.Net Core Queue Background Tasks
Slender answered my original question about what happens to fire and forget, after the HTTP Response is sent, but Now I'm left with the question how to properly queue background tasks As we all kno...
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- 1 Jul at 04:51
How can I create a Memory<T> from a Span<T>?
I'm trying to overload a parsing method to use a `ReadOnlySpan<char>` parameter in addition to the `string` version. The problem is that the implementation uses a `Dictionary<string, T>` for the parsi...
Unable to start Kestrel. Failed to bind to address address already in use
I want to start a .net core application from an API that I created which is also in .Net Core too. I added `UseUrls()` function to Program.cs file so it will use a port that i want it to use. So here...
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- 2 Jul at 08:20
Regex to keep the last 4 characters of a string of unknown length using C#
I need to use a regular expression to keep the last 4 characters of a string. I don't know the length of the string so I need to start at the end and count backwards. The program is written in c#. Be...
What is the difference between app.UseHsts() and app.UseExceptionHandler()?
On the Startup.cs file of an .NET Core app, by default it make use of ``` public void Configure(IApplicationBuilder app, IHostingEnvironment env) { if (env.IsDevelopment()) { ...
Seeding ServiceStack database
In .net core projects I do my seeding inside the Program.cs file like this: ``` var host = BuildWebHost(args); using (var scope = host.Services.CreateScope()) { var services = scope.ServiceProvi...
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- 28 Jun at 17:29
Type definitions should start with a '{', expecting serialized type 'ErrorResponse', got string starting with: MOCK FOR URL NOT FOUND
I'm writing a unit test with and on a microservice. I can get a unit test of a GET route to work with one class, but with a different class it refuses to work. I'm moq'ing the `ServiceStack.JsonH...
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- 5 Nov at 20:55
ServiceStack benchmark continued: why does persisting a simple (complex) to JSON slow down SELECTs?
I would like to switch over to OrmLite, and I need to figure out if it is slow, and if so, why. In my research, I come to the conclusion that complex objects, that in OrmLite are blobbed to JSON, is ...
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- 3 Jun at 09:45
Sending mail using MailKit with Gmail OAuth
I am trying to create an application that will send emails to customers when they make a purchase. We have our own GMail account which I will be using to send the emails from. I have set up my applica...
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- 6 May at 10:37
No such table - EF Core with Sqlite in memory
I'm trying to set up my testing environment, but I have trouble with Sqlite adapter. Each created context has the same connection so, in-memory databse should be built properly for each context. Bu...
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- 28 Jun at 10:37
C# error With ExcelDataReader
Recently I was trying to build an app that can read excel files. But just after I select the excel file I get an error saying this: > 'ExcelDataReader.Exceptions.HeaderException' occurred in ExcelData...
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- 20 Jun at 09:12
Connection pooling in AWS across lambdas
We know lambdas are charged by the execution time. So now I want to connect to SQL Server DB from lambda. If I create a connection in each lambda, it would be heavy for lambda. Is there any best way ...
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- 24 Feb at 16:26
Can I clone an IQueryable to run on a DbSet for another DbContext?
Suppose I have built up, through some conditional logic over many steps, an `IQueryable<T>` instance we'll call `query`. I want to get a count of total records and a page of data, so I want to call `...
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- 28 Jun at 17:18
What should `ReadAsAsync<string>` and `ReadAsStringAsync` be used for?
What should `HttpContentExtensions.ReadAsAsync<string>` and `HttpContent.ReadAsStringAsync` be used for? They would seem to do similiar things but work in curious ways. A couple of tests and their ou...
ASP.NET Core Access User.Identity in Controller Constructor
I have a scenario where I need to access `User.Identity` Claims in my Constructor's Controller. I need this because the Claims have information required for me to spin up a custom DB Context (Connect...
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- 28 Jun at 00:29
Using ServiceStack's Funq to LazyResolve dependencies
We are using ServiceStack in a web hosted API service, and have done so for awhile now. The execution path for any request follows the pattern: Request comes in: --> Service (handles request, utili...
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- 27 Jun at 18:21
How to prevent redundant log from servicestack log4net?
I am using ASP.NET MVC and servicestack.logging I used log4net. I want to log current user wit below code: ``` private static readonly ILog Logger = LogManager.GetLogger(System.Reflection.MethodBase....
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- 27 Jun at 15:50
Outlook refuses password from CryptProtectData()
I'm developing a tool to import Outlook profiles using a PRF file but it does not import the password, so I have to manually add it to the registry. I've spent lots of hours reading, testing and debu...
Version conflict in AspNetCore
I have an Asp.Net Core 2 Mvc project. I'm currently trying to separate the data access into a separate project; however, as soon as I add the reference to the data access library, I get a version con...
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- 27 Jun at 14:52
ServiceStack.OrmLite 5.1.1: "host... does not support SSL connections"
I upgraded to version 5.1.1 of ServiceStack OrmLite (via MyGet), and when I try to open a connection to the db, I suddenly get this error: > MySql.Data.MySqlClient.MySqlException: 'The host 127.0.0.1...
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- 27 Jun at 14:6
ServiceStack.Client Server Sent Events are not processed
I have a basic Hello World console program connecting to a web server but none of my callbacks are invoked (nothing gets printed to the console). ``` using ServiceStack; using System; using System.Co...
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- 27 Jun at 13:45
ASP.net MVC core RedirectToPage error - specify root relative path error
I want to redirect to a razor page from a normal controller action like this: ``` return RedirectToPage("Edit", new { id = blogId }); ``` I have already a razor page named "Edit" which is working w...
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- 27 Jun at 10:48
SignalR Core with Redis Pub\Sub and console application
I am having Asp.Net Core 2.1 with SignalR Core 1.0.1. I have created chat application that is described here: [https://learn.microsoft.com/en-us/aspnet/core/tutorials/signalr?view=aspnetcore-2.1&tabs...
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- 27 Jun at 08:44
ASP.Net Core 2.0 mixed authentication of JWT and Windows Authentication doesn't accept credentials
I've API created in asp.net core 2.0 where I am using mixed mode authentication. For some controllers JWT and for some using windows authentication. I've no problem with the controllers which authori...
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- 20 Feb at 20:31
ServiceStack: Update<T>(...) produces 'duplicate entry'
I have tried reading the docs, but I don't get why the Update method produces a "Duplicate entry" MySQL error. The docs says > In its most simple form, updating any model without any filters will up...
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- 3 Nov at 03:18