Dependency Injection - How to resolve a dependency based on the value and not type?

I have one interface and two classes (implemented from that interface) in my application as below: ``` public interface ISMSServiceProvider { NotificationSentResponse Send(SMSMessage sms); } pub...

Home does not contain an export named Home

I was working with `create-react-app` and came across this issue where I get an error: > Home does not contain an export named Home. Here's how I set up my `App.js` file: ``` import React, { Component...

Generate access token with IdentityServer4 without password

I have created ASP.NET Core WebApi protected with IdentityServer4 using ROPC flow (using this example: [https://github.com/robisim74/AngularSPAWebAPI](https://github.com/robisim74/AngularSPAWebAPI)). ...

4 Aug at 22:6

Excel interop prevent showing password dialog

I am writing a program to clean excel files from empty rows and columns, i started from my own question [Fastest method to remove Empty rows and Columns From Excel Files using Interop](https://stackov...

13 Feb at 19:48

Android Room - simple select query - Cannot access database on the main thread

I am trying a sample with [Room Persistence Library](https://developer.android.com/topic/libraries/architecture/room.html). I created an Entity: ``` @Entity public class Agent { @PrimaryKey p...

How to convert FileStreamResult to IFormFile?

I change the size of the image with this code. But this method returns `FileStreamResult`. I want to convert `FileStreamResult` to `IFromFile`. How can I do that? Note: I am using [CoreCompat][1] to c...

4 Jun at 03:42

What is the purpose of the StringSegment class?

In the package lib there is a class `StringSegment` for which the comments indicate that it is: > An optimized representation of a substring. I was unaware of this particular class, until I discove...

15 Nov at 21:22

How do I use Dapper to get the return value of stored proc?

I'm using Dapper in asp.net mvc 4 project .net f/w 4.6.1 using sql server 2016 express ``` <packages> <package id="Dapper" version="1.50.2" targetFramework="net461" /> </packages> ``` I have a st...

Asynchronously commit or rollback a transaction scope

As many knows, `TransactionScope` were forgotten when the `async` `await` pattern was introduced in .Net. They were broken if we were trying to use some `await` call inside a transaction scope. Now t...

17 Mar at 18:51

ASP.NET Core web api action selection based on Accept header

I want to return two different formatted responses for the same feature (a list of entities) based on the accept header of the request, it is for a "json" and a "html" request. Does the asp.net core ...

Load local images in React.js

I have installed React using `create-react-app`. It installed fine, but I am trying to load an image in one of my components (`Header.js`, file path: `src/components/common/Header.js`) but it's not lo...

20 Jun at 09:12

How can I get the height of an element using css only

We have a lot of options to get the height of an element using jQuery and JavaScript. But how can we get the height using CSS only? Suppose, I have a div with dynamic content - so it does not have a...

24 May at 14:56

AssemblyInitialize method doesnt run before tests

I am using MsTest V2 framewrok for my tests. I have Test automation framework (TAF) project and project with tests. Tests project inherited from TAF and contains only tests. In TAF i have a class whic...

4 Jan at 10:13

How to create a new component in Angular 4 using CLI

In angular 2 I use ``` ng g c componentname ``` But It is not supported in Angular 4, so I created it manually, but it shows error that it is not a module.

24 May at 07:17

'Property does not exist on type 'never'

This is similar to [#40796374](https://stackoverflow.com/questions/40796374/property-x-does-not-exist-on-type-never) but that is around types, while I am using interfaces. Given the code below: ``` in...

17 Nov at 22:46

ArrayBuffer to blob conversion

I have a project where I need to display djvu schemas in browser. I found this old [library on Github](https://github.com/lebedkin/minidjvu.js) which, as far as I understood, converts djvu files to b...

24 May at 02:23

Using authentication token in azure sdk fluent

To authenticate with Azure in azure sdk fluent nuget, there is a method that uses client id and secret as below ``` var azureCredentials = new AzureCredentials(new ServicePrincipalLoginInformation ...

Servicestack FallbackRoute not recognizing trailing slash

So, the ServiceStack FallbackRoute in my code is [FallbackRoute("/{Path*}/")], which is the setup that the ServiceStack documentation says will handle every unmatched route. If given a route like exa...

23 May at 22:27

IdentityServer4 - ApiResource and Client, how are they tied together

I am trying to determine how ApiResource and Client are tied together. How do I go about ensuring that someone requesting a token from a Client is requesting it for a particular ApiResource has acces...

23 May at 22:1

TypeError: can't pickle _thread.lock objects

Trying to run two different functions at the same time with shared queue and get an error...how can I run two functions at the same time with a shared queue? This is Python version 3.6 on Windows 7. ...

23 May at 20:39

What is the equivalent package of ORMLite used in case of Xamarin.Android application

In case of Android project ORMLite has been used. I would like to know what is the equivalent package that should be used in case of Xamarin.Android application. From some blogs there is a mention of ...

Kestrel with IIS - libuv.dll missing on run

We're setting up an existing Web API server to serve site(s) alongside an existing API. I have been loosely following [this article](http://miniml.ist/dotnet/how-to-serve-a-static-site-plus-a-web-api-...

WPF App Using new csproj format

I am experimenting with migrating a WPF project, defined using the old csproj format, to the new format under VS 2017. I was able to get most of the way to a successful build using information I foun...

Dictionary is not supported for serialization/deserialization of a dictionary, keys must be strings or objects

I have this method that is returning Dictionary as a JsonResult when I try to deserialize this Dictionary in Ajax I am getting this error: This is my method in MVC: ``` [HttpPost] public JsonResult ...

23 May at 16:33

Set Item Permissions

I now know how to set the permissions of a folder in a library: ``` public void ChangeItemPermissions() { _SharePoint.ClientContext _ClientContext = new _SharePoint.ClientContext("https://share...