How are primitive data types made in C#?
How do `System.float`, `System.int` and other primitives types work? I never understood how it was possible to make primitives structs and I wonder if I could make my own numeric type.
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- 20 Nov at 22:28
$project or $group does not support <document>
I'm trying to run aggregate with projection but i get `NotSupportedException: $project or $group does not support <document>`. I am running version 2.4.4 of driver with mongodb v3.4. ``` var filter =...
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- 28 Dec at 10:1
Entity framework Core : property setter is never called (Violation of encapsulation?)
In both EF Core and EF6, invoking the getter of the property 'Date' (see below) gives the correct value, however notice the slight difference between the two : in EF Core the setter is never called! ...
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- 19 Nov at 22:44
How does deferred LINQ query execution actually work?
Recently I faced such question: `What numbers will be printed considering the following code:` ``` class Program { static void Main(string[] args) { int[] numbers = { 1, 3, 5, 7, 9 };...
Servicestack include _Layout.cshtml in Razor Content Page
How can I include _Layout.cshtml in Razor Content Page ? For example I created two cshtml files in root of my project. First file is _Layout.cshtml ``` <!DOCTYPE html> <html> <head> <meta char...
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- 19 Nov at 05:48
ServiceStack AppHost().Init() throws ArgumentException
my problem is that `AppHost().Init()` throws `System.ArgumentException` with `Expression of type 'System.Int32' cannot be used for return type 'System.Object'`. Stack trace says ``` at System.Linq.Ex...
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- 18 Nov at 22:21
Dependency injection duplication in Controller and BaseController in .Net Core 2.0
If I create a BaseController in my Asp.Net Core 2.0 web application that capsulizes some of the common dependencies are they still necessary in the actual controllers. For Example, the standard Accou...
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- 19 Nov at 02:55
kubectl apply vs kubectl create?
What I understood by the documentation is that: - ``` kubectl create ``` - ``` kubectl replace ``` - ``` kubectl apply ``` [Reference](https://kubernetes.io/docs/user-guide/kubectl-overview/) 1. Why...
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- 19 Jan at 07:59
Deserialize CSV with CustomHeaders using ServiceStack.Text: not working?
consider following class: ``` class Foo { public string bar { get; set; } public string rab { get; set; } public override string ToString() { return string.Format("[Foo bar={...
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- 17 Nov at 23:52
HttpContext in .net standard library
I am working on couple of projects one of which is an `ASP.NET 4.5` application and other one is `.Net Core API 1.1` project. The asp.net application is using `HttpContext` classes to read cookies and...
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- 17 Nov at 19:23
How do I format {{$timestamp}} as MM/DD/YYYY in Postman?
In Postman, the [dynamic variable](https://www.getpostman.com/docs/postman/environments_and_globals/variables#dynamic-variables) `{{$timestamp}}` inserts the current [Unix Time Stamp](https://www.unix...
Visual Studio Code doesn't format C# code
I created a new file, set the C# language, and wrote some code. Then I pressed + + (or → ). And got I the error > Sorry, but there is no formatter for 'csharp'-files installed. Also, I installed...
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- 13 Jun at 10:34
bash : cd : too many arguments
if i need to go to my directory named as"exception handling" then i write (cd exception handling) but it gives error too many arguments
Is there an equivalent to "HttpContext.Response.Write" in Asp.Net Core 2?
I'm trying to append some HTML and Javascript content on page using ActionFilter in Asp.Net Core 2. In MVC, it's working with ``` filterContext.HttpContext.Response.Write(stringBuilder.ToString()); ...
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- 1 Feb at 13:9
How to fix 'Microsoft.NETCore.App', version '1.1.2' was not found?
I am seeing this error when I try to run unit tests: > Testhost process exited with error: It was not possible to find any compatible framework version The specified framework 'Microsoft.NETCore....
ServiceStack.Redis Service availability
I am trying to figure out how check the availability of the Redis Client. The simple action of calling the client, will give me this information? Is there a better method? ``` private RedisManagerPoo...
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- 17 Nov at 10:20
Ninject.MVC5 not generating NinjectWebCommon.Cs
I'm developing a MVC5 project on Visual Studio 2017 Version 15.4. I'm getting unexpected result here what I never faced before. I've installed `Ninject.MVC5` package from `nuget`. It's installing nice...
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- 17 Nov at 10:19
How to add CORS request in header in Angular 5
I have added the CORS in header but I am still getting the CORS issue in my request. What is the correct way to add and handle CORS and other requests in the headers? Here is service file code: ``` ...
How to draw checkbox or tick mark in GitHub Markdown table?
I am able to draw checkbox in Github README.md lists using ``` - [ ] (for unchecked checkbox) - [x] (for checked checkbox) ``` But this is not working in table. Does anybody know how to implement che...
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- 20 Jan at 20:29
Using "npm run build" fails with "npm ERR! missing script: build"
How can I fix this error, I'm running Windows 10 When i try to on the cmd i get this error ``` C:\Users\anai_> npm run build npm ERR! missing script: build ``` Here is the log of the run ``` 0 info ...
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- 21 Dec at 22:13
"Cannot find name 'IPost'" ServiceStack TypeScript DTOs for Auth Service
I created my Auth Server using the following ServiceStack code: ``` Plugins.Add(new AuthFeature(() => new CustomUserSession(), new IAuthProvider[] { new JwtAuthProvider { ...
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- 17 Nov at 01:8
Testing Polly retry policy with moq
I'm trying to write a unit test for polly, but it looks like the return is cached. Method PostAsyncWithRetry: Test: Not sure why, but it looks like the responses queue is only being Dequeue once, this...
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- 17 Jul at 08:43
Why does using ServiceStack JwtAuthProviderReader add auth endpoints to my resource API?
I have set up an authentication server that issues JWT Tokens. I now have setup my first resource service that will authenticate/authorize using the bearer token provided in a request. This service i...
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- 17 Nov at 00:33
Pandas: ValueError: cannot convert float NaN to integer
I get for following: ``` df = pandas.read_csv('zoom11.csv') df[['x']] = df[['x']].astype(int) ``` - - - - - - Update: Using the hints in comments/answers I got my data clean with this: ``` # x cont...
Angular Material: mat-select not selecting default
I have a mat-select where the options are all objects defined in an array. I am trying to set the value to default to one of the options, however it is being left selected when the page renders. My t...
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- 4 Feb at 17:20