Bootstrap 4: Multilevel Dropdown Inside Navigation

What's the easiest way to make a multilevel dropdown in Bootstrap 4? All the examples I managed to find on SO were either too messy or not included in nav. I've tried just placing a dropdown inside a...

ASP.NET Core DbContext injection

I have a `ConfigurationDbContext` that I am trying to use. It has multiple parameters, `DbContextOptions` and `ConfigurationStoreOptions`. How can I add this DbContext to my services in ASP.NET Core...

Inject Service Reference into .NET with AppSettings.json and Startup.cs

My project is not finding the service reference endpoint in runtime. I believe it's due to incorrect injection in my Startup.cs. I'm new to the appsettings.json and Startup.cs method of configuration ...

12 Jun at 18:40

Xamarin Forms Icons

I'm wondering how I can implement icons inside my Xamarin Forms app. I want to use something like glyphicons or font awesome. However, I have no idea how to implement it into my xaml/c# pages. Ideall...

How do I set the ServiceStack ResponseStatus StatusCode?

I have developed a custom exception which I throw from my ServiceStack service. The status code and description are mapped correctly, but the inner 'statusCode' value always appears to be '0'. Here i...

ServiceStack.OrmLite.Sqlite.Core Can't Load Proper Sqlite DLL

I'll keep this short and sweet... OS: Windows 7 x64 Latest Updates IDE: Visual Studio 2017 15.2 Framework: .Net Core 1.1 / Standard 1.3 Steps to reproduce: 1) File -> New Project (.Net Core Consol...

How to debug code in NuGet package created by me

I have a NuGet package I created and installed in another solution but now I need to debug the code of the package when called from my new solution. I tried referencing the solution of the package but...

9 Oct at 02:10

How to Find All Controller and Action

How to find all controllers and actions with its attribute in dotnet core? In .NET Framework I used this code: ``` public static List<string> GetControllerNames() { List<string> controllerNames ...

9 Jun at 12:6

How to create beautiful UI's with Python

I wonder if it's possible to create good looking desktop UI's with python? Could I use JS frameworks like Electron with python? Or are there any python libraries which provide modern looking and easy ...

Failed to load AppCompat ActionBar with unknown error in android studio

Below is my xml file. In preview there is two error'Failed to load AppCompat ActionBar with unknown error' & 'Failed to instaniate more than one class'. How ever am able to run the app.But the app cra...

9 Jun at 07:0

Enums in Javascript with ES6

I'm rebuilding an old Java project in Javascript, and realized that there's no good way to do enums in JS. The best I can come up with is: ``` const Colors = { RED: Symbol("red"), BLUE: Sym...

Error while executing test, if using CreateResponse extention method to return Azure Function HttpResonseMessage

My Azure Function code is like below ``` public static class MyHttpTriggerFunction { public static async Task<HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Function, "get", "pos...

My position: sticky element isn't sticky when using flexbox

I was stuck on this for a little bit and thought I'd share this `position: sticky` + flexbox gotcha: My sticky div was working fine until I switched my view to a flex box container, and suddenly the ...

10 Dec at 14:53

Run only ONE test with Jest

I want to run just one test with Jest. I use `it.only` or `describe.only`, but it still runs a whole lot of tests. I think it runs all the tests since my last commit, but it shouldn't have this behavi...

30 Dec at 03:47

Unable to load script from assets index.android.bundle on windows

I'm trying to run my first React Native project for first time on my device (Android 4.2.2). And I get: > unable to load script from assets index.android.bundle Commands that I used: 1. cd (proj...

22 Aug at 18:27

How to enable serverside render support for servicestack angular 2 template?

with latest release of servicestack there is angular 2 template. How to enable serverside render?

React JS Error: is not defined react/jsx-no-undef

I'm developing a map functionality using `ReactJS`, My `app.js` file is: ``` import React, { Component } from 'react'; import './Map'; class App extends Component { render() { return ( ...

16 Mar at 06:48

.NET Core and Swagger API generation

I am creating a barebones .NET Core web api project (Started from blank template below) [https://andrewlock.net/removing-the-mvc-razor-dependencies-from-the-web-api-template-in-asp-net-core/](https://...

8 Jun at 15:58

Python: How to pip install opencv2 with specific version 2.4.9?

I know that I could `pip install opencv-python` which installs opencv3, but is there a separate command or name for opencv specific version such as 2.4.9? If not, how can I specify which version to ...

27 Feb at 05:41

ServiceStack Ormlite Deserialize Array for In Clause

I am storing some query criteria in the db via a `ToJson()` on the object that contains all the criteria. A simplified example would be: ``` {"FirstName" :[ {Operator: "=", Value: "John"}, { Operato...

8 Jun at 19:47

Access environment name in Program.Main in ASP.NET Core

Using ASP.NET Mvc Core I needed to set my development environment to use https, so I added the below to the `Main` method in Program.cs: ``` var host = new WebHostBuilder() .UseConten...

8 Jun at 13:59

VSCode Change Default Terminal

I am using Visual Studio Code on my Windows 10 PC. I want to change my default terminal from Windows PowerShell to Bash on Ubuntu (on Windows). How can I do that?

CMD command to check connected USB devices

I would like to obtain by a command prompt a list of all USB devices connected to my computer (O.S. Windows 10). I've googled to find such a command, but all results seems useless to me or worse workl...

17 Feb at 16:21

Cannot find control with name: formControlName in angular reactive form

I found this problem in many questions in stackoverflow but no luck. Please help me for figuring out what I am doing wrong. ``` ngOnInit() { this.companyCreatForm = this._formBuilder.group({ ...

24 Nov at 17:55

Is EF Core Add Migration Supported from .NET Standard Library?

We have been trying to run EF Core Migration in .Net Standard 1.6 class library, but it has been failing. But same passes very well in .Net Core 1.1 class library. > Is EF Migration supported in .NET...