C# "anyString".Contains('\0', StringComparison.InvariantCulture) returns true in .NET5 but false in older versions
I encountered an incompatible problem while I was trying to upgrade my projects from .NET core 3.1 to the latest .NET 5. My original code has a validation logic to check invalid file name characters b...
QueryString.Add() gives "Specified method is not supported."
I am trying to modify the query string in a request filter like so: ``` public override void Execute(IRequest req, IResponse res, object requestDto) { req.QueryString.Add("foo", "bar"); } ``...
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- 5 Jan at 04:41
IEnumerable<> vs List<> as a parameter
In general I tend to use `IEnumerable<>` as the type when I pass in parameters. However according to BenchmarkDotNet: ``` [Benchmark] public void EnumeratingCollectionsBad() { var list = new List<...
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- 5 Jan at 06:11
AutoPopulate attribute not working on AutoQuery DTO
I am trying to get the new AutoPopulate attribute to work but I am having some difficulty understanding the new AutoQuery functionality. To test it out I am aiming to replace this service that is a st...
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- 4 Jan at 08:23
"ERESOLVE unable to resolve dependency tree" when installing npm react-facebook-login
Trying to install `npm react-facebook-login` in my react app, but I keep getting dependency errors? That sounds scary and I don't want to force install something that can potentially break in the futu...
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- 3 Jan at 12:30
Connect to Multiple Redis Instance using ServiceStack
I have multiple redis instances on my host (ports 6379, 6380). Currently I'm able to connect to the first instance (6379) using the setup below: ``` services.AddSingleton<IRedisClientsManager>(p => ...
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- 2 Jan at 07:21
What is ICriticalNotifyCompletion for?
I'm trying to understand how the C# async mechanisms actually works and one source of confusion is the `ICriticalNotifyCompletion` interface. The interface provides two methods: `OnCompleted(Action)`,...
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- 1 Jan at 12:4
CS0433: The type 'IHttpHandler' exists in both ServiceStack and System.Web
I have inherited a legacy ASP.NET application that I need to support whilst it is decommissioned but am finding that some of the websites will not compile due to the following error: > CS0433: The typ...
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- 31 Dec at 11:29
Getting a warning when installing homebrew on MacOS Big Sur (M1 chip)
Has anyone seen this warning while installing homebrew? What does it mean? Should I be worried? : `/opt/homebrew/bin is not in your PATH`. [](https://i.stack.imgur.com/AmI00.png) Some background info:...
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- 8 Mar at 01:17
Module not found: Can't resolve '@emotion/react'
I want to install [neumorphism-react](https://www.npmjs.com/package/neumorphism-react) package. But I got this error > Module not found: Can't resolve '@emotion/react' in 'C:\Users\Asus\Desktop\react ...
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- 22 Nov at 06:5
Is it best practice to define your entity twice in a ServiceStack solution?
In the [EmailContacts](https://github.com/ServiceStack/EmailContacts/) example, the properties of a Contact are listed in the Contact class and in the CreateContact class. (there is no UpdateContact ...
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- 28 Dec at 18:56
C# Source Generator - warning CS8032: An instance of analyzer cannot be created
I'm trying to build a Source Generator. Right now, just the most basic static method that returns "Hello World". The generator project builds, but the generated code is not available, the debugger nev...
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- 28 Dec at 15:21
Docker (Apple Silicon/M1 Preview) MySQL "no matching manifest for linux/arm64/v8 in the manifest list entries"
I'm running the latest build of the [Docker Apple Silicon Preview.](https://www.docker.com/blog/download-and-try-the-tech-preview-of-docker-desktop-for-m1/) I created the tutorial container/images and...
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- 26 Dec at 13:20
Error "Root composer.json requires php ^7.3 but your php version (8.0.0) does not satisfy that requirement"
I have an unusual error while running the `composer install` command. It requires PHP 7.3 while I have PHP 8.0.0. This question is different from [Override PHP base dependency in composer](https://sta...
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- 4 Aug at 13:7
ServiceStack based REST service gives timeout for log running process
I need to run a 1-time long-running operation (around 10 minutes) via a ServiceStack service. I run this all on my local machine with ServiceStack running on IIS and .NET 5. Now it gives a timeout and...
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- 24 Dec at 23:58
Can a Serilog.ILogger be converted to a Microsoft.Extensions.Logging.ILogger?
I have code that logs to Microsoft.Extensions.Logging.ILogger (and extension methods, mostly). I have configured Serilog to actually do the logging. I can't find a way to convert a Serilog.ILogger to ...
How to use default serialization in a custom System.Text.Json JsonConverter?
I am writing a [custom System.Text.Json.JsonConverter](https://learn.microsoft.com/en-us/dotnet/standard/serialization/system-text-json-converters-how-to?pivots=dotnet-5-0) to upgrade an old data mod...
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- 24 Dec at 01:42
React Router V6 - Error: useRoutes() may be used only in the context of a <Router> component
I have installed `react-router-dom`V6-beta. By following the example from a website I am able to use the new option `useRoutes` I have setup page routes and returning them in the `App.js` file. After ...
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- 23 Dec at 14:26
An exception occurred while iterating over the results of a query for context type. The connection is closed
I'm getting the following error during a LINQ query running > An exception occurred while iterating over the results of a query for context type. The connection is closed It's curious that this happen...
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- 18 Jul at 07:41
Is there a way to fix error: 'Xamarin.Forms recommends TargetPlatformMinVersion >= 10.0.17763.0 (current project is -1)'
I have a problem when I want to upgrade a Xamarin app from Android 9.0 to Android 10. ``` /Users/user/.nuget/packages/xamarin.forms/4.8.0.1269/buildTransitive/Xamarin.Forms.targets(5,5): Warning: Xam...
Generate query expression from a string
I am trying to map a front end query builder to a backend ORM (OrmLite). For instance, the front end might send 3 string values: `SomeField`, `=` `foo`. If I want to generate this query in the ORM I w...
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- 22 Dec at 06:36
What app.UseMigrationsEndPoint does in .NET Core Web Application Startup class
I created a new .NET Core Web Application from Visual Studio and I got this piece of code generated in startup class: ``` if (env.IsDevelopment()) { // *** app.UseMigrationsEndPoint(); // ...
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- 15 Mar at 06:5
Using HttpClient.GetFromJsonAsync(), how to handle HttpRequestException based on HttpStatusCode without extra SendAsync calls?
`System.Net.Http.Json`'s `HttpClient` extension methods such as `GetFromJsonAsync()` greatly simplifies the routine codes to retrieve json objects from a web API. It's a pleasure to use. But because o...
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- 24 Feb at 21:47
AutoMapper: Problem with mapping records type
I am mapping with automapper 10.1.1 in c# 9 from this class ``` public record BFrom { public Guid Id { get; init; } public Guid DbExtraId { get; init; } } ``` into this ``` public record ATo...
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- 20 Dec at 16:42
Java.Lang.NoClassDefFoundError when implementing firebase cloud messaging
I am implementing push notifications using Firebase Cloud Messaging, for this I added this code in my AndroidManifest.xml file ``` <!--FCM RECEIVER--> <receiver android:name="com.google.firebase.iid...
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- 2 Jan at 17:40