Dynamically ignore property on sealed class when serializing JSON with System.Text.Json

### Question Can I dynamically ignore a property from a sealed class using [System.Text.Json.JsonSerializer](https://learn.microsoft.com/en-us/dotnet/api/system.text.json.jsonserializer)? ### Exam...

How can I open a new window without using JS

In blazor i use `NavigationManager.NavigateTo(url)`in order to change window location, but how can I use it to open a new tab with a specified URL without having to invoke JS on `OnAfterRenderAsync()`...

7 Jul at 07:7

Could not load file or assembly System.Runtime.CompilerServices.Unsafe

I created a Visual Studio (Community 2019) project with C# using `ServiceStack.Redis`. Since it is C#, I use Windows 10 (there is a Redis version for Windows but it is really old and as I know, it is ...

I get an error when I add migration using Entity Framework Core

I built a console project and use code first to map model to database. When I run the command of `Add-Migration InitialMigration`, I get an error: > Method 'Create' in type 'Microsoft.EntityFrameworkC...

6 Jul at 20:3

How to archive or delete Redis log file

I am using Redis open source from redis.io. I have configured my redis.conf file and set the as "" from default setting "". This helps in reducing the logfile size. My log file is growing in size and...

How can I run offline database usage in Blazor WebAssembly-PWA?

I have a `Blazor WebAssembly ASP.NET Core hosted - PWA` application and want to run it offline. The database is currently built with SQLite and EF-Core. Is it possible to add offline functionality? I ...

How can I use/inject a service in a "normal" c# class like in Blazor @inject ClassName classObject

I have a Blazor Project, in the Program.cs(formaly aka Startup.cs) I added a service I can use/access that service on a razor/blazor page like this : @inject Models.UserVisit userVisitObj Use...

6 May at 20:28

ServiceStack AutoQuery Is Null for Asp.Net.Core and NullReferenceException thrown at CreateQuery

I've done the Plugins.Add(new AutoQueryFeature { MaxLimit = 100 }); and used it in startup Configure Method. [](https://i.stack.imgur.com/q5fN2.png) [](https://i.stack.imgur.com/WQATQ.png) This is dto...

Server Error in '/' Application. when deployed ServiceStack to Virtual Folder

I'm trying to deploy a ServiceStack API to IIS7 in a Virtual Directory but I'm getting this error [enter image description here](https://i.stack.imgur.com/u9rjg.png) [](https://i.stack.imgur.com/ItVF...

15 Jul at 07:44

The performance penalties for types/constraints in Raku?

In contrast with Perl 5, Raku introduced gradual typing. The landscape of gradually typed object-oriented languages is rich and includes: Typed Racket, C#, StrongScript, Reticulated Python. It's said ...

3 Jul at 14:6

In C#, why does type inference on new expressions result in nullable references?

If I have the C# 8 code: And later: Then the type of `bar` is `Foo?`. This seems clearly incorrect, as a `new` expression can't return `null`. Why would `bar` be a nullable reference? I even looked up...

6 May at 20:29

Usage of ConfigureAwait in .NET

I've read about ConfigureAwait in various places (including SO questions), and here are my conclusions: - - - `.ConfigureAwait(true)` My questions are: 1. Are my conclusions correct? 2. When does Con...

Increase upload file size in Asp.Net core v3.1

I'm trying to upload multiple files in my .NET Core v3.1 Blazor application, but I can't get passed the 30MB limit. Searching for this I found [Increase upload file size in Asp.Net core](https://stack...

Android Support plugin for IntelliJ IDEA (or Android Studio) cannot open this project

I've tried to run Android Studio project from github but I've got this message: ``` This version of the Android Support plugin for IntelliJ IDEA (or Android Studio) cannot open this project, please re...

1 Jul at 14:10

Why does C# null-conditional operator not work with Unity serializable variables?

I've noticed that if I have some variables exposed to the Unity inspector such as: ``` [SerializeField] GameObject _tickIcon; ``` If I leave them unassigned and try to use the null conditional operat...

1 Jul at 13:41

Error: write EPROTO 34557064:error:100000f7:SSL routines:OPENSSL_internal:WRONG_VERSION_NUMBER

``` Error: write EPROTO 34557064:error:100000f7:SSL routines:OPENSSL_internal:WRONG_VERSION_NUMBER:../../third_party/boringssl/src/ssl/tls_record.cc:242: ``` The issue was that I was trying to POST t...

18 Jul at 13:49

ConvergenceWarning: lbfgs failed to converge (status=1): STOP: TOTAL NO. of ITERATIONS REACHED LIMIT

I have a dataset consisting of both numeric and categorical data and I want to predict adverse outcomes for patients based on their medical characteristics. I defined a prediction pipeline for my data...

ServiceStack Proxy Feature code optimization

I'm tasked with creating a proxy for an internal system. The proxy needs to add a Basic authentication header to each request as well as log it and the response. I'm using ServiceStack's Proxy Feature...

7 Jan at 15:9

How can I deal with this Git warning? "Pulling without specifying how to reconcile divergent branches is discouraged"

After a `git pull origin master`, I get the following message: ``` warning: Pulling without specifying how to reconcile divergent branches is discouraged. You can squelch this message by running one o...

22 Sep at 18:10

Invariant Violation: "main" has not been registered

New to React Native: I started a brand new project with Expo init and then I followed the instructions mentioned inhttps://reactnavigation.org/docs/hello-react-navigation I run the project with expo ...

Testing C# 9.0 in VS2019 - CS0518 IsExternalInit is not defined or imported ... How do I define/import it?

: .NET 5.0 is out now, but the solution below is still required if you're targetting .NET Standard 2.1 --- C# 9.0 is still under development. There are a couple references which lead me to believe...

29 Nov at 17:24

ASP.NET Core 3.0 Identity Server 4 (4.0.0) SecurityTokenInvalidAudienceException: IDX10214: Audience validation failed. Audiences: 'empty'

I keep getting the following error between postman and IdentityServer 4 ``` Microsoft.IdentityModel.Tokens.SecurityTokenInvalidAudienceException: IDX10214: Audience validation failed. Audiences: 'empt...

28 May at 20:18

How to enable nginx reverse proxy to work with gRPC in .Net core?

I am running into a problem where I am unable to get nginx to work properly with gRPC. I am using .Net core 3.1 to server an API that supports both REST and gRPC. I am using below docker images: - - ...

6 Jul at 20:17

"Analyzer with Code Fix" project template is broken

How to setup a roslyn code analyzer project with a unit-test project in Visual Studio 2019 v16.6.2? A few months (and a few Visual Studio updates) ago I experimented with setting up a code analyzer ...

What is a method that's inside another method called?

What type of method is `String dgvValue(int cell)` in the below code? ``` private void btnEdit_Click(object sender, EventArgs e) { if (dgvGuestList.SelectedRows.Count > 0) { String dgv...

29 Jun at 07:39