error: RPC failed; curl 92 HTTP/2 stream 0 was not closed cleanly: PROTOCOL_ERROR (err 1)

> error: RPC failed; curl 92 HTTP/2 stream 0 was not closed cleanly: PROTOCOL_ERROR (err 1) I tried 'push' while writing 'git'. However, the following message does not solve the problem. [](https://...

11 Dec at 11:39

Dependency injection: HttpClient or HttpClientFactory?

Everywhere I can see three main approaches to create clients (basic, named, typed) in DI, but I have found nowhere if to inject `IHttpClientFactory` or `HttpClient` (both possible). : What is the di...

How perform a drag (based in X,Y mouse coordinates) on Android using AccessibilityService?

I want know how to perform a drag on android based in X, Y mouse coordinates? consider as two simple examples, the Team Viewer/QuickSupport drawing the "password pattern" on remote smartphone and the ...

GetPathsOfAllDirectoriesAbove() cannot be evaluated after updating .Net Framework version (4.6.2 to 4.7.2)

A project I have been working on was upgraded from .NET Framework 4.6.2 to 4.7.2. On build, in a file that is not my code, I get the following error: [](https://i.stack.imgur.com/oTuXz.png) I also s...

22 Apr at 09:46

EF models. Navigation properties can only participate in a single relationship

I have my entities like this, they are closely linked. ``` public class Game { public int Id { get; set; } public int FirstTeamId { get; set; } public Team FirstTeam { get; set; } p...

Typescript eslint - Missing file extension "ts" import/extensions

I have a simple Node/Express app made with Typescript. And eslint give me the error ``` Missing file extension "ts" for "./lib/env" import/extensions ``` Here is my .eslintrc file ``` { "extends": ...

9 Dec at 19:42

Why I am suddenly getting a "Typed property must not be accessed before initialization" error when introducing properties type hints?

I have updated my class definitions to make use of the newly introduced property type hints, like this: ``` class Foo { private int $id; private ?string $val; private DateTimeInterface $...

Your target project 'x' doesn't match your migrations assembly 'xx'. Either change your target project or change your migrations assembly

.net core 3.0. I have a LibraryProject(SyWaterStandardLibrary), There's a DbContext.When I build new WebProject(WebApplicationTestLibrary) and using LibraryProject. Startup: ``` services.AddDbConte...

Razor Pages vs server-side Blazor

[Razor Pages](https://learn.microsoft.com/en-us/aspnet/core/razor-pages/?view=aspnetcore-3.1&tabs=visual-studio) is used for server side web applications, just like in the good old days. [Blazor](ht...

10 Dec at 10:24

Trouble running C# code in VS Code: Getting scriptcs error

This is my first time using Visual Studio Code and I am trying to run a simple code on it but it is giving me an error that says: > 'scriptcs' is not recognized as an internal or external command, ...

10 Dec at 08:7

The constraint reference 'string' could not be resolved to a type. (netcoreapp3.0)

I have got an error. This is my Startup class. ``` public void ConfigureServices(IServiceCollection services) { services.AddControllers(); } public void Configure(IApplicationBuilder app) { ...

'IServiceCollection' does not contain a definition for 'AddControllers'

I have a ASP.NET Core 3.0 project running fine with the following startup: ``` public void ConfigureServices(IServiceCollection services) { services.AddCors(); services.AddControl...

9 Dec at 20:46

servicestack auth is failing with 502

I upgraded to servicestack from 5.4.1 to 5.6.0 and now my service in azure is locking up and will not allow users to login. If I restart the service it works util some point they receive an error. Af...

12 Dec at 22:30

How to disable "Attempting to reconnect to the server" message on ASP.NET Core producton server

I have an ASP.NET Core 3.1 C# razor pages application that also uses some Blazor-serverside razor components. I have published it to IIS on Windows 2008 R2 Server. But when browsing the site in Chrome...

What does exclamation mark mean before invoking a method in C# 8.0?

I have found a code written in C# seemingly version 8.0. In the code, there is an exclamation mark before invoking a method. What does this part of the code mean, and above all, what are its uses? ``...

7 Dec at 22:14

How to refresh a blazor sub/child component within a main/parent component?

You have a main component and inside the main component you have many sub-components You want to refresh a single subcomponent, rather than the entire screen of the main component, is this possible? ...

C# 8.0 - Can't use default interface implementations

I recently read about C# 8.0 having interface default implementations, so i went into my project and tried it out, but i was met with an error instead. `Target runtime doesn't support default interfac...

6 May at 10:34

Returning a 403 status code in Service Stack

I have a web service using service stack and I'm putting in a blacklist check to stop the processing of requests from a list of the blacklisted IP addresses. How do I return a 403 status code back to...

6 Dec at 12:38

.Net Core 3.0 possible object cycle was detected which is not supported

I have 2 entities that are related as one to many ``` public class Restaurant { public int RestaurantId {get;set;} public string Name {get;set;} public List<Reservation> Reservations {get;se...

"context.Resource as AuthorizationFilterContext" returning null in ASP.NET Core 3.0

I am trying to implement a custom authorization requirement following a tutorial. It seems like `context.Resource` no longer contains `AuthorizationFilterContext` and as a result: ``` var authFilter...

5 Dec at 14:46

HttpClientFactory: Typed HttpClient with additional constructor arguments

With [HttpClientFactory](https://learn.microsoft.com/en-us/aspnet/core/fundamentals/http-requests?view=aspnetcore-3.1#typed-clients) we can configure dependancy injection to create and manage the life...

ImportError: cannot import name 'six' from 'django.utils'

Recently, I upgraded the version of Django framework from `2.0.6` to `3.0` and suddenly after calling `python manage.py shell` command, I got this exception: > ImportError: cannot import name 'six' f...

1 Apr at 12:34

Could not load file or assembly "ChilkatDotNet45.dll" or one of its dependency. ......After deploying in IIS

My asp.net application works fine when run from visual studio, but after deploying in IIS it throws error like : Could not load file or assembly "ChilkatDotNet45.dll" or one of its dependency. An atte...

5 Dec at 10:42

TargetFramework vs. TargetFrameworks (plural)

In the `.csproj` file in my .NET Core projects, there are these 3 lines by default: ``` <PropertyGroup> <TargetFramework>netcoreapp2.2</TargetFramework> </PropertyGroup> ``` Now if I want to targ...

5 Dec at 09:35

How to make ASP.NET Core return XML result?

``` [HttpGet] [HttpPost] public HttpResponseMessage GetXml(string value) { var xml = $"<result><value>{value}</value></result>"; return new HttpResponseMessage { Content = new String...