What's the real difference between Alternate Key and HasIndex with uniqueness in EF core?
I'm intrested in what is the real difference between this ``` e.HasIndex(c => new { c.UserId, c.ApplicationId, c.Value }).IsUnique(); ``` and this ``` e.HasAlternateKey(c => new { c.UserId, c.Appl...
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- 4 Feb at 12:45
IdentityBuilder does not contain a definition for 'AddEntityFrameworkStores
I am using .netcore 3.1. While using the following code: ``` using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using Microsoft.AspNetCore.Builder; using ...
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- 2 Oct at 21:45
How to set value with NX option and expire using ServiceStack.Redis?
I'm using ServiceStack.Redis to execute commands on REDIS. I would like to simply set value with expire and NX option (which is : set only if not exists). The problem is that ServiceStack.Redis cl...
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- 4 Feb at 11:53
Add optional content in dotnet new templates in non c# files
I want to modify the content of README.md based on what the developer selects when creating a c# solution from the template. How do I do it? I know that you can define ``` "symbols": { "EnableC...
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- 4 Feb at 11:15
Running multiple ASP.NET Core (3.1x/Latest) websites on port 80 with Kestrel
I'm using (ASP).NET Core (3.1x), C#, Blazor and Microsoft Kestrel Web-server and I'm wondering if I can run 2 or 3 different websites (domain names) on one Kestrel instance and on port 80. I would rea...
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- 4 May at 14:23
Why is "using System;" not considered bad practice?
I have a C++ background and I do fully understand and agree with the answers to this question: [Why is “using namespace std;” considered bad practice?](https://stackoverflow.com/q/1452721/9883438) S...
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- 5 Feb at 09:43
Hosting ASP.NET Core API in a Windows Forms Application
Background: I am working on a project that involves a WinForms app. The client wants to expose a local-only HTTP server to allow other apps to trigger functionality on a running instance of the WinFor...
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- 3 Feb at 20:45
warning NETSDK1080: A PackageReference to Microsoft.AspNetCore.App is not necessary when targeting .NET Core 3.0 or higher
How do I fix the nasty warning I'm getting when running .NET Core tests from a command line via `dotnet test`? The `dotnet --version` returns back `3.1.101`. > ``` $ dotnet test watch : Started C:\P...
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- 2 Feb at 23:9
ServiceStack: Running "web new web-corefx ProjectName" creates a .NET Framework 4.x project
After reading [Servicestack web pages](https://docs.servicestack.net/web-new), I come to the conclusion that running the following command would create an (ASP).NET Core web project: `web new web-cor...
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- 2 Feb at 22:14
Using private repo for ServiceStack X or web global tool
Is there a way to use private repo for custom .NET core templates and use them with X and web global tools provided by ServiceStack?
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- 2 Feb at 21:24
How is this C# dictionary initialization correct?
I stumbled upon the following and I'm wondering why it didn't raise a syntax error. ``` var dict = new Dictionary<string, object> { ["Id"] = Guid.NewGuid(), ["Tribes"] = new List<int> { 4, 5 ...
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- 3 Feb at 10:7
How to add controller (not view) support to a server-side Blazor project
While my server-side Blazor app is running, I want some Javascript code in `_Host.cshtml` to be able to post data to a controller action. Of course, this happens completely outside of the scope of, an...
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- 2 Feb at 01:24
ServiceStack.Redis Unable to connect to Digitalocean managed redis instance
Recently I started converting a job processor from Node.js to .net core and have chosen to use ServiceStack.Redis to manage the connection to Redis. Annoyingly I can't get it to connect to the manage...
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- 1 Feb at 18:50
ASP.NET Core 3.1 : Shared Localization not working for version 3.1
I may be not doing the correct configurations in the `Startup.cs` file. I have created a demo application to make it working, but after trying various things it is not working. The demo repository is ...
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- 24 Sep at 16:39
C# ServiceStack post Deadlock
I am calling an API many times per second. Its causing deadlocks. Can anyone propose a solution to solving this? I am running .netcore 2.2 MVC service ``` public async Task Post(DeviceEndpointInsert...
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- 1 Feb at 02:27
Play sound on the client in Blazor?
I have a server-hosted Blazor application, and I'm trying to figure out how to play a sound on the client side when clicking a button (without touching JavaScript, ugh). What I've tried: ```csha...
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- 2 May at 02:47
Directory.GetFiles doesn't pick up all files
I have some code that is meant to get files in a directory, which is simple enough ``` foreach (var Totalfile in new DirectoryInfo(rootfolder).GetFiles("*Totals*.csv", SearchOption.TopDirectoryOnly))...
ERROR: Loading local data is disabled - this must be enabled on both the client and server sides
I don't understand the responses that others have provided to similar questions except for the most obvious ones, such as the one below: ``` mysql> SET GLOBAL local_infile=1; Query OK, 0 rows affecte...
CentOS 8 - yum/dnf error: Failed to download metadata for repo
On my CentOS 8 server, many `dnf` and `yum` commands fail with this error: > Failed to download metadata for repo This seems to apply only to repositories involving https connections, e.g.: ``` /et...
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- 9 Jun at 11:50
The injection point has the following annotations: - @org.springframework.beans.factory.annotation.Autowired(required=true)
I am new to Spring Boot and I'm getting the following error when writing a file upload API: ``` Error:Description: Field fileStorageService in com.primesolutions.fileupload.controller.FileController...
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- 30 Jan at 21:40
AttributeError: 'DataFrame' object has no attribute 'ix'
I am getting this error when I try to use the .ix attribute of a pandas data frame to pull out a column, e.g. `df.ix[:, 'col_header']`. ``` AttributeError: 'DataFrame' object has no attribute 'ix' ```...
TypeScript React.FC<Props> confusion
I am learning TypeScript and some bits are confusing to me. One bit is below: ``` interface Props { name: string; } const PrintName: React.FC<Props> = (props) => { return ( <div> <p sty...
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- 28 Jan at 12:23
Registering displayName with ServiceStack's ServerEventsClient before invoking Start
I am developing a small chat implementation in my app and I want to be notified when someone has joined/left the channel and who that person is. On the client side I am listening to `OnJoin` and `OnL...
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- 30 Jan at 13:18
Using MapFallbackToController endpoint works locally with iis express & kestrel, uses the fallback instead of a higher priority route on IIS
After switching from .net core 2.2 to 3.0 and then 3.1 locally we switched to endpoint routing. I have the following routes : ``` app.UseEndpoints(endpoints => { // Using this fo...
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- 5 Feb at 09:35
How implement Push Notifications firebase xamarin.ios c#
I'm developing an application that works on the iPhone through the xamarin.ios with firebase backend. I want , but I couldn't, I want that code in AppDelegate.cs
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- 30 Jan at 15:14