Category "c++sharp"

What is a NullReferenceException, and how do I fix it?

I have some code and when it executes, it throws a NullReferenceException, saying: Object reference not set to an instance of an object.

How can I match this pattern (characters a-z, numbers ) between two brackets?

I have this code , and I would like to match this pattern: All characters a-z , A-Z between two "" . The variables should be between square brackets. How can I

How to connect acs Acr1255u-j1 to xamarin forms

I am doing a project with the acr1255u-j1 and Xamarin forms , but I can't figure how to connect the device to the application . Any help would be appreciated

Why my program is not executing beyond await UploadAsync?

I am trying to upload a file through stream to azure file share. This is my function : public static async Task UploadFile(string shareName, Stream content, str

.NET API rejecting requests based on CORS even when configuration setup

I am trying to send a get request to a .NET API from a VueJS front end. I am getting the following error: Cross-Origin Request Blocked: The Same Origin Policy d

Cannot parse the data from CSV file if there is an enter key pressed between two words in same cell

I am trying to parse the csv file using the following code string[] EachColumnData = null; EachColumnData = line.Replace("\",\"", "|").Replace(",,", "||").Repl

How do I check if a tree object is really close to another in unity?

I have been making a survival game in unity and I have generated the trees with the below function The GenerateTree function void GenerateTree(int x, int y)

Queuing async tasks and passing back result to caller

In my app I have a single Client class responsible to do communication via TCP/IP and I have several async Processes posting "work" to the Client class. What I

dotnet restore in Github Actions gives 401 unauthorized

a NET6 project on Github cannot be dotnet-restored in Github Actions. dotnet restore works fine locally. Looking at the Action logs, it seems GH looks for Micro

C# Image 0,0 start point is not top left for all images

I have a folder with images and I want to draw a rectangle from the top left corner This is the code I am using: Image image = Image.FromFile(path +

Invalid Key Length in NodeJS, but Valid Key Length in C#

I'm converting Rijndael decryption from C# to NodeJS. The Key (or Passphrase) used is 13 characters long. The IV used is 17 characters long. Note: I have no con

ConcurrentDictionary performance

I am struggling with this problem and would really appreciate any help. I'm working on an existing project. I have added logic that counts values combinations,

IdentityServer 3 returns invalid_client when trying to authenticate with Blazor

I have an old IdentityServer 3 implementation and I'm trying not to change it to a newer version, I have been trying to authenticate a Blazor wasm application w

Calculating room length issue

I want to get the length and width values of a room within Revit but it appears that Revit does not give access to these values like it does with room perimeter

Can't resolve symbol "FirstOrDefaultAsync" in .Net Core Web API

I'm building a .Net Core Web API and in one of the files the FirstOrDefaultAsync() method just doesn't work although I'm using it in various files in the same p

How to detect whether the Mouse Hovers above a drawn line in C#

I have a panel on a form. On this panel there are drawn a few lines. I would like to know how to detect when the Mouse is above one of the lines and get the det

Xamarin Binding error: java.lang.NoSuchMethodError: No virtual method build()Lcom/google/android/exoplayer2/DefaultLoadControl

I have created a Binding Library for Triton Digital Mobile SDK and integrated it on my Xamarin.Android project. I have added this code to my project to test the

Add one object in list nested entity in EF Core

I create a repository layer in my app. I don't need all list EntityList. I want add in Foo.EntityList 1 object which equals entityId, and return foo in notImpor

Copy common properties between objects in c#

Given this scenario: internal class FullLogin { public string username { get; set; } public string password { get; set; } public str

Change request Content-Type to allow invalid/unsupported request Content-Types

A client is currently sending our ASP.NET 4.x/Core REST APIs the correct request payload but invalid request Content-Type which is resulting in 415 status codes