Learn the basics of Python’s pandas library of series & data frames and how we can use these tools for data manipulation.
' Create a request using a URL that can receive a post. Dim request As WebRequest = WebRequest.Create("https://www.mysite.com/get_categories.php") ' Set the Method property of the request to POST. request.Method = "POST" ' Create POST data and convert it to a byte array. Dim postData As String = "This is a test that posts this string to a Web server." Dim byteArray As Byte() = Encoding.UTF8.GetBytes(postData) ' Set the ContentType property of the WebRequest. request.ContentType = "application/x-www-form-urlencoded" ' Set the ContentLength property of the WebRequest. request.ContentLength = byteArray.Length ' Get the request stream. Dim dataStream As Stream = request.GetRequestStream() ' Write the data to the request stream. dataStream.Write(byteArray, 0, byteArray.Length) ' Close the Stream object. dataStream.Close() ' Get the response. Dim response As WebResponse = request.GetResponse() ' Display the status. Console.WriteLine(CType(response, HttpWebResponse).StatusDescription) ' Get the stream containing content returned by the server. dataStream = response.GetResponseStream() ' Open the stream using a StreamReader for easy access. Dim reader As New StreamReader(dataStream) ' Read the content. Dim responseFromServer As String = reader.ReadToEnd() ' Display the content. Console.WriteLine(responseFromServer) ' Clean up the streams. reader.Close() dataStream.Close() response.Close()
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