Task return type with and without Async

I little bit confused on the behavior of the `async` keyword. Lets say I have 2 methods, ``` public async Task DoSomething1() { await Task.Run(() => { for(int i = 0; i<3; i++) ...

New .Net Core 2 Site does not reconize Configuration.GetConnectionString

I am creating a new web site from an empty ASP.NET Core 2 template and following the [Microsoft Entity Framework Tutorial](https://learn.microsoft.com/en-us/aspnet/core/data/ef-mvc/intro) to help me g...

ServiceStack JWT Auth Provider example

Can anyone get me ServiceStack's JWT Auth Provider example. I want to use servicestack for user registration and login. Also google, facebook, twitter for sign up.

7 Dec at 15:2

Listing all resources in a namespace

I would like to see all resources in a namespace. Doing `kubectl get all` will, despite of the name, not list things like services and ingresses. If I know the the type I can explicitly ask for that...

7 Dec at 09:15

How to generate HMAC-SHA256 in .Net Core?

I am using this page to generate some test HMAC-SHA256 hashes for some texts: [https://www.liavaag.org/English/SHA-Generator/HMAC/](https://www.liavaag.org/English/SHA-Generator/HMAC/) However, whe...

7 Dec at 02:36

What's the right way to float right or left using the material-ui appbar with material-ui-next?

I can't figure out if I'm using the right approach to get the login/logout buttons to float right in while using material-ui-next ("material-ui": "^1.0.0-beta.22",) It seems they removed `iconElement...

Playing sound in React.js

``` import React, { Component } from 'react' import { Button, Input, Icon,Dropdown,Card} from 'semantic-ui-react' import { Link } from 'react-router-dom' import $ from 'jquery' import styles from './H...

31 Dec at 08:17

Null propagation operator, out parameters and false compiler errors?

Let's assume I have a class that has a property of type `Dictionary<string,string>`, that may be null. This compiles but the call to `TryGetValue()` could throw at a `NullRef` exception at runtime: ...

7 Dec at 00:21

No job functions found. Try making your job classes and methods public

First off, I have looked at the other SO posts with the same error message and none seem to resolve my issue. I have tried many permutations and options. My function builds fine but will not run in th...

Get Merged Cell Area with EPPLus

I'm using [EPPlus][1] to read excel files. I have a single cell that is part of merged cells. How do I get the merged range that this cell is part of? For example: Assume Range ("A1:C1") has been merg...

6 May at 06:11

How to log unhandled exception in .net core

With ELMAH feature in web api 2.0 and Centralized logging and error handling , runtime calls logging module and decide if it can be handled then calls the handler else just logs it.. how can this fea...

26 Jul at 18:11

curl: (60) Peer's Certificate issuer is not recognized

I am trying to install the .net Core SDK 2.0.0 on Centos 7 following the directions in "[.NET Tutorial - Hello World in 5 minutes](https://www.microsoft.com/net/learn/get-started/linuxcentos)". When I...

1 Apr at 06:21

NPM Install Error:Unexpected end of JSON input while parsing near '...nt-webpack-plugin":"0'

When creating a new Angular 5 project: node version: 8.9.2 npm version: 5.5.1 My Command is: ``` npm install -g @angular/cli ``` The Error is: ``` npm ERR! **Unexpected end of JSON input while parsin...

12 Jul at 08:43

EF Core: Soft delete with shadow properties and query filters

I've created an interface to try to do a soft delete, mixing shadow properties and query filters. But it's not working. ``` public interface IDeletableEntity {} ``` And then in my model builder ``...

6 Dec at 11:47

How to use Windsor IoC in ASP.net Core 2

How can I use Castle Windsor as an IOC instead of the default .net core IOC container? I have built a service resolver that depends on `WindsorContainer` to resolve services. Something like: ``` pu...

Permissions for ServiceStack Slack Logging

I'm currently trying out ServiceStack Logging with Slack, and altough it seems to work, I can't change the channels and name of the bot. I think it might have something to do with my Slack configurati...

6 Dec at 07:49

What is the difference between Bearer Token and Refresh Token?

In ServiceStack, I am using JwtAuthProvider, where I got Bearer Token and Refresh token so how do I verify the token and authorize the web api service? Code: ``` var client = new JsvServiceClient(Lis...

6 Dec at 06:52

Keras ValueError: Input 0 is incompatible with layer conv2d_1: expected ndim=4, found ndim=5

I have checked all the solutions, but still, I am facing the same error. My training images shape is `(26721, 32, 32, 1)`, which I believe it is 4 dimension, but I don't know why error shows it is 5 d...

How can I display the version of my Jupyter notebook and run cells in Jupyter notebooks? I get an error: bad interpreter

I have installed Anaconda and I use the conda environments and the conda command to install software. When I type: `jupyter notebook --version` I get the following error: `zsh: /Users/cr517/.local/...

Asp.Net Core SAML Response Signature Validation

I'm working on a web application that needs to implement a SAML SSO using a third party idP (SP-initiated). I've reached the point where I am receiving the SAMLResponse from the idP which looks like t...

db.collection is not a function when using MongoClient v3.0

I have been trying [W3schools tutorial](https://www.w3schools.com/nodejs/nodejs_mongodb_find.asp) on nodeJS with MongoDB. When I try to implement this example in a nodeJS environment and invoke the ...

7 Dec at 18:7

Objects are not valid as a React child (found: [object Promise])

I am trying to render a list of posts by mapping through an array. I've done this many times before but for some reason ``` renderPosts = async () => { try { let res = await axios.get('/post...

21 Jul at 14:52

Merging a common project with build variations in .NET MVC

I have a .net mvc site that should be published to a lot of different customers, and thus vary slightly depending on the target. Is there any way to set up the core project structure, e.g. (simplifie...

5 Dec at 13:32

Apply all IEntityTypeConfiguration derived classes in EF Core

Does anyone know of a way or have an implementation to apply ALL classes that derive from `IEntityTypeConfiguration` to the `DbContext` at runtime? There doesn't seem to be anything built in and loadi...

Issue with RestSharp installation in Visual-Studio 2013

I am trying to use `RestSharp` in my C# Visual-Studio 2013 project to POST data at a given URL. When i try to install the package via NuGet it gives me the following error: ``` Installing 'RestSharp ...

5 Dec at 10:37