'router-outlet' is not a known element

I have a mvc 5 project with a angular frontend . I wanted to add routing as described in this tutorial [https://angular.io/guide/router](https://angular.io/guide/router). So in my `_Layout.cshtml` I a...

'Conda' is not recognized as internal or external command

I installed Anaconda3 4.4.0 (32 bit) on my Windows 7 Professional machine and imported NumPy and Pandas on Jupyter notebook so I assume Python was installed correctly. But when I type `conda list` and...

13 Jun at 14:21

HTTP Basic: Access denied fatal: Authentication failed

I use GitLab Community Edition 9.1.3 2e4e522 on Windows 10 Pro x64. With Git client. Error ``` Cloning into 'project_name'... remote: HTTP Basic: Access denied fatal: Authentication failed for 'http...

13 Jun at 07:17

Error on MongoDB Authentication

I am getting this error when connecting to Mongodb. I not really sure what is this error. > A timeout occured after 30000ms selecting a server using CompositeServerSelector{ Selectors = ReadPreferenc...

13 Jun at 08:33

Pandas create empty DataFrame with only column names

I have a dynamic DataFrame which works fine, but when there are no data to be added into the DataFrame I get an error. And therefore I need a solution to create an empty DataFrame with only the column...

28 Jan at 21:56

Javascript in a View Component

I have a View Component that contains some jQuery in the Razor (.cshtml) file. The script itself is quite specific to the view (deals with some some configuration of third-party libraries), so I would...

Error: "There was an error running the selected code generator: Package restore failed"

I am trying to add controller to my solution in ASP.NET Core project: [](https://i.stack.imgur.com/C6s4v.png) When I try to do so I get this error: [](https://i.stack.imgur.com/S4qS1.png) I get the sa...

12 Apr at 10:17

How to query many-to-many releationship in EF Core

I'm using .NET Core and EF Core for a web project. I'm struggling how to query a many-to-many releationship. This is what my models look like: ``` public class Begrip { public int ID { get; set; ...

Web API: Configure JSON serializer settings on action or controller level

Overriding the default JSON serializer settings for web API on application level has been covered in a lot of SO threads. But how can I configure its settings on action level? For example, I might wan...

12 Jun at 12:7

ASP.NET Core modify/substitute request body

I want to do a substitution on `HttpContext.Request.Body`. I've tried to do it inside a middleware: ``` public async Task Invoke(HttpContext context) { if (context.Request.Path.Value.Contains("Dat...

How do you add additional files to a NuGet package in Visual Studio 2017?

I recently moved to Visual Studio 2017 Community Edition. It has 2 nice new features: 1. You don't need to explicitly include your source files in the csproj. It does this automatically. 2. It can bu...

21 Jan at 00:51

What's the difference between implementation, api and compile in Gradle?

After updating to Android Studio 3.0 and creating a new project, I noticed that in `build.gradle` there is a new way to add new dependencies instead of `compile` there is `implementation` and instead ...

Equal height rows in CSS Grid Layout

I gather that this is impossible to achieve using Flexbox, as each row can only be the minimal height required to fit its elements, but can this be achieved using the newer CSS Grid? To be clear, I w...

12 Jun at 18:32

Android SDK cannot be found by flutter

I have installed [flutter through AUR.](https://aur.archlinux.org/packages/flutter/) I also have `aur/android-sdk 26.0.2-1` installed. When I run `flutter run` I get: ``` Warning! This package refere...

11 Jun at 16:0

Unable to resolve service for type 'Microsoft.AspNetCore.Identity.UserManager` while attempting to activate 'AuthController'

I'm getting this error in Login Controller. > InvalidOperationException: Unable to resolve service for type 'Microsoft.AspNetCore.Identity.UserManager`1[Automobile.Models.Account]' while attempting t...

HasOne not found in EF 6

I am very new to Entity Framework and I am trying to figure out relations. I have found this code: ``` class MyContext : DbContext { public DbSet<Post> Posts { get; set; } public DbSet<Tag> T...

11 Jun at 08:7

Identity Server 4 and docker

I'm trying to configure IdentityServer4 with docker but I cannot make it work. To get started, I took the Client Credential example of the identity server documentation: [Protecting an API using Clien...

13 Jun at 17:17

How do you change the icon of the `wwwroot` folder in a .NET Core project?

In Visual Studio 2017, when I want to create an ASP.NET Core Web Application from scratch using either one of these standard .NET Core project templates: - - These project templates; obviously woul...

servicestack angular 2 template on mac

is there any way to generate project without visual studio just on mac with rider or vs code? Don't really want to install windows only for creating empty project to try real promising template.

10 Jun at 21:47

How does FirstAsync work?

In my everlasting quest to suck less I'm trying to understand Rx.net's `FirstAsync()` syntax. Most documentation is for the deprecated `First()` If I understand correctly it allows me to start a stre...

7 May at 05:55

Getting "The path to the driver executable must be set by the webdriver.chrome.driver system property"though set correct path

My code is very simple code: ``` WebDriver wd =new ChromeDriver(); System.setProperty("webdriver.chrome.driver", "D:\\List_of_Jar\\chromedriver.exe"); String baseUrl ...

ServiceStack OrmLite: JSON fild deserialization Issue

I have a table in MySql: ``` CREATE TABLE db.catalog ( id varchar(36) NOT NULL, pictures json DEFAULT NULL ) ``` and declaration form code ``` public class catalog { public stri...

How to prevent Gremlin injection in C#?

When user enters data in a text box, many possibilities of SQL Injection are observed. To prevent this, many methods are available to have placeholders in the SQL query, which are replaced in the next...

ServiceStack Caching No Ceremony Razor

I have a simple website that is using the no ceremony razor views mostly for handling the layouts of a bunch of static pages. This is on an azure web app. The pages seem to load a little slower than...

10 Jun at 05:15

Better way to disable console inside unit tests

I wonder if there is a better way to disable console errors inside a Jest test (i.e. restore the original console before/after each test). Here is my current approach: ``` describe("Some description"...

25 Sep at 18:18