mantzas

package main

import (
	common_http "bitusion.com/TradingSimulator/common/net/http"
	"bitusion.com/TradingSimulator/services/order_command_service/handlers"
	log "github.com/Sirupsen/logrus"
	"net/http"
	_ "net/http/pprof"
	"os"
)

mantzas

package main

import (
    "fmt"
)

func main() {
 
    msg := "Hello World!"
 

mantzas

{
	"version": "0.2.0",
	"configurations": [
		{
			"name": "Launch main.go",
			"type": "go",
			"request": "launch",
			"mode": "debug",
			"program": "${workspaceRoot}/.",
			"env": {},

mantzas

public class HomeController : Controller
{
  public ActionResult Index()
  {
      var jsonTask = GetJsonDeadLockAsync(new Uri("http://api.geonames.org/citiesJSON?north=44.1&south=-9.9&east=-22.4&west=55.2&lang=de&username=demo"));
      //var jsonTask = GetJsonAsync(new Uri("http://api.geonames.org/citiesJSON?north=44.1&south=-9.9&east=-22.4&west=55.2&lang=de&username=demo"));
      var result = jsonTask.Result.ToString(); // this here blocks the initial thread along with it's context
      return View();
  }
  

mantzas

public void Test()
{
    // Cold Task
    var t = new Task(() => Console.WriteLine());

    // Hot Task
    t.Start(); //now it's hot
    var tHot1 = Task.Run(()=>Console.WriteLine());
    var tHot2 = GetJsonAsync(new Uri("http://......"));
}

mantzas

public async Task WhenAnyWhenAll()
{
    var t = Task.Run(() => Console.WriteLine());

    await Task.WhenAny(t);
    await Task.WhenAll(t);
}

mantzas

public async Task AwaitMultiple()
{
    var t1 = Task.Run(() => Console.WriteLine());
    var t2 = Task.Run(() => Console.WriteLine());
    var t3 = Task.Run(() => Console.WriteLine());
    var t4 = Task.Run(() => Console.WriteLine());

    await t1;
    await t2;
    await t3;

mantzas

public async Task SleepTaskDelay()
{
    Thread.Sleep(1000);
    //vs
    await Task.Delay(1000);
}

mantzas

public async Task SemaphoreSlim()
{
    var s = new SemaphoreSlim(1, 1);

    var entered = await s.WaitAsync(1000);

    if(entered)
    {
        //actual code
    }

mantzas

public async Task AwaitAsync()
{
    await Task.Run(() => Console.WriteLine(""));
}

public Task AwaitNormal()
{
    return Task.Run(() => Console.WriteLine(""));
}