whitespace, newlines, and quotes without escape sequences. Rules and examples.

Fix the 'Feature is not available in C# 10.0' error by switching to C# 11 via target framework or LangVersion in your .csproj file.

Use ArgumentNullException.ThrowIfNull in .NET 6+ for concise null checks, or use throw expressions in C# 7+ for older frameworks.

Learn how to retrieve an embedded resource stream in .NET Core by understanding how resource names are composed and using GetManifestResourceStream.

Learn how to use appsettings.json configuration files with Xamarin.Forms by embedding the file as a resource and building an IConfiguration object.

Use ngrok to publicly expose your local SignalR service so mobile clients can connect without network configuration or SSL workarounds.