• https://codereview.stackexchange.com/questions/9812/polling-loop-always-a-bad-decision
• https://codereview.stackexchange.com/questions/157909/thread-safe-task-queue-implementation

//google: c# threaded queue loop site:codereview.stackexchange.com

• https://codereview.stackexchange.com/questions/151562/loop-for-periodic-processing-in-a-background-thread
• https://codereview.stackexchange.com/questions/82374/is-it-ok-to-use-thread-sleep-and-thread-interrupt-for-pausing-and-resuming-threa

--> See Observable... at the end

• https://stackoverflow.com/questions/46591555/how-to-do-proper-producer-consumer-pattern-with-rx

• https://codereview.stackexchange.com/questions/152764/single-thread-worker-in-multi-thread-webservice

• https://msdn.microsoft.com/en-us/library/system.windows.threading.dispatcher(v=vs.110).aspx

• https://msdn.microsoft.com/en-us/library/hh242970(v=vs.103).aspx

  using System; using System.Reactive.Linq; using System.Reactive.Subjects; using System.Threading;

  namespace RxTest { class Program { static void Main(string[] args) { var source = Observable.Interval(TimeSpan.FromSeconds(0.5)); var subject = new Subject(); var subSource = source.Subscribe(subject); var subSubject1 = subject.Subscribe( x => Console.WriteLine("Value published to observer #1: {0}", x), () => Console.WriteLine("#1: Sequence Completed.")); var subSubject2 = subject.Subscribe( x => Console.WriteLine("Value published to observer #2: {0}", x), () => Console.WriteLine("#2: Sequence Completed."));

            Thread.Sleep(2000);
            var subSubject3 = subject.Subscribe(
                                    x => Console.WriteLine("Value published to observer #3: {0}", x),
                                    () => Console.WriteLine("#3: Sequence Completed."));
  
            Thread.Sleep(2000);
            subSubject1.Dispose();
  
            Console.WriteLine("Press any key to continue");
            Console.ReadKey();
            subject.OnCompleted();
            subSubject2.Dispose();
            subSubject3.Dispose();
        }
    }
  

  }

200-lines C Web Server: https://www.quora.com/How-do-I-create-a-web-server-in-pure-C