Questions

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...

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 ...

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...

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...

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))...

31 Jan at 08:38

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...

10 Mar at 12:40

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...

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...

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' ```...

2 Mar at 19:28

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...

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...

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...

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

Running a query over http using servicestack ormlite

I have an app running in the browser. The client is fetching data from the server using .net core WEBAPI. normal REST requests. Something like a criteria parser... I wonder if there is a way to pass...

30 Jan at 13:36

Error: Failed to launch the browser process puppeteer

checked failed crashForExceptionInNonABIComplianceCodeRange the code below its functon is to create PDF file ``` (async function() { try { const browser = await puppeteer.launch(); ...

30 Jan at 04:42

Using memory maps with a service

I built an application that can also be ran as a service (using a `-service`) switch. This works perfectly with no issues when I'm running the service from a command prompt (I have something set up t...

Why can I declare a child variable with the same name as a variable in the parent scope?

I wrote some code recently where I unintentionally reused a variable name as a parameter of an action declared within a function that already has a variable of the same name. For example: ``` var x =...

29 Jan at 18:48

SharpScript .ss file works to connect to database, but same code doesn't work when served to local web-browser?

I have a SharpScript .ss script file with some small code that polls a database and formats things to display. The output is getting too unruly for command line output so I wanted to generate html and...

29 Jan at 15:51

Servicestack Ormlite - weak / generic reference (like ReferencesAny in nhibernate)

In nHibernate you can declare a column as `object` and map it as weak reference: ``` public virtual object TableRef{get;set;} // then in the fluent mapping: ReferencesAny(x => x.TableRef) ``` How ...

How to switch ApartmentState of a thread that has already been started

I'm using ServiceStack's SSE feature in WPF as a chat mechanism. I have registered OnMessage method and in it I am creating a chat message view after receiving the appropriate message from server. I'm...

How to use GroupBy in an asynchronous manner in EF Core 3.1?

When I use GroupBy as part of a LINQ query to EFCore, I get the error `System.InvalidOperationException: Client-side GroupBy is not supported`. This is because EF Core 3.1 attempts to evaluate queri...

Nested Classes with Typescript and ServiceStack

We are using [typescript-ref](https://docs.servicestack.net/typescript-add-servicestack-reference#simple-command-line-utilities-for-typescript) to generate the dtos.ts file. The issue is that the resp...

29 Jan at 08:27

How to add an appsettings.json file to my Azure Function 3.0 configuration?

The new Azure Function 3.0 SDK provides a way to implement a Startup class. It gives access to the collection of services that are available by dependency injection, where I can add my own components ...

Using IAsyncEnumerable with Dapper

We have recently migrated our ASP.NET Core API which uses `Dapper` to .NET Core 3.1. After the migration, we felt there was an opportunity to use the latest `IAsyncEnumerable` feature from `C# 8` for ...

JWT bearer token Authorization not working asp net core web api

I created a web api that uses JWT tokens for authorization with a role based policy (based on [this](https://jasonwatmore.com/post/2019/10/16/aspnet-core-3-role-based-authorization-tutorial-with-exa...