twobomb

private async void Button_Click(object sender, RoutedEventArgs e)
        {
            await Task.Run( () => 
            { 
                for (int i = 0; i < 101; i++)
                {
Dispatcher.Invoke((Action)(() =>
            {
                    label1.Content = i.ToString();
            }));
                    Thread.Sleep(1000);
                }
            });
        }

$sql2 = "UPDATE task SET nomber = '1',answer='answer' WHERE nomber='0' AND whom='Вася'";

var btn = document.createElement("button");
btn.innerHTML = "кнопка";
document.querySelector("ul").insertBefore(btn,document.querySelector("ul>li.block"));

document.querySelectorAll(".some-class").forEach(cont=>{
	cont.querySelector(".error-count").innerHTML = Array.from(cont.querySelectorAll(".delivery-table-item")).filter(e=>e.getAttribute("data-status")=="Ошибка").length;
});

$(".some-class").each((i,el)=>{
	$(el).find(".error-count").html($(el).find(".delivery-table-item[data-status=Ошибка]").length);
})

var elems = document.querySelectorAll('button');
elems.forEach(el=>el.addEventListener('click', function() {
  alert(this.innerHTML);
}));

rewriteLineText(3, @"D:\mytext.txt", "Новое значение");//№ линии, путь к файлу, значение

        static void rewriteLineText(int rewriteLine,string path,string str){

            FileStream fs = new FileStream(path, FileMode.Open);
            var buff = new byte[1];
            int byteStart = rewriteLine == 1 ? 0 : -1, byteEnd = -1;

            for (int i = 0, line = 1; i < fs.Length; i++){
                fs.Read(buff, 0, 1);
                if (buff[0] == 10){//10 - перенос строки
                    if (line == rewriteLine)
                    {
                        byteEnd = i;
                        break;
                    }
                    line++;
                    if (line == rewriteLine)
                        byteStart = i + 1;
                }
                if (i == fs.Length - 1)
                    byteEnd = i;
            }
            if (byteStart == -1 || byteEnd == -1)
                return;
            var strByte = Encoding.UTF8.GetBytes(str);
            fs.Position = byteEnd;
            var tailBuff = new byte[fs.Length - byteEnd];
            fs.Read(tailBuff, 0, (int)(fs.Length - byteEnd));
            fs.Position = byteStart;
            fs.Write(strByte, 0, strByte.Length);
            fs.Write(tailBuff, 0, tailBuff.Length);
            fs.SetLength(byteStart + strByte.Length + tailBuff.Length);
            fs.Close();
        }

string[] array = { "Иванов Иван Иванович", "Сидоров Сидор Сидорович", "Петров Петр Петрович" };
            var find = "сид";
            var finded = array.Where(v => v.Split(' ')[0].ToLower().Contains(find)).ToList();//[0] Сидоров Сидор Сидорович

function getFiles($path,$lvl = 0){
	$res = [];
    $dir2 = scandir($path);	
    foreach($dir2 as $file2){
        if (($file2!='.') && ($file2!='..')){
			$fullpath = $path . DIRECTORY_SEPARATOR . $file2;
            if(is_dir($fullpath)){
				$res = array_merge($res,getFiles($fullpath,$lvl+1));
                array_push($res,["path"=>$fullpath,"name"=>$file2,"type"=>"DIR","level"=>$lvl,"size"=>filesize($fullpath)]);
            }else if(is_file($fullpath))
                array_push($res,[ "path"=>$fullpath,"name"=>$file2,"type"=>"FILE","level"=>$lvl,"size"=>filesize($fullpath)]);
		}
    }
	return $lvl == 0 ? array_reverse($res): $res;
}

function showFiles($arr){	
	foreach($arr as $v){
		$margin = $v["level"] * 15;
		
		if($v["type"] == "DIR")
			echo "<span style='display:block;font-weight:bold;margin-left:{$margin}px;'>$v[name]</span>";
		if($v["type"] == "FILE")
			echo "<a style='margin-left:{$margin}px;display:block;' href='$v[path]'>$v[name]  ($v[size] байт)</a>";
	}
}



showFiles(getFiles('yourdir'));