System.Text.Json Field Serialization in .NET 5 not shown in Swashbuckle API Definition

# Problem I'm using ASP.NET Core with .NET 5 and am using the `System.Text.Json` serializer to serialize types containing fields (like `System.Numerics.Vector3` (X, Y and Z are fields), although an...

NETSDK1135 SupportedOSPlatformVersion 10.0.19041.0 cannot be higher than TargetPlatformVersion 7.0

I am trying to convert a .NET Framework WPF app to .NET 5 I ran [https://github.com/dotnet/try-convert](https://github.com/dotnet/try-convert), and removed some incompatible DLL refs. Now, when I try ...

26 Nov at 21:18

How to deserialize an empty string to a null value for all `Nullable<T>` value types using System.Text.Json?

In .Net Core 3.1 and using `System.Text.Json` library, I'm facing an issue that didn't occur in Newtonsoft library. If I send an empty string in JSON for some properties of type (type in backend) `Dat...

25 Mar at 14:51

Use both AddDbContextFactory() and AddDbContext() extension methods in the same project

I'm trying to use the new `DbContextFactory` pattern discussed in [the DbContext configuration section of the EF Core docs](https://learn.microsoft.com/en-us/ef/core/dbcontext-configuration/#using-a-d...

How to pack a C# 9 source generator and upload it to the Nuget?

I made a C# 9 source code generator, you can find it [here](https://github.com/HamedFathi/MockableStaticGenerator) When I use the whole project inside another solution and reference it as a project it...

25 Nov at 18:10

What is the purpose of the Configure method of IServiceCollection when you can DI settings without it?

I've done this: ``` services.Configure<ApplicationSettings>(_configuration.GetSection("ApplicationSettings")); ``` I assumed that would allow me to inject `ApplicationSettings`, but apparently not. I...

25 Nov at 11:23

Error trying to resolve Service 'System.Boolean' from Adapter 'NetCoreContainerAdapter'

After recently converting to .NET Core I get the following error when trying to authenticate with any of our AuthProviders: I am using ServiceStack.Core 5.9.2 on .NET Core 3.1. ``` at Funq.Container...

24 Nov at 13:4

Failed to solve with frontend Dockerfile

I am pretty new to Docker and am trying to build a Docker image with plain HTML, but I have this error message, saying > failed to solve with frontend dockerfile.v0: failed to read dockerfile: open /v...

25 Sep at 21:35

Xcode error: Failed to prepare device for development

I have updated to Xcode 12.3 beta. device version is 14.2, but Xcode complaining: > Errors were encountered while preparing your device for development. Please check the Devices and Simulators Window....

2 Oct at 19:46

ServiceStack breaks when hosted in AWS API Gateway

Currently experiencing an issue with ServiceStack where it will not run in AWS api gateway past version 5.8 with request logging turned on. If I turn request logging off everything is fine. Fixed as ...

2 Dec at 22:49

error: 'Flutter/Flutter.h' file not found when flutter run on iOS

I don't know why but I can't build or run the App in my new Macbook, I run the same folder on another Mac or my windows computer and runs perfectly. here when I run flutter clean, I have to run pub ge...

Could not find tools.jar. Please check that /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home contains a valid JDK installation

``` FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':react-native-linear-gradient:compileDebugJavaWithJavac'. > Could not find tools.jar. Please check that /Lib...

12 Dec at 14:5

Can (or should) I use IAsyncEnumerable<T> instead of Task<ActionResult<IEnumerable<T>>> in a Web API Controller

I currently have a web API that - fetches a row of data using `FromSqlRaw(...).ToListAsync()` within a repository - returns this data as `Ok(data.ToArray())` as `Task>>` through a controller. Now I am...

Error: Cannot install in Homebrew on ARM processor in Intel default prefix (/usr/local)

I use the latest `Apple M1` chip processor. And I keep getting errors while application installation. say., ``` brew install openjdk@11 ``` ``` Error: Cannot install in Homebrew on ARM processor in I...

C# Blazor WebAssembly: Argument 2: cannot convert from 'void' to 'Microsoft.AspNetCore.Components.EventCallback'

I'm new to blazor C# and trying to make a simple countdown timer website. My website consist of: - - - I'm having a problem in the buttons to set the timer. When i click on it, it won't set the timer...

23 Nov at 05:6

Implementing the Repository Pattern Correctly with EF Core

## NOTE I'm not asking I should use the Repository pattern, I care about the . Injecting persistence-related objects into domain classes is not an option for me: it makes Unit Testing impossible (...

System.Diagnostics.ActivitySource.StartActivity returns null

I haven't find the way to make `activitySource.StartActivity` return non-null activity, which is different comparing to `DiagnosticSource.StartActivity` behavior. Is it expected? Am I'missing somethin...

6 May at 10:33

docker.errors.DockerException: Error while fetching server API version

I want to install this module but there is something wrong when I try the step `docker-compose build ...` I tried to update the Docker version and restart Docker many times. But it didn't work. ``` gi...

8 Feb at 01:48

How to Add Comments to C# 9 Records

C# 9 records have a short form like so: How can I add documentation comments to the properties of the record? Note that this is different to [this](https://stackoverflow.com/questions/64613788/what-is...

6 May at 05:41

Parsing error: Cannot read file '.../tsconfig.json'.eslint

The error `Parsing error: Cannot read file '.../tsconfig.json'.eslint` shows in all `.ts` files in the `src` folder including `index.ts`. I have no idea how to set up configs. The issue just shows a r...

BadHttpRequestException: Reading the request body timed out due to data arriving too slowly. See MinRequestBodyDataRate on ASP.NET core 2.2

I'm using aspnetboilerplate solution developed with ASP.NET core 2.2 . The backend is deployed on azure and it uses the SQL server provided. Sometimes, when the backend has a lot of requests to handle...

Can I use C# 9 records as IOptions?

I have just started playing around with C# 9 and .NET 5.0, specifically the new `record` construct. I find I have a lot of excellent use cases for the shorthand syntax of the record types. One of the ...

20 Nov at 16:16

IFeatureCollection has been disposed error in ServiceStack

We have been using servicestack (5.8.0) on .net core for a while now, but we have recently started getting an which seems to be thrown within servicestack: ``` Could not Set-Cookie 'ss-id': IFeatureCo...

20 Nov at 14:9

ServiceStack.OrmLite Creating table with wrong column definition

I'm using ServiceStack.OrmLite, and when trying to set the default column definition for DateTime, I can’t manage to get the column to be nullable. Everything else sticks, but "NULL" is somehow conver...

Module not found: Can't resolve 'fs' in Next.js application

Unable to identify what's happening in my next.js app. As is a default file system module of nodejs. It is giving the error of . [](https://i.stack.imgur.com/5uh8o.png) [](https://i.stack.imgur.com/8...