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How to generate ECSDA key pair using SecP256r1 curve in C#

To generate an ECDSA key pair using the SecP256r1 (also known as P-256 or prime256v1) curve in C#, you can use the Bouncy Castle library. Here is an example:

Install the Bouncy Castle...

I'm running into something I've never seen before with EF Core (latest version) under C# (latest version).

I have a DbContext that I add a number of entities to, with each entity participating in a many-to-many relationship.

After making those...

Does someone know how to set the timeout for discovery. The default value is like 10-15s and it seams a bit long...

On witch side does it have to be configured? Service? Client?

Service:

// Add a ServiceDiscoveryBehavior...

I'm developing a simple WCF-based application.

My service is very simple, just 2 endpoints: 1) The service 2) updDiscovery

It works great but I'd toggle on/off the discoverability of my service. I tried to change the Enable parameter but it...

I'm working on a web scraping project, and I'm just trying to retrieve the full HTML of Best Buy products, but I'm not receiving any HTML response. Here's the code.

var url = var httpClient = new HttpClient(); var html =...

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Hi, I downloaded open source to build the packaging version of Unreal Engine.

This error occurs when trying to build.

Error CS1069 Namespace 'System.Security' does not have the format 'XmlSyntaxException'. This...

I have a C# console application that must be run every minute to check data, therefore I use a task scheduler. However, the time available to repeat the task is limited in the Windows 11 task scheduler.

(

The minimum time available for the...

I am working on a small scale game engine and have reached a point where I would like to destroy a Game Object (destroy meaning all references to an object become null). This is important because even if I remove the object from the list of objects...

so I've been working on something for the past few days and currently at the point of implementing the server, but having a little problem finding the correct avenue for getting access to accounts

This is where I need to access Accounts

Inside...

What are the differences between these examples?

//example A public class Product { public string Name { get; set; } = Limited Edition Item } //example B public class Product { public string Name { get; set; } => Limited Edition Item } //example C...

I should consume a rate limited rest service on cloud that allows 120 requests per minute.

I am using dotnet core background application that runs and consume this service on kubernetes multiple pods. So I use a kafka queue to collect requests to...

I have an IEnumerable of an item class defined like this:

class Checkup { public Guid SubjectGuid { get; set; } public Guid DoctorGuid { get; set; } public DateTime Date {get; set;} } For example I have the following data set:

SubjectGuid...

I have very weird issue below is a service which called by controller, it's returning different result without any change on passed parameter or on the data set

so for example in first run it shows me the found result as 15 and not found is 25,...

I just moved to another pc and getting few similar errors to the one shown below. How may i fix it?

On this line of code:

Error:
Severity Code Description Project File Line Suppression State Error MSB4094...

I have these entities in my business:

class Team { public int Id { get; set; } public string Name { get; set; } public List Members { get; set; } } class Member { public int TeamId { get; set; } public int UserId { get; set; } } The business rule...

I the code below I have a TSql query which has Or condition in its join. If I want to convert it to Linq in C# how can I rewrite it.
SELECT P.Id AS ProductId FROM generalinv.InventoryTypeProductTypeMapping AS ITM INNER JOIN master.Product AS P ON...

I am creating a new .NET 6.0 application in Visual Studio 2022. When I run the default HomeController, the application is throwing a runtime exception saying index.cshtml was not found. But in the Views folder, I am able to see that file....

As you all probably know, our step-by-step Debugging efforts can take a sizeable amount of time. It often serves us to take that time while our App is running and 'waiting' for us to eventually hit the 'Continue' button.

Question: Are there...

I've deployed my c#, asp.net 5, mvc 6 app to a windows 2008 server. I've fired up dnx web and it is listening to port 5000 and works fine when accessing from local computer.

How do I get it to listen to non-localhost requests?

P.S. This question...

I have an MVC application -->MyApp, I have a controller --> mycont. When I enter my site as /MyApp/Mycont/index, it goes to the index page as expected. When I type my site as /MyApp/Mycont, I get a 403 access denied message.
Here is my route...

I am working on a small scale game engine and have reached a point where I would like to destroy a Game Object (destroy meaning all references to an object become null). This is important because even if I remove the object from the list of objects...

I am receiving and object from a JS calendar via JSInterop in Blazor. I have a C# interface and class that represents the JS object. A few properties are not being deserialized. In Particular the End Property.

Deserialize like so:

var...

I have a class like this:

public class MyFolderRefresher { public async Task OnRename(RenamedEventArgs e) { // do something } } public class MyDisposableListOfFileSystemWatchers : IDisposable { private List _mWatchers; private MyFolderRefresher...

We have a C# library for multiple platforms and we are looking for a way to detect that it is a Unity application at runtime.

I have seen most approaches are focused on compilation directives, but that won't help because we are generating only one...

I'm a newbie at unity, I have some error when I want to build my file. I've some error with graddle.

I check console :

1. Starting a Gradle Daemon, 1 incompatible and 2 stopped Daemons could not be reused, use --status for details > Configure...