yuessir

        // shared variables
        // private static ThreadLocal<int> local = new ThreadLocal<int>();//output 53000 0;

        private static AsyncLocal<int> local = new AsyncLocal<int>();//output 53000 53000;

        private static void Main(string[] args)
        {
            // declare a delegate
            Action act = async () =>
             {

yuessir

[HttpPost("TestPost")]
        public ActionResult<string> TestPost()
        {
            string jsonText = "";

            var context = HttpContextProvider.Current;
            // context.Request.EnableRewind();

            try
            {

yuessir

#Implementing IFormatProvider, ICustomFormatter
forking from https://stackoverflow.com/a/28342440/4246719
public class FormatProvider : IFormatProvider, ICustomFormatter
    {
        public object GetFormat(Type formatType)
        {
            if (formatType == typeof(ICustomFormatter))
            {
                return this;
            }

yuessir

    private static void Main(string[] args)
        {
            int[] nums = new int[] { 13, 3, 889, 5455, 1, 152, 990 };
            ParameterizedThreadStart myPar = new ParameterizedThreadStart(SleepSort);
            foreach (var num in nums)
            {
                Thread myThread = new Thread(myPar);
                myThread.IsBackground = true;
                myThread.Start(num);
            }

yuessir

string suffixSlash = @"C:\Users\KKK\source\repos\DotNetCoreDirectoryGetParentTest\DotNetCoreDirectoryGetParentTest\bin\Debug\netcoreapp2.1\";
string suffixNoSlash = @"C:\Users\KKK\source\repos\DotNetCoreDirectoryGetParentTest\DotNetCoreDirectoryGetParentTest\bin\Debug\netcoreapp2.1";

string currentDomainBaseDirectory = AppDomain.CurrentDomain.BaseDirectory;
string appContextBaseDirectory = AppContext.BaseDirectory;
string str1 = Directory.GetParent(suffixSlash).FullName;

string str2 = Directory.GetParent(suffixSlash).Parent.FullName;
string str3 = Directory.GetParent(str1).FullName;
string str4 = Directory.GetParent(suffixNoSlash).FullName;

yuessir

PS C:\Program Files (x86)\Google\Chrome Remote Desktop\101.0.4951.13> Get-WmiObject Win32_process -Filter 'name="remoting_host.exe"' | ForEach-Object {$_.SetPriority(128)}


__GENUS          : 2
__CLASS          : __PARAMETERS
__SUPERCLASS     :
__DYNASTY        : __PARAMETERS
__RELPATH        :
__PROPERTY_COUNT : 1
__DERIVATION     : {}

yuessir

# update software repositories
$sudo apt update
# install available software updates
$sudo apt upgrade
# install prerequisites
$sudo apt install lsb-release wget openssl apt-transport-https -y
# switch to root role
$sudo -s

yuessir

Change python version on per user basis

To change a python version on per user basis you simply create an alias within user’s home directory. Open ~/.bashrc file and add new alias to change your default python executable:

alias python='/usr/bin/python3'

Once you make the above change, re-login or source your .bashrc file:

$ . ~/.bashrc

yuessir

    /// <summary>
    /// Gets up stairs path.
    /// </summary>
    /// <param name="res">結果集合.</param>
    /// <param name="path">The path.</param>
    /// <param name="totalStairs">樓梯總數.</param>
    /// <param name="stepMethod">可能的步進階數.</param>
    /// <returns></returns>
    private static List<List<int>> GetUpStairsPath(List<List<int>> result, List<int> goThroughPath, int totalStairs,int[] stepMethod)
    {