Why is Memory Usage section disabled in performance profiler?

I would like to run Memory Usage session or Object Allocation (preferable both) but I have only available types CPU Usage and GPU Usage. VS does not show any hint while given section is disabled. I t...

Is there a way I can return more than one integer from a method?

I have a method like this: ``` private double GetHeight() { return 2; } ``` But I would like to be able to return two different numbers for example 2 and 3. Is there any way that I can do this ...

8 Apr at 08:54

System.Web.Http missing in .net Core 2.1

System.Web.Http is missing in my .net core 2.1 project. the error states > Error CS0234 The type or namespace name 'Http' does not exist in the namespace 'System.Web' (are you missing an assembly r...

Table alias lost when using joins with SqlExpressionSelectFilter

I have a situation where records should be excluded depending on a value in a related table. When using joins with SqlExpressionSelectFilter the generated SQL will not use table alias for part of the ...

8 Apr at 06:47

C# Dynamic Linq: Implement "Like" in The Where Clause

So I want to make a general sorter for my data. I have this code to get data from the database which will extract the data only which contains `value`. ``` using System.Linq.Dynamic; public static I...

How to register event with useEffect hooks?

I am following a Udemy course on how to register events with hooks, the instructor gave the below code: ``` const [userText, setUserText] = useState(''); const handleUserKeyPress = event => { ...

CsvSerializer.SerializeToCsv returns empty strings serializing generic List of custom objects

I'm trying to parse a generic list of custom class to csv string using ServiceStack.Text.CsvSerializer.SerializeToCsv(). All seems to work fine, but returns only empty lines for each instance of obje...

7 Apr at 19:53

What's the point of multiple SaveChanges inside an entity-framework-core transaction?

I'm using EF for my .net-core application and I'm wondering what is the difference between calling `SaveChanges` multiple times during a transaction and only calling it once before committing. To bett...

How do you format a number to currency when using React native Expo?

How do I take a number like `10000` and have it output as `$10,000.00`? I even had a problem with `String.format(...)` with a `Not a function` error. I followed numerous articles, all incomplete and n...

6 Dec at 03:3

Invariant failed: You should not use <Route> outside a <Router>

I use `react-router-dom` for routing in my `React` application. Part of my app extracted in another package. List of dependencies looks like this: ``` { "dependencies": { "@app/components": "...

To handle multiple schemas in one DBContext

I am using an existing Database with a new ASP.Net Core 2.0 application. The database has two schemas, dbo and notinapplication. I do not want to create model of notinapplication schema tables. So I u...

Using an app.config file with NUnit3 in a .NET Core console app

I've got three projects in my solution currently: - - - The dependencies in my test project all are all from NuGet: - - - - - --- The .NET standard library relies on an app.config file b...

Why does a switch-case statement on a string constant require a default in Visual Studio 2019 (prior to 16.0.3) but not in Visual Studio 2017?

I am trying out Visual Studio 2019 on a code base written in Visual Studio 2017, and am immediately finding a build issue. I have a `switch case` statement in which the case is selected on a constant ...

2 May at 09:9

Use TemplateContext instead of TemplateContext?

I just upgraded my project from ServiceStack 5.1 to 5.5.1. Now where I am using TemplateContext from ServiceStack.Templates it tells instead to use TemplateContext. Needless to say, this is likely a m...

5 Apr at 18:3

What happens with returning IEnumerable if used with async/await (streaming data from SQL Server with Dapper)?

I am using Dapper to stream data from a very large set in SQL Server. It works fine with returning `IEnumerable` and calling `Query()`, but when I switch to `QueryAsync()`, it seems that the program t...

OmniSharp.MSBuild.ProjectManager Attempted to update project that is not loaded:

I started to develop Asp.net Core web API with the VS code. But when I typing the code Intellisense/Suggestions not working properly. I saw in some resource on the internet while they are typing `usin...

List<T>.RemoveAll() efficiency / compiler optimisation

Regarding efficiency, does anyone know if the compiler is clever enough to create the array containing `1, 3, 5` for each iteration of the loop in the following code? ``` var foo = new List<int> { 1...

The environment is inconsistent, please check the package plan carefully

I tried to update or install new packages from anaconda and lately, this message has appeared: ``` The environment is inconsistent, please check the package plan carefully The following package are c...

30 Jan at 10:18

TryGetValue pattern with C# 8 nullable reference types

I'm playing with porting some code to C# to enable nullable reference types, and I've encountered some functions in our code that use the `TryGetValue` pattern. That is, something like this: ``` pub...

4 Apr at 22:58

How do you create F# anonymous records in C#?

I can see that if I create a new anonymous record, eg. ``` let myRecord = {| SomeInteger = 5 |} ``` then if it's exposed to C# then I can dot into it with ``` var someInteger = myRecord.SomeIntege...

4 Apr at 20:56

EF Core EnableSensitiveDataLogging does not work as expected

I am using EF Core 2.1.1 using MySql and I have the following code to enable logging of the ef core translated to SQL Queries ``` protected override void OnConfiguring(DbContextOptionsBuilder option...

Multiple cases in c# 8.0 switch expressions

In traditional C# switch we have a construction where we can aggregate multiple cases. How can it be done in new c# 8.0 [switch expressions](https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/c...

Could not load file or assembly 'System.Memory, Version=4.0.1.' in Visual Studio 2015

For a couple of months i had no issue about generating the model from DB by deleting it and recreating it . After a pull from git, an issue has been occurred while trying to make the same process . Af...

Is there a way to configure the UI of DocuSign when viewing a signed agreement?

I am writing a tool for customer support that will allow the support personnel to view a document signed by the customer. However, using EnvelopesApi.CreateRecipientView() does not expose the ability ...

Execute async method on button click in blazor

I created a "Razor Components" project. I am trying to execute an asynchronous method when pressing a button, but could not figure out the syntax yet. This is my : ``` @page "/" @inject GenericReposit...