The file modifier restricts a type’s scope and visibility to the file in which it is declared. This is especially useful in situations where you want to avoid name collisions among types – like in the case of generated types using source generators. A quick example: In terms of restrictions we have the following: On…
C# 11 introduces the concept of raw string literals to the language and with that come a set of new features for string interpolation as well. First of all, you can continue to use the interpolation syntax as you know it in combination with raw string literals like this: The output will be: Escaping braces…
Raw string literals are a new format which enables you to include whitespace, new lines, embedded quotes, and other special characters in your string, without requiring escape sequences. How does it work: A quick example: This will output the following: Whitespace before the closing sequence The whitespace before the closing double-quotes controls the whitespace which…
Feature is not available in C# 10.0. Please use language version 11.0 or later. There are two ways to approach this: Language version is greyed out and cannot be modified The Language version cannot be changed from the Properties window of the project. The version is linked to the target .NET framework version of your…
.NET 6 introduced a few new helper methods to deal with throwing exceptions, and one of them is ThrowIfNull. The usage is simple: The method will throw a ArgumentNullException when myParam is null. It will do nothing otherwise. ThrowIfNull can take in two parameters: Note: paramName uses CallerArgumentExpressionAttribute to retrieve the name of your parameter…
This error usually means that there is a mismatch between the AppService Stack and .NET version and your app’s target framework. This can happen when you upgrade your web app, but you do not update the runtime of the App Service. This is a common occurence for ASP.NET MVC and Web API projects going through…
Switch build agent specification to windows-2019.
In order to retrieve an embedded resource in .NET Core, we first need to understand how the resource name is composed. It’s got 3 elements, all joined by dots (.): Let’s take a concrete example. We have a project (assembly) with a root namespace MyApp.Core. Inside our project we’ve got a folder + subfolder like…
Both are code-first technologies targeting developers (as opposed to design-first workflow services). They enable the orchestration and integration of different business applications into a single workflow and provide more control over the performance of your workflow plus the ability to write custom code as part of the business process. Azure WebJobs WebJobs are a part…
Both are design-first technologies, meaning that they provide user interfaces allowing you to draw-out your workflows as opposed to coding them. Other similarities between the two: They both can accept inputs Can run actions Able to control the workflow using conditions Can produce outputs Logic Apps Logic Apps is a service provided by Azure which…
There are two key differences compared to ASP.NET: To get started, add an appsettings.json file in your shared project. Make sure you set it’s Build Action to Embeded Resource. Add some keys + value in the file that we can use for testing. For example: Next, we need to get hold of the resource stream….
In less than 5 minutes. First step is to create your Xamarin Forms projects – start with a blank shell app – and add an additional blank ASP.NET Core project to the solution – we will use it to host our SignalR backend. Once the projects are setup, we begin by implementing the ChatHub which…