normanlmfung

using System.Net;
class Program {
    static async Task Main(string[] args)
    {
        // Example 1. await-foreach
        static async IAsyncEnumerable<int> YieldReturnNumbers(List<int> numbers)   
        {  
            foreach (int number in numbers)  
            {  
                await Task.Delay(1000);  

normanlmfung

using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
    public delegate void MessageArrivedHandler(string message);

    class Publisher
    {
        private event MessageArrivedHandler _messageArrived = delegate  {};

normanlmfung

using System;
using System.Collections.Generic;
using System.IO;
using Newtonsoft.Json; // dotnet add package Newtonsoft.Json

class Program
{
    static void Main(string[] args)
    {
        // Read JSON order book from file

normanlmfung

{
    "Pairs": {
      "BTCUSD": {
        "Bids": [45000.0, 44990.0, 44980.0, 44970.0, 44960.0, 44950.0, 44940.0, 44930.0, 44920.0, 44910.0, 44900.0, 44890.0, 44880.0, 44870.0, 44860.0, 44850.0, 44840.0, 44830.0, 44820.0, 44810.0, 44800.0, 44790.0, 44780.0, 44770.0, 44760.0, 44750.0, 44740.0, 44730.0, 44720.0, 44710.0, 44700.0, 44690.0, 44680.0, 44670.0, 44660.0, 44650.0, 44640.0, 44630.0, 44620.0, 44610.0, 44600.0, 44590.0, 44580.0, 44570.0, 44560.0, 44550.0, 44540.0, 44530.0, 44520.0, 44510.0],
        "Asks": [45100.0, 45110.0, 45120.0, 45130.0, 45140.0, 45150.0, 45160.0, 45170.0, 45180.0, 45190.0, 45200.0, 45210.0, 45220.0, 45230.0, 45240.0, 45250.0, 45260.0, 45270.0, 45280.0, 45290.0, 45300.0, 45310.0, 45320.0, 45330.0, 45340.0, 45350.0, 45360.0, 45370.0, 45380.0, 45390.0, 45400.0, 45410.0, 45420.0, 45430.0, 45440.0, 45450.0, 45460.0, 45470.0, 45480.0, 45490.0, 45500.0, 45510.0, 45520.0, 45530.0, 45540.0, 45550.0, 45560.0, 45570.0, 45580.0, 45590.0, 45600.0]
      },
      "ETHUSD": {
        "Bids": [3

normanlmfung

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;

public class Book
{
    public string Region { get; set; }
    public double AUM { get; set; }
}

normanlmfung

using System;
using System.Text.RegularExpressions;

class Program
{
    static void Main()
    {
        // https://www.mikesdotnetting.com/article/46/c-regular-expressions-cheat-sheet

        string emailAddress = "[email protected]";

normanlmfung

using System;
using System.Net.Http;
using System.Threading.Tasks;


/*
OKX API

	OKX REST API addresses:
			REST: https://www.okx.com/

normanlmfung

using System;
using System.Security.Cryptography;
using System.Text;

public class AsymmetricEncryptionExample
{
    public static void Main(string[] args)
    {
        try
        {

normanlmfung

using System;
using System.Collections.Concurrent;
using System.Threading;
using System.Threading.Tasks;

class Program
{
    static void Main(string[] args)
    {
        // Create a concurrent queue to store lambda expressions

normanlmfung

using System.Threading;
using System.Threading.Tasks;

using System.Net.Http;
/*
Processor Afffinity https://stackoverflow.com/questions/2510593/how-can-i-set-processor-affinity-to-a-thread-or-a-task-in-net
ConfigureAwait - When an asynchronous method awaits a Task directly, continuation usually occurs in the same thread that created the task, depending on the async context. This behavior can be costly in terms of performance and can result in a deadlock on the UI thread. To avoid these problems, call Task.ConfigureAwait(false). 
	https://learn.microsoft.com/en-us/dotnet/api/system.threading.tasks.task.configureawait?view=net-8.0

What's SynchronizationContext?