Why would one need this lambda: Function(x) x

I found this line in an old branch and, as I have a lot of respect for the (unreachable) author, I'm trying to make sense of one specific line, more precisely the lambda at the end: ``` container.Regi...

7 Oct at 20:47

Customizing .csproj in Unity enable nullable reference types

Unity3D's 2020.2 release is now supporting C# 8 and nullable reference types. The default way to opt in to this language feature is to put `<Nullable>enable</Nullable>` in your `.csproj` file, but Uni...

6 Oct at 15:57

An error, "failed to solve with frontend dockerfile.v0"

I was trying to build my Docker image for my [Gatsby](https://www.gatsbyjs.com/) application. Whenever I run the command `docker build . -t gatsbyapp`, it gives me an error: ``` failed to solve with f...

IDW10201: Neither scope or roles claim was found in the bearer token

I have a ASP.NET Core 3.1 project like this sample: [Sign-in a user with the Microsoft Identity Platform in a WPF Desktop application and call an ASP.NET Core Web API](https://github.com/Azure-Samples...

How to replace Microsoft.WindowsAzure.Storage with Microsoft.Azure.Storage.Blob

In my asp.net mvc application I am using Microsoft.WindowsAzure.Storage 8.0.1 for uploading/downloading blob to/from an azure cloud container. Now NuGet Package Manager informed me that Microsoft.Wind...

C#: how to detect repeating values in an array and process them in such a way that each repeating value is only processed once?

I wrote this simple program: ``` class Program { static void Main(string[] args) { Console.Write("Number of elements in the array: "); int numberOfElements ...

2 Oct at 21:38

C# calculations differ between const and variable locals?

I was setting up a pop quiz for my colleagues about the Banker's Rounding approach that C# uses in the `Math.Round` function. But while preparing the question in repl.it I got a result that I thought ...

27 Oct at 10:12

Cancellation Token Injection

I'd like to be able to pass cancellation tokens via dependency injection instead of as parameters every time. Is this a thing? We have an asp.net-core 2.1 app, where we pass calls from controllers int...

Use IWebHostEnvironment in Program.cs web host builder in ASP.NET Core 3.1

I have an ASP.NET Core 3.1 application, and I need to access the `IWebHostEnvironment` in the `Program.cs` web host builder. This is what I have right now (`Program.cs`): ``` public class Program { ...

28 Sep at 13:4

What exactly does mean the term "dereferencing" an object?

I'm reading the description of the new feature in C# 8 called nullable reference types. The description discusses so called null-forgiving operator. The example in the description talks about de-refer...

25 Sep at 20:3

ServiceStack Redis (AWS ElastiCache implementation) using .Net core causing error No master found in: redis-cluster-xxxxxxxx:637

I have implemented the following version of ServiceStack .net Core Redis library: ServiceStack.Redis.Core 5.9.2 I am using the library to access a Redis cache I have created to persist values for my A...

ServiceStack ORMLite How to fparse JSON data in Query

I have the following model structure. ``` public class Inforamation { public Guid Id { get; set; } public string Name { get; set; } public InfoMetadata Metadata { get; set; } } public class...

22 Sep at 09:32

Assembly build version at runtime in blazor wasm app

What is the best way to get build version number at runtime in web assembly client-side blazor app? In server side version I was able to use `Assembly.GetEntryAssembly().GetCustomAttribute<AssemblyInf...

21 Sep at 21:2

How to connect Blazor WebAssembly to DataBase

I recently started developing a Blazor WebAssembly app, and now I'm settling on a database connection. All lessons and instructions say that you need to enter information into the Startup.cs file and ...

How to copy/clone records in C# 9?

The [C# 9 records feature specification](https://github.com/dotnet/csharplang/blob/master/proposals/csharp-9.0/records.md) includes the following: > A record type contains two copying members:A constr...

21 Sep at 14:46

How can I turn off "info" logging in browser console from HttpClients in Blazor?

In my Blazor WebAssembly client, I have this appsetting: ``` { "Logging": { "LogLevel": { "Default": "Warning" } } } ``` So why do I still get endless cruft in my when running loca...

18 Sep at 15:45

how to return list<model> in grpc

i want return list of Person model to client in grpc.project is asp.net core person.proto code is : PeopleService.cs code is : and client project call grpc server : This work for one model but when wa...

6 May at 20:27

Bootstrap 5 navbar align items right

How do you align Bootstrap 5 navbar items to the right? In Bootstrap 3 it's `navbar-right`. In Bootstrap 4 it's `ml-auto`. But not work for Bootstrap 5.

6 Jan at 13:40

ServiceStack Secure cookie when HTTPS is terminated on the load balancer

In ServiceStack, the `HostConfig` flag `UseSecureCookies = true` will mark cookies as Secure when transmitted over HTTPS. However, in the real world, it is common to have SSL terminated at the load ba...

17 Sep at 14:21

AppHostBase.Instance has already been set after already working

I have an ASP.Net WEB API using ServiceStack. The API had been previously working but is now throwing the "AppHostBase.The instance has already been set". I haven't changed any code since the last t...

17 Sep at 10:52

ServiceStack and .NET Core AppSettings complex object

I'm using this from the docs ([https://docs.servicestack.net/host-configuration](https://docs.servicestack.net/host-configuration)) to load my `appsettings.json` into ServiceStack: ``` AppSettings = n...

15 Sep at 07:42

allow for deserializing dates as js Date object in JsonServiceClient

definitely related to other questions asked (e.g. [Date support in d.ts for servicestack typescript client](https://stackoverflow.com/questions/44259201/date-support-in-d-ts-for-servicestack-typescrip...

15 Sep at 03:44

await Task.CompletedTask vs return

I'm trying to understand the difference between `await Task.CompletedTask` and `return` but can't seem to find any clearly defined explanation. Why / when would you use this: ``` public async Task Tes...

21 Oct at 20:31

Turn off HttpClient Logging in .net core 3.1

I've created a http client in asp.net core3.1. And injected it in via startup and it works fine. ``` services.AddHttpClient<MyClient>(); ``` However I can't control it's logging output. Been followin...

11 Sep at 18:5

upload file in azure blob storage

I am trying to upload the file that I have stored in MemoryStream using the following code. ``` private static void SaveStream(MemoryStream stream, string fileName) { var blobStora...

11 Sep at 04:53