.NET Core equivalent to Thread.Abort

## Background I have a `Service` abstraction. Each service has it own `WorkItem`. WorkItem able to start with some data. The service is limiting the excution time of `WorkItem`. Let's say that a si...

How to use componentWillMount() in React Hooks?

In the official docs of React it mentions - > If you’re familiar with React class lifecycle methods, you can think of useEffect Hook as componentDidMount, componentDidUpdate, and componentWillU...

25 Nov at 04:13

Why is 2 * (i * i) faster than 2 * i * i in Java?

The following Java program takes on average between 0.50 secs and 0.55 secs to run: ``` public static void main(String[] args) { long startTime = System.nanoTime(); int n = 0; for (int i =...

SqlExpression Creating Upper SQL Query

I have the following code: ``` SqlExpression<Postcodes> sqlExpression = db.From<Postcodes>() .Where(x => x.CityId.StartsWith(searchString)) .OrderBy(x => x.Cit...

23 Nov at 11:48

Joining same table multiple times in ServiceStack.OrmLite

When joining a table to itself, the sql statment generated does not reference the tables correctly. It's working when the "main" table is different from the joining table [https://github.com/Service...

22 Nov at 22:54

Get a list of all NuGet packages used in a solution

I'm looking for a way to get a list of all used NuGet packages in every project in a solution (and specifically the version) using command-line script and not manually in Visual Studio. Using the Pac...

28 Nov at 12:57

Nuget restore fails on Azure Devops with message "unable to load the service index for source"

I have a build for a .NET solution that is running in a private agent. The solution contains both .NET Core 2.1 and .NET Standard 2.0 projects. Some of the nuget packages installed are the following...

response: 413 Request Entity Too Large

When POSTing a request which can contain one or more files (as base64 string) I get this error response: > ERROR 2018-11-22 09:54:18,244 [13 ] Mvc.ExceptionHandling.AbpExceptionFilter - The remote ...

Textfield validation in Flutter

I am working on Flutter `TextField` widget. I want to show an error message below the `TextField` widget if the user does not fill that `TextField`. I only have to use `TextField` Widget not `TextForm...

29 Aug at 14:0

services.Configure<>() or services.AddSingleton().Get()?

As known there are two ways to get option classes in ASP.NET Core 2: 1. Using services.Configure<>() like this: services.AddOption(); services.Configure<ApplicationOptions>(Configuration.GetSection(...

22 Nov at 13:13

Comparing two equal timestamps with '>' operator returns true

I am writing a query in OrmLite like: ``` var items = db.Select<CustomTable>(query => query .Where(record => record.UpdateTimestamp > lastUpdateTime) .OrderBy(...

How to read a binary file quickly in c#? (ReadOnlySpan vs MemoryStream)

I'm trying to parse a binary file as fastest as possible. So this is what I first tried to do: ``` using (FileStream filestream = path.OpenRead()) { using (var d = new GZipStream(filestream, Compr...

27 Dec at 05:34

Independent versioning of packages in a mono-repo

We just started working on something that is maybe best described as a company-wide "open" source framework. Our main language is C# and we use Jenkins and ProGet to create and share nuget-packages. W...

21 Nov at 12:15

System.Net.Http.HttpClient Disable Caching (.Net Standart Project)

In my .NET Standard project I'm using `System.Net.Http.HttpClient`. How can I disable all caching (request caching especially) in `HttpClient`? If server sends responses with no cache header problem s...

27 Dec at 06:47

Change the IDENTITY property of a column, the column needs to be dropped and recreated

I am using This was my initial model definition. ``` public class Customer //Parent { public int Id { get; set; } public string Name { get; set; } public string Email { get; set; } ...

Getting output buffer from DBMS_OUTPUT.GET_LINES in C#

I'm trying to get the output from the `DBMS_OUTPUT.PUT_LINE()` method in my anonymous PL/SQL block through C#. I've looked at a couple of other related questions here, but am still having trouble. The...

Does creating an instance of a child class create an instance of the parent class?

I'm new to C#, and I wanted to know, that if I create an instance of a child class, does it also automatically create an instance of the parent class or what? Here is my code: ``` class Program { ...

21 Nov at 06:48

Adding backward compatibility support for an older JSON structure

I have developed an app for android which stores a serialized domain model in a JSON file to the local storage. Now the thing is, sometimes I make changes to the domain model (new features) and want t...

6 May at 18:43

How to test a className with the Jest and React testing library

I am totally new to JavaScript testing and am working in a new codebase. I would like to write a test that is checking for a className on the element. I am working with Jest and [React Testing Library...

Getting apt-get on an alpine container

I have to install a few dependencies on my docker container, I want to use python:3.6-alpine version to have it as light as possible, but apk package manager which comes with alpine is giving me troub...

20 Nov at 09:19

Relation between List<> and IEnumerable<> open type

Is there any relationship between the open types `List<>` and `IEnumerable<>`? Example: ``` var type1 = typeof(List<>); var type2 = typeof(IEnumerable<>); //return false type2.IsAssignableFrom(type...

20 Nov at 09:31

How to return a Json from a .Net Core Web API?

This is a basic question. I am new to ASP.Net Core so I created a .Net Core Web API project using the template in Visual Studio and I would like to know how to return a Json string from the Get() func...

6 May at 20:37

Running python script on C# and getting output continuously

I'm trying to run a python script from C# and I want to get the output line by line and not at the end. I feel like I'm missing something important, but don't know what. This is what I have so far: An...

7 May at 07:11

CORS error when adding Azure AD authentication

Trying to add Azure AD authentication to an Angular 7 webapp with a .net core 2.1 backend. However, I get the CORS error during the request. "Access to XMLHttpRequest at '[https://login.microsoftonl...

Why is the Java 11 base Docker image so large? (openjdk:11-jre-slim)

Java 11 is announced to be the most recent LTS version. So, we're trying to start new services based on this Java version. However, the base Docker image for Java 11 is much larger than the equivalen...

18 Jan at 13:15