C# and SIMD: High and low speedups. What is happening?

I am trying to speed up the intersection code of a (2d) ray tracer that I am writing. I am using C# and the System.Numerics library to bring the speed of SIMD instructions. The problem is that I am g...

9 Sep at 23:21

How to trace all HTTP requests in .net core 2.1 globally?

I want to log all HTTP requests in a dotnet core 2.1 application. Logging should include HTTP headers, body and the host address. I need to bind my logging code globally without changing the existing ...

How to setup event log for .NET Core 3.0 Worker Service

I'm working with the new Worker Service app template with .NET Core 3.0 Preview and am trying to add event logging using the `AddEventLog` method. However, I cannot see any of my logs via the Event Vi...

8 Jul at 20:5

Converting .HEIC to JPEG using imagick in C#

I'm having trouble in converting heic file to jpeg I have already tried searching it online, i can find how to write to a folder but not how to get a byte[] of a converted file so that i can save it ...

8 Jul at 16:46

How do I set up VSCode to put curly braces on a new line in C# and C++ while typing?

I want VS Code to put curly braces on a new line in C# and C++ How it works now ![How it works now](https://media.giphy.com/media/h40eFwZ7GnB4WVrbLg/giphy.gif) How it should look ![How it should loo...

How to use @section scripts in a partial view MVC.Core

In ASP.NET Core MVC it is possible to define a script section for a page like this: @section scripts { alert('hello'); } And if the the layout contains : @RenderSection("Scripts", ...

Cannot invoke an object which is possibly 'undefined'.ts(2722)

I have a button component. I simply pass it just one `onClick` prop out of many optional props I've defined: ``` const Button = (props: ButtonProps) => { const handleClick: React.MouseEventHandler...

30 Apr at 14:2

Net Core: Convert String to TagBuilder

The following code converts a `TagBuilder` to a `String`. What is the opposite? How do I convert reverse, a `String` to a `TagBuilder`? Looking for a solution. [Convert IHtmlContent/TagBuilder to str...

Split async method into two for code analysis?

I have code: ``` public async Task DeleteColorSchemeAsync(ColorScheme colorScheme) { if (colorScheme == null) throw new ArgumentNullException(nameof(colorScheme)); if (colorScheme.Is...

5 Jul at 22:35

Moq - Non-overridable members may not be used in setup / verification expressions

I'm new to Moq. I'm mocking a `PagingOptions` class. Here is how the class looks like: ``` public class PagingOptions { [Range(1, 99999, ErrorMessage = "Offset must be greater than 0.")] ...

26 Jun at 15:42

Unable to start embedded Tomcat org.springframework.context.ApplicationContextException

Started working with spring boot recently. Trying to create a simple login so I can start to migrate my spring mvc project to spring boot. However keep getting the error : > unable to start web serve...

5 Jul at 09:15

How can I randomly add CSS attributes to Blazor component from parent layer as Vue did?

Since I want to design some reusable Blazor components, I hope they could have a feature like this: Suppose I have a custom component "MyComponent", I could add any CSS attribute to it when I am using...

9 Dec at 18:32

I get the message ''could not find the task 'build'" when I try to start my C# code

I am new to C# and am learning using pluralsight I have followed exactly what the tutorials are doing but have ran into a problem that the tutorial does not. I have the simple ''Hello World'' progra...

4 Jul at 19:58

Can C# GC move memory objects

Let's suppose this very basic C# code: ``` var tab = new int[10]; ``` I have read that non fixed variables can be moved in memory by garbage collector. My question is: Is it possible that "tab" ad...

4 Jul at 18:37

Getting AutoQuery pagination to work with left join

In my AutoQuery request I have a left join specified so I can query on properties in the joined table. ``` public class ProductSearchRequest : QueryDb<Book> , ILeftJoin<Book, BookAuthor>, ILeftJo...

4 Jul at 02:20

Compile time error when attempting to upgrade ServiceStack from 4.6.3 to 5.5.0 while Targeting .NET 4.7.2

I have a full framework .NET 4.7.2 (also tried 4.6.1) class library that references `ServiceStack 4.5.8.0`. When attempting to upgrade to `ServiceStack 5.5.0`, I get the following compile-time error:...

4 Jul at 01:17

ASP.NET Core Identity with Windows Authentication

I'm using .NET Core 3.0 Preview6. We have an Intranet application with enabled Windows authentication which means that only valid AD users are allowed to use the application. However, we like to run o...

SerilogFactory don't log my messages but it logs exceptions

I want to use the SerilogFactory, the LogFactory is initialized before initializing the AppHost. This is my startup.cs : ``` public class Startup { public Startup(IConfiguration configuration) ...

3 Jul at 19:56

How to fix: error: '<filename>' does not have a commit checked out fatal: adding files failed when inputting "git add ." in command prompt

I'm trying to add a ruby rails file to my repository in gitlab but it somehow wouldn't allow me to add the file saying that my file does not have commit checked out. I've tried git pull, making the th...

25 Feb at 08:27

Exception thrown from task is swallowed, if thrown after 'await'

I'm writing a background service using .NET's `HostBuilder`. I have a class called `MyService` that implements `BackgroundService` `ExecuteAsync` method, and I encountered some weird behavior there. I...

Cannot find command 'dotnet ef'

I am using .NET Core 2.0 on [Arch Linux](https://en.wikipedia.org/wiki/Arch_Linux) / Visual Studio Code and am trying to get [EF](https://en.wikipedia.org/wiki/Entity_Framework) tools to work, but I k...

Swagger not loading - Failed to load API definition: Fetch error undefined

Trying to setup swagger in conjunction with a web application hosted on IIS express. API is built using ASP Net Core. I have followed the instructions prescribed on the relevant microsoft help page re...

19 Feb at 15:31

ServiceStack.Redis throws PlatformNotSupported Exception from unity exported .apk file

I am using ServiceStack. Redis to access my remote Redis Server. It doesn't throw any exceptions when I run it on my PC(Unity Android Environment). After I export `.apk` file from Unity and run the pr...

Equivalent to UserSettings / ApplicationSettings in WPF for newer .NET versions

What is the prefered way for for WPF applications with [.net-5](/questions/tagged/.net-5) , [.net-6.0](/questions/tagged/.net-6.0), [.net-7.0](/questions/tagged/.net-7.0) or [.net-core](/questions/ta...

27 Feb at 06:47

Additional probing paths for .NET Core 3 migration

Short version of the question: Is there any way in .NET Core 3 to specify a local probing path, using the same rules as the `<probing>` element from app.config? `additionalProbingPaths` does not seem ...

26 Mar at 10:28