How do I assign a global initialized event?

I've got this code in my App.xaml.cs: ``` protected override void OnStartup(StartupEventArgs e) { EventManager.RegisterClassHandler(typeof(TextBox), TextBox.TextChangedEvent, new RoutedEventHandl...

27 Jul at 09:29

How to do Rounded Corners Image in Flutter

I am using Flutter to make a list of information about movies. Now I want the cover image on the left to be a rounded corners picture. I did the following, but it didn’t work. Thanks! ``` getItem(var...

Best way to "push" into C# array

Good day all So I know that this is a fairly widely discussed issue, but I can't seem to find a definitive answer. I know that you can do what I am asking for using a List, but that won't solve my is...

25 Jul at 06:9

How to make Login page as a default route in ASP .NET Core 2.1?

I am beginner in ASP .NET Core 2.1 and working on project which is using ASP .NET Core 2.1 with individual authentication. I want to make my login page as my default route instead of Home/Index: ```...

Integration testing C# WebAPI asp.NET Framework 4.6.1

I am trying to write integration tests in C# for my C# asp.NET Framework 4.6.1 WebAPI which contains simple CRUD functionalities. I have found little to no documentation on making automated integrati...

24 Jul at 18:53

ServiceStack WebApi File Download From Another Service (Pass-Through)

Summary: I have an application service/API and a reporting service/API; mutually exclusive of each other (on different servers/environments; app service does not have access to reporting service file ...

24 Jul at 18:22

Npgsql 4.0 Parameters and Null Values

Passing a null value using Npgsql looks something like this: ``` using (NpgsqlCommand cmd = new NpgsqlCommand("insert into foo values (:TEST)", conn)) { cmd.Parameters.Add(new NpgsqlParameter("TE...

24 Jul at 15:1

ServiceStack.OrmLite: Implementing custom StringConverter affects column type of complex BLOB fields

In a previous [SO question](https://stackoverflow.com/questions/51494824/servicestack-ormlite-stringlengthattribute-maxtext-produces-longtext-how-ca) I asked how I change the MySql column type when I ...

ServiceStack.OrmLite: StringLengthAttribute.MaxText produces "LONGTEXT" - how can I set to "TEXT"?

Using ServiceStack's OrmLite and decorating a Property with the following attribute, creates a column of type LONGTEXT, instead o TEXT as noted in the docs: [](https://i.stack.imgur.com/l3yst.png) But...

How to use mouseover and mouseout in Angular 6

I have this older Angular code which works but not in the latest version of Angular 6. ``` <div ng-mouseover="changeText=true" ng-mouseleave="changeText=false" ng-init="changeText=false"> <span ng-...

24 Jul at 05:43

How to Unit Test with ActionResult<T>?

I have a xUnit test like: ``` [Fact] public async void GetLocationsCountAsync_WhenCalled_ReturnsLocationsCount() { _locationsService.Setup(s => s.GetLocationsCountAsync("123")).ReturnsAsync(10); ...

How to tell if code is written for regular .NET or .NET Core?

I work with a code base that contains some code in regular .NET and some code in .NET Core. When I open an individual .cs file, I'm not always sure whether the file was meant to be compiled with regul...

23 Jul at 19:6

How to pass build properties to dotnet?

In my C# and .net core program, I want to dynamically select dependency by using properties in the .csproj file. I learned from online that I can supply those properties while using the msbuild comman...

23 Jul at 18:49

ServiceStack.OrmLite: Table collision when class name appears in different namespaces

When having two classes that has the same name, but in different namespaces, ServiceStacks OrmLite is unable to distinguish between the two. For example: ``` Type type = typeof(FirstNameSpace.BaseMod...

23 Jul at 16:16

Why is F# so much slower than C#? (prime number benchmark)

I thought that F# was meant to be faster than C#, I made a probably bad benchmark tool and C# got 16239ms while F# did way worse at 49583ms. Could somebody explain why this is? I'm considering leaving...

23 Jul at 15:25

IHttpActionResult vs IActionResult

I'm creating an API using .NET Core 2 to provide data for many applications developed in different technologies. I'm currently returning `IActionresult` from my methods. I've been studying what the be...

23 Jul at 15:12

Servicestack MySql connection string

I'm trying to figure out how to create a connection string in Servicestack for (in this case) MySql. The question is: what is the connection string in Web.config supposed to look like ? I stumbled ...

23 Jul at 13:58

Proper way to register HostedService in ASP.NET Core. AddHostedService vs AddSingleton

What is the proper way to register a custom hosted service in ASP.NET Core 2.1? For example, I have a custom hosted service derived from [BackgroundService](https://learn.microsoft.com/en-us/dotnet/ap...

ADB stopping at <waiting for devices>

I was trying to install some custom recovery and ROM on to my phone when I got to this situation. ADB or fastboot shows ``` <waiting for devices> ``` I tried and saw few solutions. I'm writing ...

3 Apr at 20:38

Error: JavaFX runtime components are missing, and are required to run this application with JDK 11

I'm trying to run the sample JavaFX project using IntelliJ but it fails with the exception : ``` Error: JavaFX runtime components are missing, and are required to run this application ``` I have do...

23 Jul at 12:22

Httpclient This instance has already started one or more requests. Properties can only be modified before sending the first request

I am creating an application in .Net Core 2.1 and I am using http client for web requests. The issue is I have to send parallel calls to save time and for that I am using Task.WhenAll() method but whe...

HMAC authentication via Postman

I'm using an example for setting up HMAC authentication for a Web API project. The original example source code/project is available here: [http://bitoftech.net/2014/12/15/secure-asp-net-web-api-usi...

31 Jul at 06:30

What is the difference and why does Switch Case work like this in C#?

I have two functions, one can be compiled and the other cannot. What is the difference? Does function number 1 assume that case 1 always will be hit, or it just a compiler problem? ``` public void T...

23 Jul at 13:40

How do I implement IHttpClientFactory in .net framework apart from .Net core?

In .Net core, we can use IHttpClientFactory to inject and use during runtime. As a developer I no need to worry about the dependency resolution. I need to just specify AddHttpClient() in service colle...

23 Jul at 08:43

Returning false while connecting bio metric machine using C#

I want to connect bio metric machine using C#. I am using for connecting with machine I have used connect_net method to connect with ip address and port ``` public partial class Form1 : Form { ...

25 Jul at 06:40