using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp4
{
    public delegate void Foo();
    class Program
    {
        static void Main(string[] args)
        {
            A obj = new B();
            obj.Foo();
        }
        class A
        {
            public  void Foo()
            {
                Console.WriteLine("2");
            }
        }
        class B : A
        {
            public new void Foo()
            {
                Console.WriteLine("4");
            }
        }
    }
}

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 public void Form1_Load(object sender, EventArgs e)
        {
            //Create OleDB connection
            try
            {
                OleDbConnection connection = new OleDbConnection();
                connection.ConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\sccalla\Desktop\accessdb.accdb;
                Persist Security Info=False;";
                connection.Open();
                
                //Select all information from TaskNames Table
                OleDbCommand command = new OleDbCommand();
                command.Connection = connection;
                string query = "Select * From TaskNames";
                command.CommandText = query;

                //Display Tasks in Comboboxes
                OleDbDataReader reader = command.ExecuteReader();
                while (reader.Read())
                {
                    taskcombobox1.Items.Add(reader["Tasknames"].ToString());
                    taskcombobox2.Items.Add(reader["Tasknames"].ToString());
                    taskcombobox3.Items.Add(reader["Tasknames"].ToString());
                    taskcombobox4.Items.Add(reader["Tasknames"].ToString());
                    taskcombobox5.Items.Add(reader["Tasknames"].ToString());
                    taskcombobox6.Items.Add(reader["Tasknames"].ToString());
                    

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 Public Sub SendFile(ByVal filename As String)
            coRequest = CType(WebRequest.Create(sURL), HttpWebRequest)
            coRequest.ProtocolVersion = TransferHttpVersion
            coRequest.Method = "POST"
            coRequest.ContentType = "multipart/form-data; boundary=" & BeginBoundary
            coRequest.Headers.Add("Cache-Control", "no-cache")
            coRequest.KeepAlive = True
            Dim strFields As String = GetFormfields()
            Dim strFileHdr As String = GetFileheader(filename)
            Dim strFileTlr As String = GetFiletrailer()
            Dim info As FileInfo = New FileInfo(filename)
            coRequest.ContentLength = strFields.Length + strFileHdr.Length + strFileTlr.Length + info.Length
            Dim io As System.IO.Stream
            io = GetStream()
            WriteString(io, strFields)
            WriteString(io, strFileHdr)
            Me.WriteFile(io, filename)
            WriteString(io, strFileTlr)
            GetResponse()
            io.Close()
            coRequest = Nothing
        End Sub

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Public Overridable Sub GetResponse()
            If coFileStream Is Nothing Then
                Dim stream As Stream
                Dim response As WebResponse

                Try
                    response = coRequest.GetResponse()
                Catch web As WebException
                    response = web.Response
                End Try

                If response IsNot Nothing Then
                    stream = response.GetResponseStream()
                    Dim sr As StreamReader = New StreamReader(stream)
                    Dim str As String
                    ResponseText.Length = 0

                    For Each str In sr.ReadLine
                        ResponseText.Append(str)
                    Next

                    response.Close()
                Else
                    Throw New Exception("MultipartForm: Error retrieving server response")
                End If
            End If
        End Sub

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you must write contentlength bytes to the request stream before calling begin getresponse

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List<ProductCategoryBE> productCategoryBEList = shoppingCartBE.ArrivalBooking.AvailableProducts;

            if (productCategoryBEList != null)
            {
                ProductCategoryBE productCategoryAUXBE = productCategoryBEList.FirstOrDefault(p => p.CategoryCode.ToUpper().Contains("AUX"));
                ProductItem productbzAux = productCategoryAUXBE.Products.FirstOrDefault(t => t.SubCategoryCode.ToUpper().Contains("bz"));

                if (productbzAux != null)
                {
                    productCategoryBEList.Remove(productCategoryAUXBE);
                    List<ProductItem> products = productCategoryAUXBE.Products;
                    ProductItem productbzCore = new ProductItem();
                    productbzCore = productbzAux;
                    productbzCore.ProductType = "C"; // This is updating the ProductType of parent object i.e., productbzAux.ProductType where as it should be A for parent and C for child.
                    products.Add(productbzCore);

                    productCategoryAUXBE.Products = products;

            

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class Books {
    [string]$title 
    [string]$author
    [int]$pages   
}

$books1 = [books]::new()
$books1.title = "Harry Potter"
$books1.author = "JK Rowling"
$books1.pages = 309

$books2 = [books]::new()
$books2.title = "Scott Pilgrim vs. the World"
$books2.author = "Bryan Lee O'Malley"
$books2.pages = 168

$books2 | ? {$_.title -like "*scott*"}

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call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\Tools\VsDevCmd.bat"
cd C:\AutomationTestSamples\AutomationTestSamples\bin\Debug
start cmd /k vstest.console.exe AutomationTestSamples.dll /Logger:trx;LogFileName=%1/UnitTest1.trx /testcasefilter:FullyQualifiedName~AutomationTestSamples.UnitTest1.trx

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string[] str = File.ReadAllLines(@"C:\Test\test.bat");
            for (int i = 0; i < str.Length; i++)
            {
                if (str[i].Contains(trxName))
                {
                    str[i].Replace(str[i].Substring(str[i].IndexOf("/testcasefilter")), "/test");                    
                }
                
            }

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 public static Tuple<float,float> ExtractTextInfo(string keyword)
           {
            //Initialize the SDK library
            //You have to call this function before you can call any PDF processing functions.
            PdfCommon.Initialize();
            //Open and load a PDF document from a file.
            float x = 0;
            float y = 0;
            using (var doc = Patagames.Pdf.Net.PdfDocument.Load(@"C:\Users\ry24234u.23423\Documents\Workspaces\RNsadfasd\AppStore\ApsdfpMot324orHomeS3423hares\document\rentalcontract.pdf"))
            {
                //Enumerate pages
                foreach (var page in doc.Pages)
                {
                   var found = page.Text.Find("This", FindFlags.MatchWholeWord, 0);
                   if (found == null)
                   {                        
                       return new Tuple<float, float>(0,0);
                   }
                    do
                    {
                        var textInfo = found.FoundText;
                        foreach (var rect in textInfo.Rects)
                        {
                         

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