NuGet Package for Tuples in C#7 causes an error in my views

I am trying to use the new tuple features in C# 7 in an ASP.NET MVC 5 app, using .NET version 4.6.1. and Visual Studio 2017 RC. To do so I referenced this article here: [What's new in C# 7](https://bl...

23 May at 12:10

How to properly use Code Contracts in .NET Core

I wonder, how to properly use Code Contracts in , so far I tried to add CC to my project, compile and debug. I'm confused by message, which is appearing in each call which uses `Contract.Requires`, an...

13 Oct at 14:12

Detect API level incompatibilities in Xamarin Android App (Visual Studio 2015) at compile time instead of runtime

I am writing a Xamarin Android app using Visual Studio 2015 (Windows). I want to target the latest Android API, while maintaining backwards compatibility to API 16 (4.1 Jelly Bean). I know how to ens...

23 May at 12:9

How can I install the VS2017 version of msbuild on a build server without installing the IDE?

Historically, this has been done with the [Microsoft Build Tools](https://www.microsoft.com/en-us/download/details.aspx?id=48159). But it seems that [the Build Tools may not be available for versions ...

laravel updateOrCreate method

I have the following code in my method which I am sending via ajax to the controller method : ``` $newUser = \App\UserInfo::updateOrCreate([ 'user_id' => Auth::user()->id, 'about' ...

13 Nov at 08:50

Unsafe.As from byte array to ulong array

I'm currently looking at porting my [metro hash implementon](https://www.nuget.org/packages/MetroHash/) to use C#7 features, as several parts might profit from ref locals to improve performance. The h...

7 Jun at 06:18

How do I debug .NET 4.6 framework source code in Visual Studio 2017?

Here's what I've tried: Made a new Console App (.NET Framework) in Visual Studio 2017. Added the following code: ``` static void Main(string[] args) { new Dictionary<int, int>().TryGetValue(3, ...

C#7 tuple & async

Old format: ``` private async Task<Tuple<SomeArray[], AnotherArray[], decimal>> GetInvoiceDetailAsync(InvoiceHead invoiceHead) { ... } ``` How can you do that in C#7 with new tuples form...

9 Mar at 10:42

Visual Studio 2017 error: Unable to start program, An operation is not legal in the current state

After fresh installation of Visual Studio 2017 I tried to run .NET Core Web project and when trying to run it on Chrome I am getting this error: > Unable to start program, An operation is not legal i...

Why does ?: cause a conversion error while if-else does not?

Making some changes in the code I use the next line: ``` uint a = b == c ? 0 : 1; ``` Visual Studio shows me this error: > Cannot implicitly convert type 'int' to 'uint'. An explicit conversion ...

10 Mar at 00:58

View POST request body in Application Insights

Is it possible to view POST request body in Application Insights? I can see request details, but not the payload being posted in application insights. Do I have to track this with some coding? I am ...

Can't build create-react-app project with custom PUBLIC_URL

I'm trying ``` PUBLIC_URL=http://example.com npm run build ``` with a project built using the latest create-react-script. However, the occurrences of `%PUBLIC_URL%` in `public/index.html` are rep...

23 Oct at 20:21

How to call an async task inside a timer?

I figured out how to use a repeat a normal method with a timer, and it worked fine. But now I have to use some async methods inside of this method, so I had to make it a Task instead of a normal metho...

9 Mar at 02:33

Node.js ES6 classes with require

So up until now, i have created classes and modules in `node.js` the following way: ``` var fs = require('fs'); var animalModule = (function () { /** * Constructor initialize object * ...

8 Mar at 23:54

C++ cannot open source file

In C++ with Visual studio 2017, I copied some header files into my project folder, then added them under the "solution explorer" in c++. Now when I write ``` #include "name.h" ``` it prints an e...

8 Mar at 19:0

Vue.js computed property not updating

I'm using a Vue.js computed property but am running into an issue: The computed method being called at the correct times, but the value returned by the computed method is being ignored! My method `...

AutoQuery insight needed

So, I'm working with ServiceStack and love what it offers. We've come to a point where I'm needing to implement a queryable data API... prior to my coming to this project, a half backed OData impleme...

Python - Turn all items in a Dataframe to strings

I followed the following procedure: [In Python, how do I convert all of the items in a list to floats?](https://stackoverflow.com/questions/1614236/in-python-how-do-i-convert-all-of-the-items-in-a-lis...

23 May at 11:46

AWS V4 Signing of .NET HttpClient

I need to call an AWS Gateway API service that is secured with AWS_IAM. I want to use `HttpClient` as this is the recommended way by Microsoft. I have found some example code using other ways. I've ...

How can I enable all features of C# 7 in Visual Studio 2017 project?

After Visual Studio 2017 was released I wanted to try to create simple console project with new C# 7 features. I expected that I simply download new Visual Studio 2017, then create new console project...

ServiceStack RedisServerEvents creating thousands of keys

I'm using ServiceStack with the RedisServerEvents plugin to notify connected clients of changes in data. I've got two Linux VMs running Apache/mod_mono/ServiceStack, a single Redis instance, and an HA...

RegEx match exactly 4 digits

Ok, i have a regex pattern like this `/^([SW])\w+([0-9]{4})$/` This pattern should match a string like `SW0001` with `SW`-Prefix and 4 digits. I thougth `[0-9]{4}` would do the job, but it also matc...

8 Mar at 15:11

C# 7 .NET / CLR / Visual Studio version requirements

What are the minimum .NET framework and CLR version requirements for running C# 7? Also, do I need VS 2017 to compile C# 7?

1 Mar at 09:59

How to get history on react-router v4?

I having some little issue migrating from React-Router v3 to v4. in v3 I was able to do this anywhere: ``` import { browserHistory } from 'react-router'; browserHistory.push('/some/path'); ``` How ...

31 Oct at 09:46

Why does Entity Framework try to SELECT all columns even though I have specified only two?

I've inherited an ASP MVC project that uses Entity Framework 6.1.3 to interact with a Dynamics CRM 2011 SQL database. I'm using this query to try and get all active accounts that have an account numb...