Questions

UWP - No certificate found with the supplied thumbprint

I have a UWP app I work on from two difference devices. After the latest Visual Studio 2019 update I began receiving this error: > No certificate found with the supplied thumbprint: xxxxxxxxxxxxxxxx...

20 Aug at 16:51

ENC1003 C# Changes made in project will not be applied while the application is running

I am getting this incredibly annoying warning for every C# file in my ASP.NET Core project when I debug it after hitting F5: [](https://i.stack.imgur.com/hn52G.png) Because this error appears only d...

How can I get a list of registered middleware in ASP.NET Core?

In ASP.NET Core, you can register new middleware into the request processing pipeline during the `Configure` method of the startup class you're using for your web host builder by using `app.UseMiddlew...

20 Aug at 11:1

How to skip a test case which has Theory attribute not Fact

How to skip a data driven test case for some reason? I can skip a test case with Fact but getting an exception when using skip for parametrized test cases. Exception: Xunit.SkipException: 'Exception...

27 Jun at 16:7

What does the attribute "[ApiExplorerSettings(IgnoreApi = true)]" do?

I'm aware of what attributes in general do, the question is for this specific attribute alone. Sorry for the confusion! I've read the following [question](https://stackoverflow.com/questions/2795172...

20 Aug at 16:49

Build Errors in Visual Studio 2019 inconsistently show up in Error List

I recently updated from Visual Studio 2017 Community Edition to Visual Studio 2019 Community Edition. Now, if I build my solution with errors, they will show up in the build output, but not all of th...

19 Aug at 04:7

ServiceStack.Aws.DynamoDb: Is there async APIs?

[ServiceStack](https://servicestack.net) is a great library, and I'm now considering using it also for working with [AWS DynamoDb](https://aws.amazon.com/dynamodb/). However, the only async APIs I ca...

C# performance profiler shows long pause, unable to determine what it is from the data provided

I am getting an unexpected spike in my C# application when rendering frames. I have been going over it in a profiler and I noticed the following: - [](https://i.stack.imgur.com/q4Qtl.png) - [](h...

18 Aug at 20:40

Blazor Textfield Oninput User Typing Delay

How can I add a delay to an event (OnInput) in Blazor ?For example, if a user is typing in the text field and you want to wait until the user has finished typing. Blazor.Templates::3.0.0-preview8.1940...

Enable CORS for any port on localhost

in asp.net core i can use middleware to enable CORS on certain methods as [described here](https://learn.microsoft.com/en-us/aspnet/core/security/cors?view=aspnetcore-2.2) i want to know if its poss...

17 Aug at 21:6

"The attribute names could not be inferred from bind attribute 'bind-value'" error in Blazor

I've just migrated a Blazor project from Core 3 Preview 6 to Preview 8 and I'm now getting this error: > The attribute names could not be inferred from bind attribute 'bind-value'. Bind attributes ...

20 May at 07:39

ServiceStack how to use MaxLoginAttempts feature

I tried to add the MaxLoginAttempts feature in my ServiceStack project. But it is still allowing login attempts after 5 unsuccessful login attempts. I'm not sure to know what is missing in my code. A...

16 Aug at 16:7

Visual Studio 2019 and AWS: "not a supported code page" when doing a .NET Core 2.1 project

I created a template project for ServiceStack using the answer [here](https://stackoverflow.com/a/57511810/178143), basically creating a .NET Core 2.1 project. When I used the "Publish to AWS Elastic...

How to turn on CircuitOptions.DetailedErrors?

I'm getting this message in the console when running a server-side Blazor app: > Error: There was an unhandled exception on the current circuit, so this circuit will be terminated. For more details...

ServiceStack and AWS: Created a ASP.NET Empty project, but cannot select .NET Core in target framework

I started a ServiceStack ASP.NET Empty project in VS2019, as that was the closest thing I could find to what I wanted. The template is right on, but I want to run it in .NET Core. However, the Target...

Use Windows Forms in a .Net Core Class Library - .NET Core Control Library

I am trying to create a .net core 3 class library that references the .net core 3 version of winform (so this assembly can itself be referenced by a .net core 3 WinForm assembly). A new .net core Win...

1 Dec at 12:33

200 on a token expiry - correct?

I have written an implementation of a JWT based authorizer. If there is no JWT, it works as expected and throws a 401. I have a custom provider which is based off of : ``` AuthProvider, IAuthWithRe...

15 Aug at 12:36

Difference between Threading.Volatile.Read(Int64) and Threading.Interlocked.Read(Int64)?

What is the difference, if any, of the `Read(Int64)` method of the .NET system classes [System.Threading.Volatile](https://learn.microsoft.com/en-us/dotnet/api/system.threading.volatile.read?view=netf...

Why 0/0 is NaN but 0/0.00 isn't

Using `DataTable.Compute`, and have built some cases to test: ``` dt.Compute("0/0", null); //returns NaN when converted to double dt.Compute("0/0.00", null); //results in DivideByZero exception ``` ...

15 Aug at 08:35

TestServer returns 404 not found

I'm using aspnetcore 3.0 preview 7 for my web api project. Currently I'm implementing the integration tests. (To make the tests easier first, I commented out the Authorize attribute on the controllers...

What is the difference between .js and .mjs files?

I have started working on an existing project based on Node.js. I was just trying to understand the flow of execution, where I encountered with some `*.mjs` files. I have searched the web where I foun...

11 Oct at 19:48

What is the differece between a 'Use Case Interactor' and a 'Service' in Clean Architecture?

I don't really understand the difference between a and a in Clean Architecture. Is a domain service just a collection of "Use Case Interactor methods"? I want to implement the clean architecture in...

How to manage separation of concerns when using ServiceStack AutoQuery

I am having some issues with how to organise my AutoQuery code. My project structure currently looks like: ``` /Project /Project.ServiceInterface Service.cs /Project.Logic Manager.cs /Types ...

14 Aug at 04:43

Authorization in ASP .NET Core Razor pages

I am unable to implement policy-based authorization in ASP .NET Core for an action on a razor page. I read through [this comprehensive document on authorization](https://learn.microsoft.com/en-us/asp...

13 Aug at 12:35

Visual studio 2019 go to definition and Intellisense not working

I have noticed a weird issue with Visual Studio 2019 v16.0.1 the IntelliSense about "Using directive is unnecessary" normally grey is missing and type reference suggestion for missing using is not wor...