Separate Write Types on Properties
override and the --noImplicitOverride Flag
Template String Type Improvements
ECMAScript #private Class Elements
ConstructorParameters Works on Abstract Classes
Contextual Narrowing for Generics
Always-Truthy Promise Checks
static Index Signatures
.tsbuildinfo Size Improvements
Lazier Calculations in --incremental and --watch Compilations
Import Statement Completions
Editor Support for @link Tags
Go-to-Definition on Non-JavaScript File Paths
Breaking Changes
What’s Next? 

A beginner-friendly, and free, course to help you take your first steps as a DevOps engineer is available as a series of YouTube videos. 

namespace MvcAppPersianDatePicker.ViewModels
{
    public class PostViewModel
    {
        public Post post { get; set; }
    }
}

namespace MvcAppPersianDatePicker.Controllers
{
    public class HomeController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            var model = new PostViewModel();
            model.post = new Post() { AddDate = DateTime.Now.AddDays(-1), Title = "تست" };
            return View(model);
        }

        [HttpPost]
        public ActionResult Index(PostViewModel model)
        {
            if (ModelState.IsValid)
            {
                // todo: save data
                return RedirectToAction("Index");
            }

            return View(model);
        }
    }
}

1. Packages and Assert
2. Reading and Writing to Files
3. Polymorphism
4. Anonymous Classes
5. Multithreading
6. Introduction to GUI Programming
7. GUI Windows Builder
8. 2-D Game Programming 

Converting to Typescript - YouTube 

var o = new orgChart();

o.setColor('#99CC99', '#CCFFCC');
o.setFont('arial', 18);
o.addNode(0, '', '', 'Arial 18', 1);

o.setColor('#CCCC66', '#FFFF99');
o.setFont('arial', 10, '#000000');
o.addNode(11, 0, 'u', 'text will be split if it does not fit. ThisIsAVeryLongWordAndItWillBeClipped. Too many lines will be clipped too.');

o.setFont('arial', 10, '#000000', 0);
o.addNode(12, 0, 'u', 'aligned at top');

o.setFont('arial', 10, '#000000', 1);
o.addNode(13, 0, 'u', 'centered');
o.setColor('#CC4950', '#FF7C80');

o.setFont('times', 16, '#FF0F00');
o.addNode(21, 0, 'l', 'Times 16 red');

o.setFont('times', 16, '#000000');
o.addNode(22, 0, 'l', 'Times 16');

o.setFont('times', 48, '#000000');
o.addNode(23, 0, 'l', 'Times 48 does not fit at all');
o.setColor('#CC9966', '#FFCC99');

o.setFont('jokerman', 12, '#000000');
o.addNode(31, 0, 'r', 'Jokerman (if available)');

o.setFont('bold times', 16, '#000000');
o.addNode(32, 0, 'r', 'bold Times 16');

o.setFont('italic times', 16, '#000000');
o.addNode(33, 0, 'r', 'italic Times 16');

o.setFont('bold italic times', 16, '#000000');
o.addNode(34, 0, 'r', 'bold italic Times 16');

o.setColor('#B5D9EA', '#CFE8EF');
o.setFont('arial', 28, '#000000');
o.addNode(50, '', '', 'Arial 28');
o.setFont('arial', 29);
o.addNode(51, 50, 'u', 'Arial 29');
o.setFont('arial', 30);
o.addNode(52, 51, 'u', 'Arial 30');
o.setFont('arial', 31);
o.addNode(53, 52, 'u', 'Arial 31');
o.setFont('arial', 32);
o.addNode(54, 53, 'u', 'Arial 32');

o.drawChart('c_fonts');

var o = new orgChart();

o.setSize(36, 12, 4, 25, 180);

o.setColor('#99CC99', '#CCFFCC');
o.setFont('arial', 18);
o.addNode(0, '', '', 'Root node');
o.setFont('arial', 12);
o.setColor('#CCCC66', '#FFFF99');
o.addNode(11, 0, 'u', 'u-node 1');
o.addNode(12, 0, 'u', 'u-node 2');
o.addNode(13, 0, 'u', 'u-node 3');
o.setColor('#CC4950', '#FF7C80');
o.addNode(21, 0, 'l', 'l-node 1');
o.addNode(22, 0, 'l', 'l-node 2');
o.addNode(23, 0, 'l', 'l-node 3');
o.setColor('#CC9966', '#FFCC99');
o.addNode(31, 0, 'r', 'r-node 1');

o.drawChart('c_size');

var o = new orgChart();

o.setColor('#99CC99', '#CCFFCC');
o.setFont('arial', 18);
o.addNode( 0, '', '', 'Searching', 1);
o.addNode(50, '', '', 'Social', 1);
o.addNode(90, '', '', 'Misc.', 1);

o.setColor('#CCCC66', '#FFFF99');
o.setFont('arial', 12);
o.addNode(11, 50, 'u', 'Facebook', 0, 'http://facebook.com');
o.addNode(13, 90, 'u', 'Youtube', 0, 'http://youtube.com');
o.addNode(14, 13, 'l', 'Youtube Music', 0, 'http://youtube.com/music');
o.addNode(15, 13, 'l', 'Youtube Entertainment', 0, 'http://youtube.com/entertainment');

o.setColor('#CC4950', '#FF7C80');
o.addNode(21, 0, 'l', 'Google', 0, 'http://google.com');
o.addNode(22, 0, 'l', 'Bing', 0, 'http://bing.com');

o.addNode('r2', '', '', 'Top of this Page', 0, '#');
o.addNode('', 'r2', 'u', 'Back to the introduction', 0, '/orgchart');

o.drawChart('c_links');