Web我有一个 Windows 服务,它从数据库中读取数据并使用多个 REST API 调用处理这些数据。 最初,此服务在计时器上运行,它会从数据库中读取未处理的数据,并使用使用SemaphoreSlim限制的多个线程对其进行处理。 这工作得很好,除了数据库读取必须等待所有处理完成才能再次读取。 WebIn C#, if you have a non-async method that has Task as its return type, you should return a Task object that is already completed. This is known as a "completed task". In this example, we define a non-async method called DoSomethingAsync that has Task as its return type. We perform some asynchronous work inside the method, and then return a ...
Calling Web API Using HttpClient - C# Corner
WebOct 14, 2024 · HttpClient Async calls still block the current (UI) thread · Issue #43433 · dotnet/runtime · GitHub runtime Public Notifications Fork 3.9k Star 11.7k Code 5k+ Pull requests 239 Discussions Actions Projects 42 Security 9 Insights New issue Closed JanEggers opened this issue on Oct 14, 2024 · 8 comments JanEggers on Oct 14, 2024 . WebFeb 22, 2024 · The async and await keywords have done a great job of simplifying writing asynchronous code in C#, but unfortunately they can't magically protect you from getting things wrong. In this article, I want to highlight a bunch of the most common async coding mistakes or antipatterns that I've come across in code reviews. 1. Forgotten await. inbuilt apps in windows 11
Calling asynchronous methods from synchronous code
WebHttpResponseMessage result = client.SendAsync (request).Result; Uh, that's probably doing something weird. You really shouldn't be calling .Result on an asynchronous method. Either use await or choose a non-async version of that call. I have no reason to believe that this is causing your problem, but would like to eliminate it. WebApr 11, 2024 · 2. So far, the best solution I found was to use a BlockingCollection with TaskCompletionSource. Simplified, it looks like this: static class SingleThreadedAPi { public static void Init (); // Has to be called from the same thread as init. public static double LongRunningCall (); } class ApiWrapper { BlockingCollection WebJan 10, 2024 · open System.Net.Http open System.Text.RegularExpressions open System.Threading.Tasks let fetchTitleAsync (url: string) = task { use client = new HttpClient () let! html = client.GetStringAsync (url) let pattern = "\s* (.+?)\s*" let m = Regex.Match (html, pattern) return m.Value } let sites = [ "http://webcode.me" "http://example.com" … inclination\u0027s xi