How to get service from ValidationContext using Simple Injector?
In my Asp.Net MVC Core project I use SimpleInjector as IoC. I use it because of possibility of registering open generics. In some of my viewmodels I implement `IValidatableObject`. ``` public class ...
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- 25 Apr at 19:22
Android Webview cannot render the pdf sometimes and shows blank/white page instead
- - - I have made the sample on the pdf. The link for the project is shown below: [https://github.com/gopalawasthi123/PdfWebView](https://github.com/gopalawasthi123/PdfWebView) Hope this will help...
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- 3 May at 04:39
How to generate UUID version 4 using c#
My requirement is to generate version 4 UUID from C# code for google API session token and i am not sure `Guid.NewGuid()` method, Which version of GUID does it return. Like version Read google and b...
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- 24 Apr at 06:12
ReactJS - prevState in the new useState React hook?
I really like the new [React hooks](https://reactjs.org/docs/hooks-state.html) and I'm using them frequently for a project I'm working on. I'm coming across a situation where I want to use the in the...
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- 27 Sep at 10:38
Does asynchronous model really give benefits in throughput against properly configured synchronous?
Everybody knows that asynchrony gives you "better throughput", "scalability", and more efficient in terms of resources consumption. I also thought this (simplistic) way before doing an experiment bel...
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- 25 Apr at 22:47
Blazor page not rerendering after parameter updated
I started out with the new and the blazor client-side template (`3.0.0-preview4-19216-03`). To add state to the existing `Counter.razor` page, I added the following class: ``` public class GlobalCo...
.NET Core Difference between Hosted Service and Singleton Service
From .NET Core 2.1 onward, we can now run background tasks with [hosted service](https://learn.microsoft.com/en-us/aspnet/core/fundamentals/host/hosted-services?view=aspnetcore-2.2). I believe we co...
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- 22 Apr at 15:16
Blazor binding value to "input date" in one-way
Since Blazor doesn't support stopping event propagation I need one-way binding for an input element with `type="date"` and with an `onchange` event handler. Something like this: ``` <input type="da...
Fody is only supported on MSBuild 16 and above. Current version: 15
Visual Studio 2017 let me know there was an upgrade to Fody version 5 this morning. I accepted and did a NuGet package update of both Fody and PropertyChanged.Fody. Now, my project/solution will no ...
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- 22 Apr at 14:2
SocketException: OS Error: Connection refused, errno = 111 in flutter using django backend
I m building a flutter app with django rest-framework. The registration api is working fine in Postman but after some successful registration from the flutter app it is showing the above error. The re...
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- 21 Apr at 20:15
ACL-based API Permissions in Servicestack
I am coding a service application for my company and since fixed roles are not suitable in my case I want to establish ACL based access to my API services. The model and the database side are not my ...
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- 21 Apr at 12:22
Could not get conversion result header. Data transfer error. Data transmission error 109
I am using ["SelectPdf Html To Pdf Converter for .NET – Community Edition"](https://selectpdf.com/community-edition/) to generate pdf files. Everything is working fine on the Live server. Suddenly err...
What does the "as" keyword do?
``` if (process.env.NODE_ENV !== 'production') { (WithUser as any).displayName = wrapDisplayName(Component, 'withUser'); } ``` I'm not even sure if `as` is a keyword, but anyway, what does it do ...
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- 27 Jan at 15:18
Webp image not showing up on google Chrome via ASP.NET mvc
I have been trying to use Webp images on my website however they would show up as broken images on all browsers. I have tried a solution from [dejanstojanovic](https://dejanstojanovic.net/aspnet/201...
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- 21 Apr at 09:38
EF core DbContext in a multithreaded API application
> How can I use Entity Framework in a multithreaded .NET Core API application even though DbContext is not threadsafe? ### Context I am working on a .NET Core API app exposing several RESTful inte...
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- 20 Jun at 09:12
ASP.NET Core 3 API Ignores Authorize Attribute with Bearertoken
I´m working on a ASP.NET Core Web API. I´m using the newest version 3.0.0-preview4.19216.2. I have the problem, that my API-Controller ignores the Authorize-Attribute but on another controller the At...
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- 3 Jun at 16:41
Blazor component : refresh parent when model is updated from child component
I'm using Server-side Blazor components in ASP.NET Core 3 preview 4. I have a parent component, and child components, using the same shared model, like this : Model : ``` public class CountModel { ...
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- 22 Apr at 13:47
how to make an OPTIONS request with HttpClient
How do I send an OPTIONS request with System.Net.Http.HttpClient exposed methods for HttpClient - DeleteAsync - GetAsync - PostAsync - PutAsync - few others as well..... I was expecting a OptionsAsync
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- 4 Jun at 03:39
Deconstruction is ambiguous
I have a vector class with two deconstruction methods as follows: ``` public readonly struct Vector2 { public readonly double X, Y; ... public void Deconstruct( out double x, out double...
React Native Error: ENOSPC: System limit for number of file watchers reached
I have setup a new blank react native app. After installing few node modules I got this error. ``` Running application on PGN518. internal/fs/watchers.js:173 throw error; ^ Error: ENOSPC: Syst...
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- 5 Oct at 12:28
What is the difference between services.Configure() and services.AddOptions<T>().Bind() when loading configuration in ASP.NET Core?
In my ASP.NET Core 2.2 WebApi project, I want to load configuration from `appsettings.json` into strongly typed object. The appsettings.json has following configuration section: ``` { "MySettings1...
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- 19 Apr at 13:42
How to map IdentityServer4 Identity to any WebApp (.Net MVC Boilerplate, .Net Core Boilerplate)
I'm creating an SSO server, to centralize all users in ActiveDirectory(AD) and manage them there instead of the database of each specific application. To made this server I used IdentityServer4(Idsr4)...
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- 20 Jun at 09:12
.Net Core warning No XML encryptor configured
When I start my service (API on .Net Core 2.2 in Docker container) I've got a warning: > No XML encryptor configured. Key {daa53741-8295-4c9b-ae9c-e69b003f16fa} may be persisted to storage in une...
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- 19 Apr at 11:7
LoadSelect creating unexpected query
I'm attempting to load a date filtered list of objects that have a reference via LoadSelect. However when the query is generated to load the references it is not constructed properly and I receive a "...
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- 19 Apr at 10:34
The target process exited without raising CoreCLR started event error with .NET Core 2.2
I want to debug an empty WebApi Project based on .NET Core 2.2. I installed the "Core 2.2 SDK x86" and changed the target framework to 2.2: ``` <Project Sdk="Microsoft.NET.Sdk.Web"> <PropertyGroup> ...
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- 11 Nov at 10:22