How to get bool result from async task<bool> function in C# - Error: Cannot implicitly convert type `void' to `bool'

I have created task function for validating my json file. Everything works fine until I didn't use the result. When I am trying to get the result from `async task<bool> function` it is showing error a...

27 May at 17:20

How do I upgrade the Python installation in Windows 10?

I have a Python 2.7.11 installed on one of my LAB stations. I would like to upgrade Python to at least 3.5. How should I do that ? Should I prefer to completely uninstall 2.7.11 and than install the ...

17 Jul at 06:33

Class has no objects member

``` def index(request): latest_question_list = Question.objects.all().order_by('-pub_date')[:5] template = loader.get_template('polls/index.html') context = {'latest_question_list':latest_que...

11 Apr at 12:53

C# re-use LINQ expression for different properties with same type

I have a class with several `int` properties: ``` class Foo { string bar {get; set;} int a {get; set;} int b {get; set;} int c {get; set;} } ``` I have a LINQ expression I wish...

16 Jul at 23:7

Get string extra from activity Kotlin

I want to get a string extra in another activity from an intent. This is the way to create my intent ``` val intent = Intent(this, Main2Activity::class.java) intent.putExtra("samplename", "ab...

16 Jul at 20:57

File permissions on Linux/Unix with .NET Core

I am trying to learn how to set file permissions on Linux/Unix with .NET Core. I already found a question on here that points me in the direction of System.IO.FileSystem, but I can't seem to find any...

31 Oct at 20:37

How to start ChromeDriver in headless mode

I want to try out headless chrome, but I am running into this issue, that I can't start the driver in headless mode. I was following [google documentation](https://developers.google.com/web/updates/20...

23 Aug at 10:49

Visual Studio 2017 - How do I duplicate the current line?

I want to duplicate the current line to a new line below it. I found [this](https://stackoverflow.com/questions/30203752/how-do-i-duplicate-a-line-or-selection-within-visual-studio-code) post but I ca...

Difference between HttpModule and HttpClientModule

Which one to use to build a mock web service to test the Angular 4 app?

Xunit Namespace Could not be Found in Visual Studio Code

I'm using Visual Studio Code for a .NET Core Project. I have an ASP.NET Core Project for which i want to create a separate unit tests project, i created a sub folder and ran ``` dotnet new xunit dotn...

16 Jul at 11:8

Spring Scheduling - Cron expression for everyday at midnight not working?

I am trying to schedule a task in Spring which is to be run everyday at midnight. I followed the [official guide](https://spring.io/guides/gs/scheduling-tasks/) from Spring and made the scheduler clas...

Mounts denied. The paths ... are not shared from OS X and are not known to Docker

The command `docker run -v /var/folders/zz/...` produces the following error. ``` docker: Error response from daemon: Mounts denied: The paths /var/folders/zz/... and /var/folders/zz/... are not sha...

27 Jan at 09:24

How to add Maven to the Path variable?

I have downloaded the [maven 3.5.0](http://apache.cs.utah.edu/maven/maven-3/3.8.4/binaries/apache-maven-3.8.4-bin.zip) from [here](https://maven.apache.org/download.cgi). I have set it in the path: ``...

3 Mar at 13:56

ServiceStack Wrapper for Bloomberg OpenFIGI

I need to make the following call to an open API ([https://www.openfigi.com/api](https://www.openfigi.com/api)) Curl Example: ``` curl -v -X POST 'https://api.openfigi.com/v1/mapping' \ --hea...

15 Jul at 15:8

C# String Interpolation on <appSettings>

I am liking the new Interpolation syntax of C#. I want to store a dynamic string in my .config file under `appSettings` and apply interpolation on it. The expected value of `interpolatedMessage` is `...

15 Jul at 12:24

How to import and use image in a Vue single file component?

I think this should be simple, but I am facing some trouble on how to import and use an image in Vue single file component. Can someone help me how to do this? Here is my code snippet: ``` <template l...

11 Aug at 07:49

phpMyAdmin access denied for user 'root'@'localhost' (using password: NO)

I am unable to connect to my MySQL in xampp I have this error: > MySQL said: Documentation > #1045 - Access denied for user 'root'@'localhost' (using password: NO) mysqli_real_connect(): (HY000/1045):...

4 Nov at 04:56

OrmLite / Servicestack: how to specify which table you want a column from when each table joined has the same column name?

I'm pretty new to these technologies and I'm having trouble with a specific issue. I have a class defined as such: ``` public class CameraDetail { public int I_id { get; set; } public strin...

PushAsync is not supported globally on iOS, please use a NavigationPage

Everything is working fine when I am handling the Tap event of a `ListView` item, but when I use this in a `TabbedPage` it shows the exception please provide a solution to this problem thanks in advan...

5 May at 15:1

nuget doesn't recognize installed packages

I have a C# project on Git that uses libraries from NuGet. Everything works fine, but when I pull on a fresh new machine and open the solution in Visual Studio it won't compile because of broken refer...

C# string.split variances

I have probably missed something very basic but this has me stumped. When using String.Split() I get different results between ``` .Split(' ') ``` and ``` .Split(new char[' ']) ``` Given this...

14 Jul at 12:55

An error occurred while retrieving package metadata for ***

This has been asked many times before. The solution (which works for me) is to delete the *** package(s) from the packages.config file (this is enough), and from the packages folder. This is a bad s...

31 Mar at 16:15

Is there a way to reconstruct a tuple to a compatible class?

Given a tuple (int, string) v and a class C { int, string }, in C#7, implementing C's Deconstruct(out int k, out string v) would allow the ff.: ``` C c = new C(); (int k, string v) = c; ``` But the...

14 Jul at 12:47

Generate yaml swagger using Swashbuckle

I have had no problem getting a `json` file in my Web API project using [Microsoft's tutorial](https://learn.microsoft.com/en-us/aspnet/core/tutorials/web-api-help-pages-using-swagger). Due to some r...

.NET Core Cookie Authentication SignInAsync not working

I have a cookie authentication based core project using the AspNetCore.Authentication.Cookies but I can't seem to make the user to authenticate. I have read similar threads but none of the solutions p...

21 Mar at 10:16