hudo

  class Program
  {
      static void Main(string[] args)
      {
          // sample list to test
          var list = new ArrayList
          {
              new ArrayList {
                  new ArrayList
                  {

hudo

public class ValidateModelAttribute : ActionFilterAttribute 
{ 
    public override async Task OnActionExecutionAsync(ActionExecutingContext context, Action 
    { 
        var result = new ViewResult(); 
        if (!context.ModelState.IsValid) 
        { 
            // Usually POST action looks like: IActionResult Save(MyMode model) 
            // if validation failed we need to forward that model back to view 
            // Model is in ActionArgument[0] in this case, but you may tweak 

hudo

[HttpPost, ValidateAnyForgeryToken] 
public async Task<IActionResult> Save(ProductModel model) 
{ 
    if(!ModelState.IsValid) 
        return View(model); 

    // invoke some business logic magic that makes money 
    try 
    { 
        await _dbContext.SaveChanges(); 

hudo

internal class LinkDecorator : IRenderable
{
    private readonly IRenderable _inner;
    private readonly string _url;
    public LinkDecorator(IRenderable inner, string url)
    {
        _inner = inner;
        _url = url;
    }

hudo

internal interface IRenderable
{
    string Render();
} 

hudo

var element = new UnorderedList(new ListItem(new Link(new Content(“page 2”)))); 

hudo

<ul class="pagination">
	<li><a href="#" >&laquo;</a></li>
	<li class="active"><a href="?page=1" >1</a></li>
	<li><a href="?page=2" >2</a></li>
	<li><a href="?page=3" >3</a></li>
	<li class="disabled"><span>...</span></li>
	<li><a href="?page=20" >20</a></li>
	<li><a href="?page=2" >&raquo;</a></li>
</ul>

hudo

public void User_can_write_story_when_authenticated()
{
    var controller = new HomeController();
    controller.ControllerContext = new ControllerContext
    {
        HttpContext = new DefaultHttpContext
        {
            User = new ClaimsPrincipal(new ClaimsIdentity(new Claim[]
            {
                new Claim(ClaimTypes.Name, "username")

hudo

public IActionResult Index()
{
    var model = new HomePageViewModel
    {
        Title = "Welcome!",
        DisplayMode = StoriesDisplayMode.FeaturedList,
        CanWriteStory = User.Identity.IsAuthenticated
    };
    return View(model);
} 

hudo

class Program
{
    static void Main(string[] args)
    {
        var children = new List<Child> { new Child("Hudo", true), new Child("Genna", true), new Child("Calippio", false), new Child("Javier", false), new Child("Cristian", true)};
        var presents = new List<Present> { new Present("Tannoy speakers", 2), new Present("Candy", 1)};

        presents
            .SelectMany(x => Enumerable.Range(1, x.Quantity).Select(c => new Present(x.Name, 1)))
            .Zip(children.Where(x => x.WasGood), (present, child) => new Assignment(child.Name, present.Name))