Category "c++sharp"

ASP.NET Core - Entity Framework Core - Drop Down List - DbContext SaveChanges Issue

I'm new to using EF as well as ASP.NET Core. I'm working on a simple web application and I am getting an error when I go to save a new record. When the DbCont

c# - elsa workflow - child workflow - how to get workflowInstanceId of parent workflow

I have an elsa workflow parent which is calling some child workflows. Every child workflow has some custom activities (based on SendHttpRequest elsa activity).

c# how streamwrite output file and overwrite if file does not exist

namespace shush { public partial class Form1 : Form { private void btnFinish_Click(object sender, EventArgs e) {

Response with cached data, and how to refresh the cache form database, for a api application

Hi could someone guide me in the following problem, there must be tons of guides on this problem but for some reason I can't get google to find a nice how to, t

How to make program (c#, selenium) wait to periodically check if the 'if' condition is met

I intend to increment the counter by 1 when the url changes and return the final count, eg 10 if url changes 10 times. The program has to wait until the user cl

How to use a same Input action to trigger different events when used on different objects in UNITY?

I'm facing a small problem with the unity's New Input system. I'm trying to build a VR game that has floating buttons in the scene. I have used a gaze reticle f

WOPI Token - Secret Key

I'm trying to implement WOPI on my application but im having a hard time to find the secret key to generate a token see below image for the sample code from git

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