How to allow CORS in react.js?

I'm using Reactjs and using API through AJAX in javascript. How can we resolve this issue? Previously I used CORS tools, but now I need to enable CORS.

8 Sep at 16:2

C# .Net How to Encode URL space with %20 instead of +

How to encode query string space with `%20` instead of `+` ? Because `System.Web HttpUtility.UrlEncode()` gives the space with `+`.

21 Sep at 08:13

Configure ASP.NET Core 2.0 Kestrel for HTTPS

TL;DR What is today the correct way to setup HTTPS with ASP.NET Core 2.0? I would like to configure my project to use https and a certificate like they have shown at [BUILD 2017](https://www.youtube....

ServiceStack: How to unit test a service that serves files

I have a web service that service an Excel file ``` public class ReportService : Service { public IReportRepository Repository {get; set;} public object Get(GetInvoiceReport request) { ...

Anaconda Navigator won't launch (windows 10)

Anaconda navigator won't launch, I tried reinstalling it, that did not work either. anancondas' command prompt shows an error message. I've tried googling the answer, I guess I'm bad at it. [this is w...

18 Dec at 17:28

Using ServiceStack REST to receive data without a POCO on the server

We're trying to write a ServiceStack Rest method to received data from the NLOG WebService Target. [https://github.com/NLog/NLog/wiki/WebService-target](https://github.com/NLog/NLog/wiki/WebService-...

21 Sep at 00:27

How to get the Angular version?

I installed the `@angular/cli` package via npm using: ``` npm install -g @angular/cli ``` The version 1.4.2 of `@angular/cli` has been successfully installed. That is not the Angular version, but the...

9 Jun at 17:33

Why should I inject IHttpContextAccessor as a Singleton

In all examples that i've seen of `IHttpContextAccessor` injection, it is set as a Singleton. Examples: [How to add IHttpContextAccessor in the Startup class in the DI in ASP.NET Core 1.0?](https:/...

20 Sep at 19:9

Why use Page Factory?

I am a new test engineer and have been reading about Page Object Model and implementing them and keep coming across Page Factory. I understand that Page Factory is a POM that provides additional featu...

6 May at 02:32

Azure Search: price range - min & max value calculation

Currently, I am trying out Azure Search SDK. Having a strong background working with [lucene](https://lucenenet.apache.org/) and [bobobrowse](https://github.com/NightOwl888/BoboBrowse.Net), the Azure ...

Decimal and mathematical operations

I have a simple conversion of a `decimal` in C#. It looks like this: ``` private decimal BaseValue { get; set; } public decimal ConvertedValue { get { return BaseValue * (365 / ...

20 Sep at 14:15

Method not found System.Net.Http.Formatting.MediaTypeFormatter.get_SupportedMediaTypes() after adding .NET Standard 2.0 dependency

I have a .NET Framework 4.6.1 WebApi project that is referencing a small NuGet package we use internally to share common utility methods. We want to start moving some of our stuff to .NET Core, so I ...

20 Sep at 12:57

ASP.NET Core 2 Unable to resolve service for type Microsoft EntityFrameworkCore DbContext

When I run my asp.net core 2 projects I get the following error message: > InvalidOperationException: Unable to resolve service for type 'Microsoft.EntityFrameworkCore.DbContext' while attempting to ...

EntityFramework Core 2.0 - Add Migration error "The EntityFramework package is not installed"

*I'm getting an error when trying to Add-Migration for Entity Framework Core, to a Code First project, here are the details...* I have created a new ASP.Net Core web project (Core 2.0 in VS 2017)...

How Do I Clear The Credentials In AWS Configure?

I have deleted the [AWS credentials](https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-files.html) in `sudo nano ~/.aws/config`. But, the credentials are still in [aws configure](https://...

How to get access token from httpcontext using owin and Mvc 5

I've got a IDP implemented in [IdentityServer 4](https://identityserver4.readthedocs.io/en/release/). My web app client(implemented in Mvc 5) authenticates with the IDP but now I need to get the acces...

Add Reference to dll vs. adding a NuGet package in .NET Standard project

I have a .NET Standard 2.0 project in my solution and I am using the IConfiguration interface. When I write the name VS suggest that I reference Microsoft.Extensions.Configuration.Abstractions.dll. If...

20 Sep at 09:55

Asp.Net core "remember me" persistent cookie not works after deploy

I've built an MVC Core (Framework) application and I use Identity to login. When I click "Remember me" option all is ok on my develop machine, but after deploy on server machine, "remember me" doesn't...

Fixing Xcode 9 issue: "iPhone is busy: Preparing debugger support for iPhone"

I'm looking for more information on the message below. Xcode 9 seems to be hanging for a couple minutes already... > .Alex’s iPhone is busy: Preparing debugger support for .Alex’s iPhone Xcode will c...

31 Aug at 13:10

Xamarin Forms - negate bool binding values

I am learning the xamarin forms and mvvm pattern. I am wondering, if is it possible to negate binding bool value. What I mean is: I have, let's say Entry with isVisible Binding: ``` <Entry x:Nam...

20 Sep at 23:1

iPhone X / 8 / 8 Plus CSS media queries

What are the CSS media queries corresponding to Apple's new devices ? I need to set the `body`'s `background-color` to change the X's safe area background color.

Automapper Profiles not being loaded in Startup?

I'm using: - - It seems my profiles are not being loaded, every time I call the mapper.map I get Here my Startup.cs class ConfigureServices method ``` // This method gets called by the runtime....

19 Sep at 21:55

How to create a POST request properly using ServiceStack for C#

I have an API which contains the following bit. It is supposed to receive a `Person` object. ``` [HttpPost] public IActionResult Post(Person person) { ... } ``` I also have a consumer for this ...

20 Sep at 22:32

Visual Studio Community 2015 debugger ends at conditional breakpoint with "Evaluation of native methods is not supported" - how do I fix?

I have a conditional breakpoint and the condition checks the value of a string and stops if it's true. It stops but then a window opens saying: `The condition for a breakpoint failed to execute ... T...

Chr(34) equivalent

I am converting `VB.NET` code to `c#` and I am stopped when I reached the following code snippet. I need someone's help to convert Chr(34). Please help me to convert it to `c#`. ``` Dim inputStri...

19 Sep at 15:50