Enum value in tuple using ServiceStack Ormlite throws null reference exception
I get "Object reference not set to an instance of an object" when using the Tuple notation with an Enum in the return structure. If I change the type in the tuple from Enum type to string it works a...
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- 9 Nov at 14:40
OrmLite - GUIDs as primary keys in Oracle
I'm using OrmLite with both SqlServer, Oracle and PostgreSQL dialects. I want to use GUIDs as primary keys and have a simple object, using the AutoId attribute: ``` public class MyObject { [Auto...
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- 8 Nov at 22:57
Why does Exception from async void crash the app but from async Task is swallowed
I understand that an `async Task`'s Exceptions can be caught by: ``` try { await task; } catch { } ``` while an `async void`'s cannot because it cannot be awaited. But why is it that when the asyn...
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- 8 Nov at 20:22
How can I force a component to re-render with hooks in React?
Considering below hooks example ``` import { useState } from 'react'; function Example() { const [count, setCount] = useState(0); return ( <div> <p>You c...
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- 23 Mar at 09:8
Windows Forms application option seems to be missing?
I'm learning how to design a Windows Forms Application in Visual Studio 2017. The tutorial asks me to create a new project using the File -> New -> Project option and selecting 'Windows Forms Applicat...
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- 18 Apr at 12:43
Equivalent to App.config transforms for .NET Core?
I'm writing a .NET Core console application ( an ASP.NET Core web application). In .NET Framework I would have an `App.config`, and `App.Debug.config`, and an `App.Release.config` file, the latter 2 ...
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- 8 Nov at 13:39
Delegate instance allocation with method group compared to
I started to use the method group syntax a couple of years ago based on some suggestion from ReSharper and recently I gave a try to [ClrHeapAllocationAnalyzer](https://github.com/Microsoft/RoslynClrHe...
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- 9 Nov at 08:59
Apply digital signature to office-vba-macros with C#
After searching for a while on the internet which produced no success I will ask here. Some posts in the internet say that it's not possible to apply a digital signature to a VBA-Macro inside an Excel...
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- 12 Aug at 21:6
Using List<string> type as DataRow Parameter
How can we pass a `List<string>` to a `DataRow` parameter in `[DataTestMethod]` I am trying something like: ``` [DataTestMethod] [DataRow(new List<string>() {"Iteam1"})] [TestCategory(TestCategories...
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- 8 Nov at 00:40
.NET EF Core Get DbContext from IQueryable argument
I have an `IQueryable` extension method: and I would like to know if there is some way to get DbContext from query so that DbContext argument could be removed leaving only: but that's not what I need....
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- 6 May at 10:36
How HttpContext RESPONSE END in ASP.NET Core
I want use mvc `System.Web.HttpContext.Current.Response.End();` but trying in mvc core 2 with this code: But end(); doesn't work mvc core dont exits
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- 6 May at 07:19
Memory limitted to about 2.5 GB for single .net process
I am writing `.NET` applications running on Windows Server 2016 that does an http get on a bunch of pieces of a large file. This dramatically speeds up the download process since you can download the...
How to post a message via Slack-App from c#, as a user not App, with attachment, in a specific channel
I can not for the life of me post a message to another channel than the one I webhooked. And I can not do it as myself(under my slackID), just as the App. Problem is I have to do this for my company, ...
Why should I use SerializeField?
I have just started to learn C# and Unity, and there is one thing that I can not get used to: Why and when should I use `[SerializeField]`? Is it bad to leave variables hard coded despite using `[Seri...
No Creators, like default construct, exist): cannot deserialize from Object value (no delegate- or property-based Creator
I am trying to consume an API using Retrofit and Jackson to deserialize. I am getting the onFailure error `No Creators, like default construct, exist): cannot deserialize from Object value (no delegat...
Adding Serilog ILogger to a static class
I'd like to add a Serilog `Log` to a static class in my program like this (`DataHelper` is the class name): ``` private readonly ILogger _log = Log.ForContext<DataHelper>(); ``` But this leads to t...
Random Selenium E2e Tests Fail because of timeouts on Azure DevOps but work locally and with remote Selenium (BrowserStack Automate)
I've got a suite of Selenium tests that work perfectly in my local environment and using Browserstack Automate, but fail on Azure DevOps. There are no configuration or setting changes when running ...
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- 20 Nov at 14:30
How to catch ASP.NET Core 2 SignalR exceptions on server-side and handle them on client side with JavaScript?
Context: There are differences between ASP.NET SignalR and ASP.NET Core SignalR you can read [here](https://learn.microsoft.com/en-us/aspnet/core/signalr/version-differences?view=aspnetcore-2.1). As...
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- 19 Mar at 19:26
For a .Net Core 2.1 project, Why does Nuget restores .Net 4.6.1 packages?
If a package is not available for .Net Core `Install-Package` > Install-package command, why does Visual Studio even, restores .Net 4.6.1 version, just to give a runtime error at later stages! I'm...
Problem understanding covariance contravariance with generics in C#
I can't understand why the following C# code doesn't compile. As you can see, I have a static generic method Something with an `IEnumerable<T>` parameter (and `T` is constrained to be an `IA` interfa...
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- 2 Dec at 07:56
C# how to check for null. (value is null) or (null == value). Can we use `is` operator instead of == operator
C# how to check for `null`. `(value is null)` or `(null == value)`. Can we use `is` operator instead of `==` operator? C# 7.0 supports const pattern with `is` operator. So we can use `is null` for al...
How to start an async method without await its completion?
Sometimes I need to start an async job which works very slow. I don't care if that job success and I need to continue working on my current thread. Like sometimes I need to send an Email or SMS which ...
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- 15 Feb at 08:18
How can I await a minimum amount of time?
I have an async C# method where I am getting an HTTP resource, and I am doing it in an infinite loop. However I don't want to hit the resource too quickly. My current code is: ``` HttpClient http =...
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- 7 Nov at 00:16
Auto-saving files upon changes with Visual Studio Code
I have used [WebStorm](https://en.wikipedia.org/wiki/JetBrains#WebStorm) from JetBrains for almost four years now. It's a fantastic IDE for many reasons, but one of the best features is that it saves ...
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- 21 Jun at 21:27
How to unit test a custom JsonConverter
I have a json payload that I want to deserialize in a non-trivial way. ``` { "destinationId": 123 } ``` The target class is ``` public class SomeObject { public Destination Destination { get; ...
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- 22 Oct at 11:31