Creating an IReadOnlyList<string>

How do I create an `IReadOnlyList<string>` with some values in it? I found an example of `ReadOnlyCollection` which seems to convert an existing collection to an `ReadOnlyCollection` but that approac...

5 Mar at 16:28

Combining Flutter frontend with .NET Core backend for Android and iOS

Currently working for a company that use .NET (not Core) but want to switch to .NET Core and thought to do so by creating an app with a Flutter.io frontend and .NET Core backend. The app w/ backend is...

5 Mar at 15:45

Container runtime network not ready: cni config uninitialized

I'm installing kubernetes(kubeadm) on centos VM running inside `Virtualbox`, so with yum I installed `kubeadm, kubelet` and `docker`. Now while trying to setup cluster with `kubeadm init --pod-netwo...

20 Feb at 06:10

Error : Program type already present: android.support.design.widget.CoordinatorLayout$Behavior

I am getting the following error while building the project. haven't used CoordinatorLayout in this project. just added as a dependency in build.gradle : I am using Android Studio 3.2 Canary 4. >...

Where does the ASP.NET Core logging API as default store logs?

In the ASP.NET Core 2.0, I use the [default logging API](https://learn.microsoft.com/en-us/aspnet/core/fundamentals/logging/?tabs=aspnetcore2x). My app is hosted as an Azure Web App. (I don't need ...

In C# Convert List<dynamic> to List<string>

Suppose I have a `List<dynamic>` object containing strings: ``` var dlist = new List<dynamic>() { "test", "test2", "test3" }; ``` Is there any efficient way of converting this into a pr...

2 Feb at 15:49

Subscribe user to a SSE channel in ServiceStack

I'm trying to figure out how can I subscribe a just-authenticated user to a SSE channel using the ServiceStack's `OnAuthenticated` function. Here is my actual code: ``` public override void OnAuthent...

5 Mar at 10:27

Increase Servicestack Concurrent Process

I have following Service: ``` public class ServerApp : AppHostHttpListenerPoolBase { public ServerApp() : base("Server", 500, typeof(TestService).Assembly) { } ...

5 Mar at 09:2

Could not load file or assembly 'Newtonsoft.Json' Version=11.0.0.0

I have read a lot of the responses to previous versions of this issue but none seem to work. Every time I open my script component in Visual Studio 2015 (v14.0.25431.01 update 3) it tells me I am mis...

ChromeDriver showing Lost UI Shared Context

I have a Windows 10 laptop running a Windows 7 Virtual Machine. Inside the Virtual Machine, when i start the WebDriver, it gives the error when it is started: ``` IWebDriver driver = new ChromeDrive...

how to add a new c# file to a project using dotnet-cli

I'm learning how to use dotnet-cli with VSCode. I've seen many commands on how to create solution, projects, add reference to projects... but I don't see anywhere in the documentation how to add a fil...

3 Mar at 18:3

.NET Analyzer: Package Version vs Assembly Version

As you can see in the following picture when you create a project of type Analyzer with Code Fix (.NET Standard) using VS 2017, in the properties tab of the project there is package version, assembly ...

3 Mar at 12:20

Fill DataTable asynchronously?

I have the following function in a .NET Core 2.0 app. ``` public DataTable CallDb(string connStr, string sql) { var dt = new DataTable(); var da = new SqlDataAdapter(sql, connStr); da.Fil...

2 Mar at 23:5

How to make Swagger show examples of objects returned from the API?

I am creating a set of API's for the first time. Here's one of the methods: ``` // GET: api/Doors/0 /// <summary> /// Get a list of all doors for a given organization. /// </summary> ...

2 Mar at 20:12

Handling dates and datetimes in ServiceStack's Ormlite

I am using `Ormlite.Oracle` to do something like this: ``` using (var db = dbFactory.Open()) { var events = db.From<Event>() .Where(row => row.Event_...

2 Mar at 19:10

How to return JSON in an ApiController for a single method?

Currently, my `ApiController`s are returning XML as a response, but for a single method, I want to return JSON. i.e. I can't make a global change to force responses as JSON. ``` public class CarContr...

No constructor found for Xamarin.Forms.Platform.Android.LabelRenderer (xamarin forms)

I have a list of image in my xaml on pcl project when I test my app in my samsumg galaxy s5 device I do this: I enter in the page of the list, then I press the back button on the action bar...I do it ...

EF Core one-to-zero relationship one way

Can a relationship one-to-one be created only one way? ``` public class Class1 { [Key] [DatabaseGenerated(DatabaseGeneratedOption.Identity)] public int Class1Id { get; set; } ... } publi...

25 Feb at 08:24

Add certificate on request with RestSharp

I'm trying to communicate with a server. This server send me a certificate and a private key in order to execute my request successfully. To test the server, I use [Postman](https://www.getpostman.co...

2 Mar at 12:30

SQL ISNULL equivalent in ormlite

is there an equivalent of `ISNULL` in SQL for `OrmLite`? I tried adding ``` [Default(typeof(int),"-1")] ``` to my class model, but had no luck.. I'm working with `MVC5` and `C#`

3 Mar at 16:49

ServiceStack Razor Response Filter

I Write a ServiceStack Razor Page named 'default.cshtml'. I want to add a global response filter on it running, but it not work right. how to fixed it? [](https://i.stack.imgur.com/ikCK7.png)

2 Mar at 10:2

How to get date ticks in a javaScript?

I have such a code in the C#: ``` public static decimal StringDateToDecimal(this string stringDate) { var cultureInfo = new CultureInfo("ru-Ru"); var date = DateTime.Parse(stringDate, culture...

1 Mar at 17:54

How can I add a custom JSON file into IConfiguration?

I'm using asp.net + Autofac. I'm trying to load a custom JSON configuration file, and either create/instance an IConfiguration instance based on that, or at least include my file into whatever IConfi...

20 Feb at 12:15

Prevent screen from sleeping with C#

I have created a small C# console app to move the pointer around the screen, in the hope that this would prevent the screen from sleeping / locking after a few minutes. Unfortunately the screen still ...

1 Mar at 09:6

AddSigningCredential for IdentityServer4

We are using IdentityServer4 with .NET Core Web Application("[http://docs.identityserver.io/en/release/quickstarts/0_overview.html](http://docs.identityserver.io/en/release/quickstarts/0_overview.html...

5 Apr at 21:40