How to mock UserManager in .Net Core testing?

I have following code. Im trying to running a test case for create user.Following is what i have tried so far. ``` public class CreateUserCommandHandlerTest { private Mock<UserManager<Applicatio...

Multiple versions of .NET on the same server

So I've always known it's okay to run multiple versions of the .NET framework on a single computer (client or server alike). [This question](https://stackoverflow.com/questions/407306/running-many-ver...

React : difference between <Route exact path="/" /> and <Route path="/" />

Can someone explain the difference between ``` <Route exact path="/" component={Home} /> ``` and ``` <Route path="/" component={Home} /> ``` I don't know the meaning of `exact`.

Function host is not running

I have a Function App in azure and when I hit the URL of the function app it says "Function host is not running." I am not sure where I have to check and what needs to be changed. I tried restart but ...

Set value of one Pandas column based on value in another column

I need to set the value of one column based on the value of another in a Pandas dataframe. This is the logic: ``` if df['c1'] == 'Value': df['c2'] = 10 else: df['c2'] = df['c3'] ``` I am unab...

Change C# language version to 7.2 in vs-code on Linux

I read that `.NET Core 2.0` SDK support `C# 7.2` by default but the features of `C# 7.1` and `7.2` are disabled and we have to enable them. I install both SDK and C# extension for vs-code, but when I ...

7 Mar at 18:58

Connect to Oracle database in dotnet mvc application

Oracle released a beta version [driver ODP for dotnet core 2](http://www.oracle.com/technetwork/topics/dotnet/downloads/odpnetcorebeta-4077982.html)(Finally!). But I can't make it work. Does anybody d...

7 Mar at 18:47

did you register the component correctly? For recursive components, make sure to provide the "name" option

I configured `'i-tab-pane': Tabpane` but report error,the code is bellow: ``` <template> <div class="page-common"> <i-tabs> <i-tab-pane label="wx"> content </i-tab-pane> ...

3 Oct at 01:18

Setting column order for CSVHelper

I am using CSVMapper to output the objects within a dictionary: ``` using (TextWriter writer = new StreamWriter($"somefile.csv")) { var csvDP = new CsvWriter(writer); ...

7 Mar at 12:57

Client certificate not getting added to the request (Certificate Verify)

I'm trying to do a simple `GET` request to an external production server with a client certificate. They have added our certificate to their server, and I have successfully made requests through Postm...

GenerateEmailConfirmationTokenAsync default expiration timespan

What is default expiration timespan of GenerateEmailConfirmationTokenAsync? and what kind of errors should I get from ConfirmEmailAsync? For ConfirmEmailAsync got Invalid token error. is there any ot...

Wire up MiniProfiler to ASP.NET Core Web API Swagger

I found only [this manual](http://www.lambdatwist.com/webapi-profiling-with-miniprofiler-swagger/) describing how to make MiniProfiler work with ASP.NET Web API and Swagger UI, but I didn't find any m...

What is the point of the in modifier for classes

C# 7.2 introduces the `in` modifier for parameters which makes perfect sense for structs and in particular for readonly structs. It is also allowed to use it for a reference type ``` void Method(in ...

7 Mar at 11:23

Is Microsoft Sync Framework alive?

According to the MS documentation Sync Framework Toolkit ([https://code.msdn.microsoft.com/Sync-Framework-Toolkit-4dc10f0e](https://code.msdn.microsoft.com/Sync-Framework-Toolkit-4dc10f0e)) is a legac...

How do I validate the DI container in ASP.NET Core?

In my `Startup` class I use the `ConfigureServices(IServiceCollection services)` method to set up my service container, using the built-in DI container from `Microsoft.Extensions.DependencyInjection`....

ServiceStack Razor MinifyHtml

Use the RazorFormat plugin in .netframework, which has a MinifyHtml property. Why does not the .netcore use this plug-in without the MinifyHtml property? in .netframework ``` Plugins.Add(new RazorFo...

7 Mar at 09:50

Add-Migration Value cannot be null. Parameter name: language

I am trying to create a new migration but I get an System.ArgumentNullException saying: ``` System.ArgumentNullException: Value cannot be null. Parameter name: language at Microsoft.EntityFramewo...

Executing a T4 text template in Visual Studio Code

I created a T4 text template (`.tt`) file in Visual Studio Code, but unlike Visual Studio 2017 (or 2015 ,...) it won't generate the output file after saving the `.tt` file. How can I generate the outp...

What is "random-state" in sklearn.model_selection.train_test_split example?

Can someone explain me what `random_state` means in below example? ``` import numpy as np from sklearn.model_selection import train_test_split X, y = np.arange(10).reshape((5, 2)), range(5) X_train,...

Moving from EF6 to EF Core 2.0

I just started moving my MVC5 project with EF6x to MVC Core and EF Core but have a big problem with my entities configuration's. How you can migrate a EF6 Fluent configure to EF core? I need a guide ...

How to remove whitespace from a string in typescript?

In my angular 5 project, with typescript I am using the .trim() function on a string like this, But it is not removing the whitespace and also not giving any error. ``` this.maintabinfo = this.inner...

7 Mar at 11:6

Difference between HttpClient PostAsync and SendAsync

Working on a project where a WPF front end, and trying to get a handle on async calls to `HttpClient` and I've been going around and around trying to get `PostAsync` to work, but it routinely appears ...

22 Aug at 22:6

testing in .net framework

I have created a unit test project targetting .NET Framework 4.6.1. The tests appear in Test Explorer and run fine in Visual Studio 2017. I want to set up a build process, so I want to run the tests ...

VSCode format curly brackets on the same line c#

When using the Format Document command I'd like to change how the code formats. I'm completely new to VSCode and I'm still having trouble navigating the settings, so easy to understand replies would b...

6 Mar at 16:48

How to implement interface with additional parameters/info per implementation

My MVC webapp allows users to add and delete images. The UI calls `ImageService.SaveImage(...)` in my business layer which internally uses a flag that tells the method to save to either Azure or the f...

6 Mar at 15:24