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...
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- 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 ...
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- 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...
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- 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...
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...
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...
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- 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...
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- 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...
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- 16 Jul at 15:34
Difference between HttpModule and HttpClientModule
Which one to use to build a mock web service to test the Angular 4 app?
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- 24 Jul at 15:6
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...
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- 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...
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- 14 Nov at 12:50
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...
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- 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: ``...
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...
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- 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 `...
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- 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...
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):...
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- 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...
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- 15 Jul at 23:32
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...
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- 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...
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- 27 Jul at 11:10
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...
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- 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...
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...
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...
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- 18 Feb at 10:46
.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...
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- 21 Mar at 10:16