predefined type System.Range is not defined or imported

I'm using C# 8.0 (beta) in my UWP app with Visual Studio 2019 v16.0.2. I was trying to use the new range operator of C# 8 : `str[start..index]` and then two errors showed up: > Predefined type `System...

21 May at 14:59

A suitable constructor for type 'RestDataService' could not be located

While running the .Net Core 2.0 API endpoint getting below error. A suitable constructor for type 'RestDataService' could not be located. Ensure the type is concrete and services are registered for a...

11 May at 05:56

System.Reflection.AmbiguousMatchException: 'Ambiguous match found.'

I am trying to get the `MethodInfo` from a method `TableExists<T>` so I can call it with a type. The method is declared inside `OrmLiteSchemaApi` class. There are 2 overloads: ``` public static boo...

10 May at 18:29

Dotnet Core Docker Container Leaks RAM on Linux and causes OOM

I am running Dotnet Core 2.2 in a Linux container in Docker. I've tried many different configuration/environment options - but I keep coming back to the same problem of running out of memory ('docker...

10 May at 15:50

How to make a generic typescript service available throughout a module in angular7?

I would like > _findEpisodeService to be available throughout my app.module. So I need to provide it in the providers array of @NgModule of my app.module. The problem is I'm not sure how to do it. ...

10 May at 12:32

ASP.NET core call async init on singleton service

I have a service that asynchronously reads some content from a file in a method called `InitAsync` ``` public class MyService : IService { private readonly IDependency injectedDependency; pu...

10 May at 13:59

How to authorise React/TypeScript application with ServiceStack and AAD

We're having some trouble authorising our frontend React/Typescript application with our Azure Active Directory/ServiceStack backend. From what we can tell, the problem originates from the frontend an...

Why does "decimal.TryParse()" always return 0 for the input string "-1" in the below code?

The below code should return the -1 decimal value but it's returning 0. Is there something I am doing wrong? ``` decimal validity = -1; validityStr = "-1"; decimal.TryParse(validityStr, NumberStyles...

10 May at 13:4

Conventions on having both an API and MVC project in .NET Core solution

I have an ASP.NET Core (.NET Core 2.2) app structured with the following projects: - API: this is meant to represent a WebAPI (with controllers inheriting `ControllerBase`) - Services: This contains s...

How to set SameSite cookie attribute to explicit None ASP NET Core

Chrome 76 will begin to support an explicit `SameSite: None` attribute [https://web.dev/samesite-cookies-explained/](https://web.dev/samesite-cookies-explained/) I found that the current implementa...

9 May at 20:8

What is the difference between /auth and /authenticate?

Swagger exposes the following endpoints : ![swagger](https://i.imgur.com/9Fz0fVp.png) The payloads look identicle and the documentation : [https://docs.servicestack.net/authentication-and-authoriz...

9 May at 12:2

.Net Core Middleware - Getting Form Data from Request

In a .NET Core Web Application I am using middleware (app.UseMyMiddleware) to add some logging on each request: ``` public void Configure(IApplicationBuilder app, IHostingEnvironment env) { ...

Error Fody: No weavers found. Add the desired weavers via their nuget package

I have already installed Fody in my application several and several times but still this error appears below, could anyone tell me why it happens? I use the latest version of Visual Studio and latest ...

What are the costs and possible side effects of calling BuildServiceProvider() in ConfigureServices()

Sometimes, during service registrations, I need to resolve other (already registered) services from the DI container. With containers like Autofac or DryIoc this was no big deal since you could regist...

ServiceStack in ORMLite how do I make a simple reference to a parent table?

I have 2 tables, the parent table holds definition fields for a history table. I am trying to reference the foreign key of the def table in the history table, but when I run this code, the referenced ...

7 May at 17:36

Email that is automatically parsed by Gmail and adds a Calendar event

I hope this question is OK to ask here, given that it could replace my usage for Google Calendar API I think it should be OK. [https://stackoverflow.com/help/on-topic](https://stackoverflow.com/help/o...

ServiceStack - Email Confirmation

I'm trying to implement email confirmation in ServiceStack. I've spent 5 days trying to make sense of all the authentication mechanism, and I must say it's very complex. The code not easy to read. I ...

Windows Authentication - require additional password for special users

I am developing an intranet asp.net core web api application. The requirements for authentications are: - - - Now, what I have so far: - - I am using claims transformer middlewere in order to chec...

How can I resolve "The argument type 'String' can't be assigned to the parameter type 'int' " - Flutter

I'm trying to fetch data Online Using HTTP GET with Flutter SDK. I'm trying with this code [https://github.com/RaglandCodes/Flutter-basic-API/blob/master/lib/main.dart](https://github.com/RaglandCodes...

12 Feb at 03:1

Is adding AddMvc() Service twice in ConfigureServices() a good practice in Asp.Net Core?

I'm creating a Nuget Package for Asp.Net Core. I want to make it simple to configure. So I decided to give a fluent way approach to add my Nuget to the service collection in `ConfigureServices()` in A...

What is the difference between UseStaticFiles, UseSpaStaticFiles, and UseSpa in ASP.NET Core 2.1?

ASP.NET Core 2.1.1 offers several seemingly related extension methods for appBuilder: - `UseStaticFiles``Microsoft.AspNetCore.StaticFiles`- `UseSpaStaticFiles``Microsoft.AspNetCore.SpaServices.Extensi...

How do I update states `onChange` in an array of object in React Hooks

I have retrieved data stored using `useState` in an array of object, the data was then outputted into form fields. And now I want to be able to update the fields (state) as I type. I have seen example...

16 Feb at 17:46

ASP.NET Core 2.2 WebAPI 405 Method Not Allowed

- - - Run an Integration Test against a controller method in my Web API that uses a `PATCH` verb ``` namespace FluidIT.API.Controllers { [Route("api/v1/[controller]")] [ApiControlle...

4 May at 14:38

ServiceStack replacement for WCF

I currently use a command-line client, that communicates WCF to communicate between a client (over http) and an IIS web server. The WCF request packages is very large (like 10 GB). Can I use service...

3 May at 19:59

Nullable reference types: How to specify "T?" type without constraining to class or struct

I want to create a generic class that has a member of type `T`. `T` may be a class, a nullable class, a struct, or a nullable struct. So basically anything. This is a simplified example that shows my ...