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// in startup.cs builder.Services.AddHttpClient() .SetHandlerLifetime(TimeSpan.FromMinutes(5)); // usage public class CatalogService : ICatalogService { private readonly HttpClient _httpClient; private readonly string...

I have an application based on Josh Smith's MVVM Demo, with the business logic replaced. The user clicks links that dynamically generate tabs. Each tab has a view and viewmodel. The tab views contain child views one of which contains multiple...

I don't see an error at first sight. The List ids, doesn't take the data.Id value, which I take from @bind.Value=@data.Id. I don't know why. Pleasy any suggestions, I am new to data binding. I print out the list by the last Console... line and I get...

I am working with a C++ dynamic link library from xatlas that exports a function with the following signature: __declspec(dllexport) void xatlasSetPrint(xatlasPrintFunc print, bool verbose);. The xatlasPrintFunc is defined as typedef int...

I am placing a button in another application window using the code from the link below:

unfortunately the button is only visible for 2-3 seconds. then disappears. How can I find the reason. I want the button to be visible until the window in...

I'm working on a two player fighting game, where one player can hit the other player. All hits are marked as a strike or a grab, and when an opponent is hit with a grab I want the opponent to follow the position of the first player for as long as...

i want to transfer data From postgre with context _rentContext to microsoft sql server with context _rentContextSql. In my program first I check if that record exists in _rentContextSql it doesn't add it to the _rentContextSql but in the end, when I...

so. Im trying to generate a pdf file, with a permanent header and footer ( though the footer is dynamic, means xxxx page 1 , xxxx page 2 and so on ).

I have the following code:

static string defaultPageCss = // $ body {{ direction: rtl;...

lately I am working on a case of unwanted redirects on our Azure hosted ASP .NET Core app which uses IIS. We have a problem with request containing two HTTP/HTTPS prefixes. I entered the Failed Request Tracing logs and see this (look at the...

I've created a project App.Data that contains domain objects and a base class that implements IDbContextFactory for creating a DbContext. The code is available here.

Generating the migrations in a seperate assembly works well.

What I would like...

I want to make a non-tiled (without use of tilemaps) open world. I have figured out that scene based system is not really good at open worlds building, so i came up with creating single scene with many square planes. My scripts are automatically...

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 writing a small application in ASP.Net8 where I use AAD authentication so that I can easily manage access through AAD groups:

builder.Services .AddAuthentication(OpenIdConnectDefaults.AuthenticationScheme)...

I have a Winforms app written in C#, which is also used on Linux machines, and it runs fine using Wine. I only have a problem with getting the path to the Desktop when running on Linux (Wine). In the code I'm using...

Blazor has a callback AsyncEventHandler struct that is used for declaring events in a component. Here’s a useful discussion about how to get called by the event.

I’ve found that the method assigned to an AsyncEventHandler can return void or Task....

I have a .NET 8 C# Azure Functions app. It calls a third party vendor API, which returns a very large JSON. Most of the times the following code works, but only sometimes it throws 413 Request Entity Too Large error. When it throws an error in my...

In our Startup.cs’s ConfigureServices method we have the following service registrations:

servicesCollection.AddMemoryCache(); servicesCollection.AddDbContext(ServiceLifetime.Transient); servicesCollection.AddTransient();...

Hello Unity community,

I'm currently facing an issue with my AICarScript in Unity, specifically with the path array being empty. I've implemented a waypoint-following system where the car should follow a path defined by child objects under a...

I try to change the background using C#.Example:

private static extern Int32 SystemParametersInfo(UInt32 uiAction, UInt32 uiParam, String pvParam, UInt32 fWinIni); private static UInt32 SPI_SETDESKWALLPAPER = 20; private static UInt32...

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...