How to get unique file identifier from a file
Before you mark this question as duplicate please read what I write. I have checked many questions in a lot of pages for the solution but could not find anything. On my current application I was using...
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- 15 Mar at 10:35
Unreachable code, but reachable with an exception
This code is part of an application that reads from and writes to an ODBC connected database. It creates a record in the database and then checks if a record has been successfully created, then return...
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- 23 Mar at 15:18
NullReferenceException with Nullable DateTime despite null check
`GetTodayItemCount()` attempts to get today's item count using `CreatedDtt` in the `Items` model. Because `CreatedDtt` is a Nullable Datetime (`DateTime?`), I use a ternary operator within the `Where`...
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- 12 Mar at 01:0
Handling Model Binding Errors when using [FromBody] in .NET Core 2.1
I am trying to understand how I can intercept and handle model binding errors in .net core. I want to do this: ``` // POST api/values [HttpPost] public void Post([FromBody] Thing value) ...
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- 11 Mar at 11:7
Separate title string with no spaces into words
I want to find and separate words in a title that has no spaces. Before: > ThisIsAnExampleTitleHELLO-WORLD2019T.E.S.T.(Test)"Test"'Test'[Test] After: > This Is An Example Title HELLO-WORLD 2019 T....
Cannot resolve scoped service
I have problem with understanding source of errors in my code. I try to get throw course about microservices in .net core. After running build solution I get: ``` ------- Project finished: CrossX.Ser...
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- 10 Mar at 16:18
Servicestack is sending me an error when using GET for Auth
I am getting an error in the JSON JWT Auth. GET Authenticate requests are disabled, to enable set AuthFeature.AllowGetAuthenticateRequests=true This worked a few days ago and I cannot figure out wha...
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- 9 Mar at 17:58
JSON Web Token Servicestack API
I have configured the JSON Web Token in the following way (Among others). ``` Plugins.Add(new AuthFeature(() => new AuthUserSession(), new IAuthProvider[] { new JwtAuthProvider(appS...
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- 9 Mar at 07:30
Can optimised builds and JIT compilation create problems when modifying a variable through a Span<T>?
Suppose I use `MemoryMarshal.CreateSpan` to access the bytes of a local value type, for example the following (not very useful) code: ``` using System; using System.Runtime.InteropServices; // names...
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- 8 Mar at 20:10
Mocking a CloudBlockBlob and have it return a stream
I'm trying to Moq an Azure `CloudBlockBlob` and have it return a `Stream` so that I can test whether my `BlobStorage` repository is handling the output correctly. But somehow the returned stream is a...
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- 30 Mar at 16:18
appsettings with special characters in .NET Core
I have a small .NET Core console app which has an `appsettings.json` file containing different configuration sections and some of the values contain accents (for example `á` or `ó`). When I parse a g...
ServiceStack - array inside dictionary deserialized to string
I have a `DT0` that has the following property ``` public Dictionary<string,object> Parameters {get;set;} ``` Now the challenge I have is that if I add an array to the `Parameters` it will be dese...
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- 6 Mar at 13:54
"System.Numeric.Vectors" error when I send int with 4 digits
I'm making a web service with ServiceStack, between its libraries he use System.Numeri.Vectors. I have a rare problem, the WS's request has a property int? (int nullable), everything works perfect unt...
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- 6 Mar at 12:36
Availability of HttpClientFactory for Azure Functions v2
I want to know if HttpClientFactory or similar is available for Azure Functions v2. Below is what is recommended, but HttpClientFactory or similar is not shown. ``` // Create a single, static HttpC...
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- 6 Mar at 13:35
Selenium.WebDriver.ChromeDriver - chromedriver.exe is not being publishing for netcore2.2 target framework
I installed nuget package - Selenium.WebDriver.ChromeDriver 2.46.0.. When I publish (through dotnet publish .Net CLI command) .csproject (target framework - netcore2.2) the chromedriver.exe is not bei...
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- 5 Mar at 18:27
Type system oddity: Enumerable.Cast<int>()
Consider: ``` enum Foo { Bar, Quux, } void Main() { var enumValues = new[] { Foo.Bar, Foo.Quux, }; Console.WriteLine(enumValues.GetType()); // output: Foo[] Console.Write...
Partial updates with PopulateWithNonDefaultValues overwrites null fields in sub classes
I have a class "company" that contains a sub class "address". "Address" contains a field "city" and a field "postalcode". Both nullable (strings). I have an existing company with both fields in the a...
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- 5 Mar at 09:25
Can you use Nameof, or another technique, to embed a procedure name in a code comment dynamically?
The following comment line becomes inaccurate if the name of SampelSubName gets changed. 'This is a code comment about SampleSubName.
Customize Login Page design for Authentication type : Individual User account ASP.NET core 2.1, MVC, c#
I'm trying to implement OAuth2.0 for my web application. I have done that following [this](https://learn.microsoft.com/en-us/aspnet/core/security/authentication/social/index?view=aspnetcore-2.2) link....
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- 21 Jan at 23:3
What sort of unit does NetTopologySuite return distances in, and how can I convert it to miles/km?
Whenever I use FreeMapTools to calculate the distance between myself and my friends postcode, it gives me the following: - - [](https://i.stack.imgur.com/D3NNf.png) [](https://i.stack.imgur.com/RNu...
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- 4 Mar at 20:40
Error 500.19 with 0x8007000d when running ASP.NET Core app in IIS despite AspNetCoreModule being installed
I have an ASP.NET Core app that runs great in IIS Express. Similarly, if I launch the app from the command line via `dotnet run`, everything works smoothly: ``` C:\Code\Sandbox\IisTestApp\IisTestApp...
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- 16 Jun at 01:24
Parsing a JSON file with .NET core 3.0/System.text.Json
I'm trying to read and parse a large JSON file that cannot fit in memory with the new JSON reader `System.Text.Json` in .NET Core 3.0. The example code from Microsoft takes a `ReadOnlySpan<byte>` as ...
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- 25 Nov at 23:21
Disable Get Keyword in Servicestack Login
Currently in auth/login, you can use any Get. How do I restrict GET keyword for certain built in services. We had a pentest finding stating that auth/login should not be allowed via the Get keyword ...
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- 4 Mar at 08:32
RangeError (index): Invalid value: Valid value range is empty: 0
I am trying to fetch a list from API that is two methods fetchImages and fetchCategories. the first time it is showing a red screen error and then after 2 seconds automatically it is loading the list....