use websocket in azure vm

I have an Azure VM running Windows Server 2012 R2. I am trying to run a c# console application that utilizes TcpListener for websocket communication at port 8080. When I run my application locally it...

TypeScript add Object to array with push

I would just like to add an object of an class (Pixel) to an array. ``` export class Pixel { constructor(x: number, y: number) {} } ``` The class has the following attribute: ``` pixels: Pixel[...

6 Jul at 13:44

Is there any good reason NOT to use a ViewComponent instead of a Partial View in core MVC?

I'm new to MVC and decided to start with .net-core, so I don't have much understanding of the differences in core vs. older versions. I did find the below question which offers some insight but hasn't...

Command for restarting all running docker containers?

How to restart all running docker containers? Mainly looking for a shortcut instead of doing > docker restart containerid1 containerid2

8 Apr at 09:40

No module named tensorflow in jupyter

I have some imports in my jupyter notebook and among them is tensorflow: ``` ImportError Traceback (most recent call last) <ipython-input-2-482704985f85> in <module>() ...

6 Jul at 09:56

How to send a list of integers to web api 2 get request?

I am trying to accomplish this task in which I need to send a list of id's (integers) to a web api 2 get request. So I've found some samples [here][1] and it even has a sample project, but it doesn't ...

5 May at 15:2

Visual Studio Code how to resolve merge conflicts with git?

I tried to merge my branch with another branch and there was a merge conflict. In Visual Studio Code (version 1.2.1) I resolved all of the issues, however when I try to commit it keeps giving me this ...

Task Exception Handling without Wait

When working with Tasks, I am not sure how to do handling when I do not call Wait on my task. The example below is not executed in an async method. Here is an example: ``` var t = Task.Run(() => { ...

5 Jul at 19:43

ServiceStack Identity on field other than PK - Insert fails

When I try to use the "Insert" function in ServiceStack (against SQL Server 2014) using an object from the below class, it tries to insert a 0 (default of the ContactId property) for the ContactId ins...

Separating digits for large numbers in C# code

In C++ you can separate the digits for readability in your code with apostrophes: ``` int num = 1'000'000; ``` In Ruby, you can use underscores: ``` num = 1_000_000 ``` Is there a similar syntax...

5 Jul at 18:2

Is it possible to change the colour of the line below / Border of a TextBox (Entry)

I am creating a `Xamarin.Forms` application on `Android` and I am trying to change the colour of the line below my `Xamarin.Forms` `Entry` control. I have an `Entry` control like so: ``` <Entry Text...

5 Jul at 15:20

Why does C# require parentheses when using nullables in an expression?

I'm new to C# and while exploring the language features, I came across something strange: ``` struct Foo { public Foo Identity() { return this; } public static void Bar(Foo? foo) { ...

5 Jul at 14:13

Roslyn throws The language 'C#' is not supported

I have created a and did some processing and also used Roslyn to generate code. I use the library in a WPF GUI application as a reference. These are the NuGet packages: [](https://i.stack.imgur.co...

23 May at 12:10

JSON properties now lower case on swap from ASP .Net Core 1.0.0-rc2-final to 1.0.0

I've just swapped our project from ASP .Net Core 1.0.0-rc2-final to 1.0.0. Our website and client have stopped working because of the capitalization of JSON properties. For example, this line of JavaS...

14 Jan at 20:26

NSubstitute: Difference between Substitute.For<> and Substitute.ForPartsOf

I'm using NSubstitute. I have to fake a class and cannot dig out the difference of [Substitute.For<...>()](http://nsubstitute.github.io/help/creating-a-substitute/) and [Substitute.ForPartsOf<...>](ht...

5 Jul at 09:4

How to properly mask a numpy 2D array?

Say I have a two dimensional array of coordinates that looks something like `x = array([[1,2],[2,3],[3,4]])` Previously in my work so far, I generated a mask that ends up looking something like `ma...

5 Jul at 01:18

How to unapply a migration in ASP.NET Core with EF Core

When I run `PM> Remove-Migration -context BloggingContext` in VS2015 with an ASP.NET Core project using EF Core I get the following error: ``` System.InvalidOperationException: The migration '2016070...

Convert ICollection<T> to List<T>

I am trying to convert ICollection to List using below code- ``` ICollection<DataStructure> list_Stuctures = dataConnectorService.ListStructures(dataConnector, SupportedDataStructures.All); List<Data...

20 Jun at 09:12

Dapper.net "where ... in" query doesn't work with PostgreSQL

The following query always produces the error ". ``` connection.Query<CarStatsProjection>( @"select manufacturer, model, year, AVG(price) as averageprice, AVG(miles) as averagemiles,...

5 Jul at 06:57

Firebase 3: creating a custom authentication token using .net and c#

I'm trying to implement Firebase 3 Authentication mechanism using Custom Tokens (as described at https:// firebase.google.com/docs/auth/server/create-custom-tokens). My server is ASP.NET MVC Applicat...

Email attachment with long non-ascii name

I try to send `System.Net.Mail.MailMessage` with `System.Net.Mail.Attachment`. Name of attachment is "Счёт-договор №4321 от 4 июля.pdf" Code for attachment creation: ``` var nameEncoding = Encodin...

PM2 command not found

I installed node.js and npm to my centOS 7 server. But i have problems with pm2. Actually real problem is i don't have experiences in linux and i don't know how to change path. Here is folder structur...

4 Jul at 13:21

How to add IHttpContextAccessor in the Startup class in the DI in ASP.NET Core 1.0?

In ASP.NET Core RC 1 I used the following code to retrieve the value of context (full address of the page). Then I recorded this value in the configuration. ``` public class Startup { public I...

.net core 1.0 visual studio referencing external dll

with the release of the .net core i have been trying to build a simple project, however whenever i try and add a dll reference in my project i get the following message "" i was getting this messag...

4 Jul at 11:29

How to automatically populate CreatedDate and ModifiedDate?

I am learning ASP.NET Core MVC and my model is ``` namespace Joukyuu.Models { public class Passage { public int PassageId { get; set; } public string Contents { get; set; } ...