How to use System.Configuration.ConfigurationManager in .netstanard library for .net core and .netframework

I am migrating the .netframework 4.7.2 class library to .netstandard 2.0 library. ConfigurationManager is used in the .netframework class library to read the app settings. Any alternative option a...

Intercepting Fluent Validation

We are using fluentvalidation (with service stack) to validate our request DTO's. We have recently extended our framework to accept "PATCH" requests, which means we now have a requirement to apply va...

1 May at 08:2

Why does Visual Studio add "-1937169414" to a generated hash code computation?

If you use Visual Studio's own refactoring menu to add a GetHashCode implementation to a class like this: [](https://i.stack.imgur.com/JavKJ.png) and select the only int property in the class: [](...

30 Apr at 18:31

What's the difference between the Microsoft identity platform and ASP.NET Core Identity?

What's the difference between the [Microsoft identity platform](https://learn.microsoft.com/en-us/azure/active-directory/develop/) and [ASP.NET Core Identity](https://learn.microsoft.com/en-us/aspnet/...

How do I get ServiceStack DLLs (Not from Nuget)?

I'm a subscrption customer but I can't login to ServiceStack forum to ask question because of this message "Your account hasn't been approved yet. You will be notified by email when you are ready to l...

29 Apr at 11:15

Password with special characters in connectionString

I need to connect to my Dynamics CRM 365 on premise instance from an ASP NET application. My problem is that the account for connection has a password like: T,jL4O&vc%t;30 ``` <connectionStrings> ...

28 Apr at 18:7

Put file to URL with Http Utils as multipart form encoded

Is it possible to PUT a file with Http Utils as multipart form encoded? This is what I tried: ``` var response = $"{_baseUrl}{address}".PutBytesToUrl(File.ReadAllBytes(filePath), "image/jpeg", "*/*"...

28 Apr at 09:47

In Unity, when should I use coroutines versus subtracting Time.deltaTime in Update()?

Below is a simple example of the difference I would like to highlight. Using coroutines: ``` public float repeatRate = 5f; void Start() { StartCoroutine("RepeatSomething"); } IEnumerator RepeatS...

27 Apr at 17:13

Dependency Injection in .NET Core inside a class library

How can I inject one class into another inside a .NET Core library project? Where should I configure DI as it is done in StartUp Class ConfigureServices in API project?

when i use ServiceStack.OrmLite.SqlServer Db.Select<TableA> sometimes Result is TableB's rows or TableA's other rows

``` var user = Db.Single<User>(x => x.Id==1); if(user.Id!=1||user.Id==0) {logger.Error($"Incorrect result{user.Id}")} ``` can see any result in Log file. This problem has troubled me for a lon...

27 Apr at 16:22

Get a Value from ActionResult<object> in a ASP.Net Core API Method

I try to get a value from `ActionResult<object>` in an ASP.NET Core API method. The API has a different controller. I try to use a method from controller B in controller A to return the result value...

How to change C# Language Version for all of the projects in my solution in one place?

I have a solution with 20 projects, I want to change the C# version for all of them to C# 7.3 Is there a way that I could change all project's version at one go? I know I can change the from Project...

28 Apr at 20:57

C# 8.0 non-nullable reference types and options pattern

Tl;dr: C# 8.0 introduces [Nullable Reference Types.](https://learn.microsoft.com/en-us/dotnet/csharp/nullable-references) I've found that using nullable reference types with the ASP.Net [Options Pa...

Serilog DI in ASP.NET Core, which ILogger interface to inject?

I've successfully configured Serilog in my ASP.NET Core application, only the DI part remains. Now I have two ILogger interfaces, one is `Serilog.ILogger` the other is `Microsoft.Extensions.Loggi...

ASP.NET Core- How to allow nullable [FromBody] object in controller method?

Let's say I have a simple controller with one POST method that accepts an object from its body. However, the presence of this object should be optional in the HTTP request body. I tried to implement t...

How to suppress Possible Null Reference warnings

I am playing with the nullable types in c# 8 and I found a problem that is bugging me. Suppose I have a method which takes a nullable parameter. When a parameter is null, I want to throw a specific Ex...

C# Convert ReadOnlyMemory<byte> to byte[]

Given [ReadOnlyMemory Struct](https://learn.microsoft.com/en-us/dotnet/api/system.readonlymemory-1?view=netcore-3.1) I want to convert the stream into a string I have the following code: ``` var bod...

19 Jun at 04:42

ERROR: Could not build wheels for scipy which use PEP 517 and cannot be installed directly

I'm trying to install scipy via pip on my 64 bit ARMV8 board. I have already installed openblas which is required by scipy. So, no issues with that. When i gave `pip3 install scipy --trusted-host pypi...

.NET Core 3.1 - Dependency resolution failed for component - AWS Mock Lambda Test Tools

I create a new AWS Lambda .NET Core 3.1 project, then run it using AWS Lambda Test Tools, then I get this page as expected: [](https://i.stack.imgur.com/Usst9.png) However, if I install one of these p...

20 Jun at 09:12

Error CS1503 - Cannot convert from Microsoft.Extensions.Configuration.IConfigurationSection to System.Action<>

I am getting an error: When I am using Configure with Bind(), it is working. ``` var bandConfig = new BandSettings(); Configuration.GetSection("BandSettings").Bind(bandConfig ); ``` But with t...

21 Apr at 20:31

Error message "DevTools failed to load SourceMap: Could not load content for chrome-extension://..."

I'm trying to display an image selected from the local machine and I need the location of that image for a JavaScript function. But I'm unable to get the location. To get the image location, I tried u...

31 Jan at 04:57

Rerun failed .NET unit test from PowerShell script or .NET

The [Visual Studio Test task in Azure Devops](https://learn.microsoft.com/en-us/azure/devops/pipelines/tasks/test/vstest?view=azure-devops) has a really cool feature, the ability to retry the failed u...

How can I exclude a controller from ASP.NET Core 3 Attribute Routing

I am using ASP.NET Core 3.1 for my web API. I have multiple controllers all using attribute-based routing and all is well. We want to be able to toggle one or more controllers with feature flags in ...

20 Apr at 14:20

Could not load file or assembly System.Numeric.Vectors in ML.NET

I created a new console application .net46, install the latest ML and tried a simple LDA. Got the error above. None of the fix that I found on the web seems to work. It is looking for a 4.1.3.0 versio...

15 Dec at 08:50

Missing Assemblies Tab in Reference Manager dialog box

I have the latest Visual Studio Community version 2019. I have been following this awesome free series by Bob Tabor. Sorry about the link to images, but rules are rules I guess, can't add images until...

19 Apr at 22:44