Find longest string in Datatable column

I would like to know If It's possible to create a "one-line" Linq to retrieve longest string value of specific Datatable column, meaning that all column data (numbers, dates,strings...) should be conv...

15 Apr at 07:38

Failed to launch emulator: Error: Emulator didn't connect within 60 seconds

I'm unable to debug using VSCode for Flutter. I'm using Windows and I'm trying to use an Android emulator. I have attempted to reinstall Flutter, Android SDK and VSCode to fix the issue, as well as tr...

What's the recommended way to deal with leaked IAsyncDisposable instances?

I've been familiarizing myself with some of the things (that are planned to be) added in C# 8 & .NET Core 3.0, and am unsure on the correct way to implement [IAsyncDisposable](https://learn.microsoft....

Where did IMvcBuilder AddJsonOptions go in .Net Core 3.0?

I've just upgraded my ASP web API project from .`Net core 2.0` to `3.0`. I was using ``` services.AddMvc() .AddJsonOptions(options =>options.SerializerSettings.ContractResolver ...

Require cycles are allowed, but can result in uninitialized values. Consider refactoring to remove the need for a cycle

I am receiving this warning message in my chrome console for my react-native project. Do you have any idea why I am getting this? This is the complete message: > Require cycle: node_modules/react-na...

13 Apr at 10:54

How To Solve KeyError: u"None of [Index([..], dtype='object')] are in the [columns]"

I'm trying to create a SVM model from what I found in github [here](https://github.com/reshu-b7/Sign-Language-Glove), but it keeps returning this error. ``` Traceback (most recent call last): File ...

12 Apr at 16:41

Creating an Azure ServiceBus Queue via code

Apologies, I'm new to Azure. I created a service bus and queue via the Azure portal using this [tutorial](https://learn.microsoft.com/en-us/azure/service-bus-messaging/service-bus-quickstart-portal). ...

Adding pdfium.dll to visual studio

For the application that I am making, I need to make use of the Pdfiumviewer package, which in turn requires you to add Pdfium itself, which is made available by Google. There is a "tutorial" on how t...

12 Apr at 07:28

Is it possible to set the Default Content-Type to "application/json;v=2.0"

Is it possible to set the Default Content-Type to "application/json;v=2.0". I say default because I'm using a HttpClient class and I use the DefaultRequestHeaders to set my proxies to default values. ...

17 Mar at 05:56

Is there a way to avoid X-Frame-Options in a CEF Windows Chromium Desktop App?

I created a simple app using the suggested "app init", then I dropped a pre-compiled ReactApp in place. The app has a browser within it that uses an IFrame to host the navigated pages, but in some pag...

Assembly location for Razor SDK Tasks was not specified

My project fails to build on a build server. I recently added a new ASP.Net Core (2.2) MVC project with razor pages. The project and the rest of the solution target the .Net Framework 4.7.2. In Visua...

Removing element from SortedSet in C#

I'm trying to remove an element from a Redis Sorted list without success ``` public bool Delete(int id) { try { var redisManager = new RedisManagerPool...

11 Apr at 13:3

go mod: cannot find module providing package

I am creating a go project with version 1.12.1. If I run `GOPATH="$(pwd)/vendor:$(pwd)" GOBIN="$(pwd)/bin" go clean` I get the following error: ``` can't load package: package github.com/marvincaspar...

11 Apr at 14:1

How to fix 'Unable to determine the relationship represented by navigation property' error in Entity Framework

When I try to register a user on my .NET Core 2.1 website (using identity) I get the following error: > "InvalidOperationException: Unable to determine the relationship represented by navigation prope...

12 Apr at 07:57

Uncaught Invariant Violation: Rendered more hooks than during the previous render

I have a component that looks like this (very simplified version): ``` const component = (props: PropTypes) => { const [allResultsVisible, setAllResultsVisible] = useState(false); const ren...

10 Apr at 23:45

How to serialize Dapper row to json

**Question** We have a Dapper Row as a result from a Dapper Query, which I want to store as a json string in our database. Unfortunately, I can't seem to get that to work. So, let's start with some ba...

6 May at 20:36

Get Child Component binded values in Parent Component in Blazor

Lets Say Child Component called cinput.cshtml is ``` <input type="text" bind="@username"> @functions{ string username; } ``` and Parent Component called pform.cshtml ``` <cinput></cinput> <input...

9 Apr at 21:45

Conversion failed,when using AutoQuery in ServiceStack

I have the following AutoQuery function. ``` [Route("/cars/search")] public class SearchCars : QueryDb<Car, CarDto> { public List<int> EquipmentIds { get; set; } public List<int> Manufacturer...

9 Apr at 20:27

How to fix No connection could be made because the target machine actively refused it 127.0.0.1:64527

I have an MVC application which depends on a web API application, I hosted the two on a shared hosting environment. API on the subdomain and MVC on the main domain the API is api.mydomain.com and the ...

AutoQuery with ResponseDTO in ServiceStack

I have created an AutoQuery function in my API with the use of the following code. ``` [Route("/cars/search")] public class SearchCars : QueryDb<Car, CarDto>, IJoin<Car, Equipment, Colour, FuelType...

9 Apr at 19:39

Get request with multiple inputs in ServiceStack API

I am creating a endpoint that accepts multiple parameters. I was wondering what the proper way of doing this in ServiceStack is, as I know that the routes can be defined like this: ``` [Route("/Ca...

9 Apr at 17:52

Shutdown .Netcore IHostedService as Console App

I have built Generic Host (IHostedService) in .netcore 2.2. I am running HostBuilder as RunConsoleAsync(). RunConsoleAync() will wait for Ctrl + C to close application. I want to close console app as ...

9 Apr at 09:50

Formik - How to reset form after confirmation

In [Formik](https://github.com/jaredpalmer/formik), how to make the Reset button reset the form only ? My code below still resets the form even when you click Cancel. ``` var handleReset = (values, ...

9 Apr at 01:19

InvalidDataException: Multipart body length limit 16384 exceeded

I am attempting to upload a `multipart/form-data` with a file and a JSON blob using Postman to an ASP.NET Core 2.2 `APIController` and stream the file to a temporary file on the disk instead of full...

ServiceStack Identity Server plugin keeps redirecting infinitely after authorize endpoint

I'm trying to integrate `ServiceStack.Authentication.IdentityServer` plugin with an Identity Server 4. When calling the protected ServiceStack endpoint from browser, the browser redirects to the auth...

8 Apr at 14:44