TokenValidationParameters no longer working after upgrade to 5.0.0

I have the following code which was working when I was using ``` private static void ConfigureAzureAD(IAppBuilder appBuilder) { appBuilder.UseWindowsAzureActiveDirectoryBearerAuthentication( ...

send bold & italic text on telegram bot with html

I've created a bot in telegram I want to send bold and italic text with HTML page to bot My HTML code is: ``` <html> <head><title>Telegram</title></head> <body> <form method="GET" action="https...

async/await throws NullReferenceException how can we diagnose where we messed it up?

we have started using async/await in asp.net application, now we are getting the famous exception in our production > An unhandled exception occurred and the process was terminated.Application ID: /L...

30 Jun at 09:31

What is the original type of interpolated string?

MSDN [docs](https://msdn.microsoft.com/en-us/library/dn961160.aspx) contain the section about implicit conversions: ``` var s = $"hello, {name}"; System.IFormattable s = $"Hello, {name}"; System.Form...

Can’t delete docker image with dependent child images

I am trying ``` docker rmi c565603bc87f ``` Error: > Error response from daemon: conflict: unable to delete c565603bc87f (cannot be forced) - image has dependent child images So i can't delete ...

6 Mar at 20:48

Why System.Array class implements IList but does not provide Add()

This code: ``` int[] myArr = { 1, 2 }; myArr.Add(3); ``` throws the following error on Build: > error CS1061: 'System.Array' does not contain a definition for 'Add' and no extension method 'Add' acce...

27 Jul at 17:49

What is the best way to return different types of ResponseEntity in Spring-Boot (Error Handling for REST with Spring)

I have written simple REST application in `Spring Boot` (`Spring` Framework). It returns `ResponseEntity<Success>` as response in the controller level. But I want to return a completely different re...

Unpredictible behaviour in c# dynamic

I've found a bug (feature?) during learning dynamic in C#. Can anyone explain me, why do I have an exception?? ``` static class Program { public static void Main(string[] args) { dyna...

30 Jun at 05:39

ASP.NET Core configuration for .NET Core console application

ASP.NET Core support a new configuration system as seen here: [https://docs.asp.net/en/latest/fundamentals/configuration.html](https://docs.asp.net/en/latest/fundamentals/configuration.html) Is this ...

Are async console applications supported in .NET Core?

At some point in time the CoreCLR supported async main entry points. See [http://blog.stephencleary.com/2015/03/async-console-apps-on-net-coreclr.html](http://blog.stephencleary.com/2015/03/async-cons...

26 Aug at 16:53

Can't show Image in React Native

I'm using react-native 0.28.0 I'm trying to show an image on iPhone simulator according to this tutorial: [Introduction to React Native: Building iOS Apps with JavaScript | Appcoda](http://www.appcoda...

15 Feb at 12:26

Angular 2+ - Set base href dynamically

We have an enterprise app that uses Angular 2 for the client. Each of our customers has their own unique url, ex: `https://our.app.com/customer-one` and `https://our.app.com/customer-two`. Currently w...

5 May at 00:10

Disable PostgreSQL foreign key checks for migrations

I'm creating a lot of migrations that have foreign keys in PostgreSQL 9.4. This is creating a headache because the tables must all be in the exact order expected by the foreign keys when they are mig...

30 Jun at 01:3

Json.NET deserialize or serialize json string and map properties to different property names defined at runtime

I have the following JSON string: ``` { "values": { "details": { "property1": "94", "property2": "47", "property3": "32", "property4": 1 ...

23 May at 11:51

How create a QueryExpression with null field in PocoDynamo

I want query over GSI when a range key is null. I have this code, but it thrown a exception ``` IPocoDynamo dbDynamo = new PocoDynamo(new AmazonDynamoDBClient()); var queryExpression = dbDynamo.FromQ...

Capture screenshot of fullscreen DX11 program using SharpDX and EasyHook

Before anybody mentions it, I refered to [this](http://www.codeproject.com/Articles/274461/Very-fast-screen-capture-using-DirectX-in-Csharp) link to find out how I needed to copy the backbuffer to a b...

23 May at 12:16

Automapper:Converting JSON to list of objects

Source Object (JSON, using JSON.NET if it matters): Destination Object (C#): Automapper config and mappings: Everything works except for the SaaCodes conversion, where Automapper converts each entry i...

23 May at 12:34

How to return html page from WebApi action?

I'm looking for a WebApi example where the default route will return a given html page to the caller. I've got the route and action set up as follows. I just want to send him the index.html page, no...

29 Jun at 17:23

ServiceStack.Text set JsConfig on application start

I set JsConfig in Application_Start method in my asp net mvc application ``` protected void Application_Start() { JsConfig.DateHandler = JsonDateHandler.ISO8601; JsCon...

29 Jun at 15:34

Trying to understand ?. (null-conditional) operator in C#

I have this very simple example: ``` class Program { class A { public bool B; } static void Main() { System.Collections.ArrayList list = null; if (list?....

Is working Universal Windows Platform (UWP) on Linux,Mac,... based on dotNET Core?

I want to know can I use UWP with dotNET Core 1.0 final release for creating application for Mac, Linux and etc or not ? If no, is there any way for creating application based on dotNET Core 1.0 on o...

19 Sep at 08:13

MVC 5 Routing Attribute

I have the Home Controller and my Action name is Index. In My route config the routes like below. ``` routes.MapRoute( "Default", // Route name "{controller}/{action}/{id}", // URL with pa...

Specified network name no longer available when connecting to SQL Server in .NET

I reinstalled my main work pc, but didn't reinstall visual studio after 5 months. Now i did and started my old project, and now it doesn't run. I get a timeout error when connecting to SQL Server, so...

29 Jun at 13:41

Is there a generic numeric type in C#?

I'd really like a a generic numeric type as the second generic type parameter of the `Func<TInput, THere, TResult>` given below so I can provide either an integer or a double or a decimal as and when ...

29 Jun at 12:31

I don't understand why we need the 'new' keyword

I am new to C#, from a C++ background. In C++ you can do this: ``` class MyClass{ .... }; int main() { MyClass object; // this will create object in memory MyClass* object = new MyClass(); // t...

29 Jun at 17:10