NetFramework app referencing NetFramework library in same solution referencing NetStandard library in another soln.: could not load file or assembly

There are many similar questions about problems referencing a .NET Standard class library from a .NET Framework project where a NuGet package dependency in the netstandard library doesn't flow to the ...

Nullable reference types with generic return type

I'm playing around a bit with the new C# 8 nullable reference types feature, and while refactoring my code I came upon this (simplified) method: ``` public T Get<T>(string key) { var wrapper = cac...

ServiceStack: Having several independent/different services on one AppHost with different base paths

I have read [one other post](https://stackoverflow.com/questions/17358885/can-i-host-different-servicestack-services-at-different-urls) that I think asks almost the same question, but I think I need t...

24 May at 16:16

Creating a C# Amazon SQS Client in ServiceStack

There is [some documentation](https://docs.servicestack.net/amazon-sqs-mq) on using Amazon SQS as an MQ Server forServiceStack [Messaging API](https://docs.servicestack.net/messaging) But the message...

8 Feb at 01:53

Is there a way to increase the stack size in c#?

I'm coming back to programming after having done none for several years, and created a Sudoku game to get my feet wet again. I've written a recursive function to brute-force a solution, and it will do...

How to fix 'The project you were looking for could not be found' when using git clone

I am trying to clone a project from gitlab to my local machine. I have been granted rights as a developer, and use the command 'git clone - The error message I am getting: ``` remote: The project yo...

7 Apr at 08:6

Unable to resolve service for type 'Microsoft.Extensions.Logging.ILogger`1[WebApplication1.Startup]'

I created an ASP.NET Core 3.0 Web Application with the default template in Visual Studio 2019 Preview 2.2 and tried to inject an ILogger in Startup: ``` namespace WebApplication1 { public class S...

SignalR core - invalidate dead connections

# The problem I'm using .NET Core 2.2 with ASP.NET Core SignalR. Currently I'm saving all connection states in a SQL database (see [this document](https://learn.microsoft.com/en-us/aspnet/signalr/o...

20 Jun at 09:12

Flutter and google_sign_in plugin: PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10: , null)

The dialog (Google form) for the credentials is opened successfully, but after I fill my credentials I'm getting this error. I followed the instructions from [here](https://pub.dartlang.org/packages/g...

ServiceStack caching users roles and permissions approach

With the AuthFeature / AuthUserSession plugin, we can populate the session with a users roles, permissions, etc in the PopulateSessionFilter on each request. ``` Plugins.Add(new AuthFeature(() => new...

6 Feb at 13:40

What is the point of writing REST APIs but in Azure Functions?

I've just started following some Azure Function tutorials and digging into this more so I'm quite New to this and my question may seem very easy but I couldn't find any answer for it yet. What is the...

6 Feb at 10:57

How to solve SocketException: Failed host lookup: 'www.xyz.com' (OS Error: No address associated with hostname, errno = 7)

Whenever I try to do an http call after about 20 seconds I get in the console the following error: ``` E/flutter ( 8274): [ERROR:flutter/shell/common/shell.cc(184)] Dart Error: Unhandled exception: ...

Select only specific fields with Linq (EF core)

I have a `DbContext` where I would like to run a query to return only specific columns, to avoid fetching all the data. The problem is that I would like to specify the column names with a set of strin...

6 Feb at 08:41

SignInManager.PasswordSignInAsync() succeeds, but User.Identity.IsAuthenticated is false

I'm new to ASP.Net Core and trying to create an user authentication system. I'm using ASP.Net Core Identity user management. I have the below code for logging in an user. ``` public async Task<IAct...

Could not connect to redis Instance at hostname:6379 in docker-compose

I am starting a dotnet core app and redis using docker-compose. Redis hostname is set to container name used in the docker network. The redis connection manager in service stack is setup using the con...

Get pointer (IntPtr) from a Span<T> staying in safe mode

I would like to use Span and stackalloc to allocate an array of struct and pass it to an interop call. Is it possible to retrieve a pointer (IntPtr) from the Span without being unsafe ?

5 Feb at 20:42

Cannot be cast to class - they are in unnamed module of loader 'app'

I'm trying to create a bean from sources that were generated by [wsdl2java](https://github.com/nilsmagnus/wsdl2java). Every time I try to run my Spring Boot app, I get the following error: > Caused ...

Checking kubernetes pod CPU and memory

I am trying to see how much memory and CPU is utilized by a kubernetes pod. I ran the following command for this: ``` kubectl top pod podname --namespace=default ``` I am getting the following erro...

5 Feb at 10:16

Automatically bind pascal case c# model from snake case JSON in WebApi

I am trying to bind my PascalCased c# model from snake_cased JSON in WebApi v2 (full framework, not dot net core). Here's my api: ``` public class MyApi : ApiController { [HttpPost] public ...

When to null-check arguments with nullable reference types enabled

Given a function in a program using C# 8.0's nullable reference types feature, should I still be performing null checks on the arguments? ``` void Foo(string s, object o) { if (s == null) throw n...

14 Jul at 03:24

.NET Core console app fails to run on Windows Server

I have a relatively simple .NET Core console app. It has no external dependencies. I build it using the following: dotnet publish -c Release -r win10-x64 It generates a `\bin\Release\netcoreapp2.2\w...

Randomly getting Renci.SshNet.SftpClient.Connect throwing SshConnectionException

I've seen other threads about this error, but I am having this error randomly. Out of 30 connects, 12 got this error. Trying to understand why this is, and what possible solutions are. ``` using (Sf...

26 Aug at 20:45

How do I add color to my svg image in react

I have a list of icons. I want to change the icons colors to white. By default my icons are black. Any suggestions guys? I normally use `'fill: white'` in my css but now that I am doing this in Reac...

4 Feb at 16:35

How can I cast Memory<T> to another

We can cast `Span<T>` and `ReadOnlySpan<T>` to another using [MemoryMarshal.Cast](https://learn.microsoft.com/en-us/dotnet/api/system.runtime.interopservices.memorymarshal.cast) method overloads. Like...

4 Feb at 06:54

How to control which order the EF Core run custom migrations?

I am running an application that uses custom migrations (the auto generated ones don't fit my requirements). I am trying to understand how to control in which order the Entity Framework will run those...

3 Feb at 08:38