How to remove empty lines?

1. Notepad++
1. Edit - LineOperators - Remove Empty Lines.
2. Ms Word
1. Ctrl+H (Replace) 
1. Find What    ^p^p
2. Replace With :  ^p
3. Excel - see https://www.extendoffice.com/documents/excel/4031-excel-delete-first-line-blank-lines-in-cell.html

RegExp

Find	Meaning	Example
[]	The square brackets can be used to match ONE of multiple characters.
[abc]	matches any of the characters a, b or c.
[a-c]	Ranges can also be used, [a-z] is any lower case character and so on

Powershell - How to Comment?

Single Line :                      

# this line is single line comment

Multiple Lines :               

<#  we can enter

Multiple lines

In this comments

#>

GDrive - List Files and Folders Recursive

function ListFiles() {
 //https://developers.google.com/apps-script/reference/drive/folder-iterator

      var iRow = 1;
      var iColumn = 1;
      var CreateFileName = "101_ListFiles" //provide the excel file name
  var ssFile = SpreadsheetApp.create(CreateFileName);
  var ss= ssFile .getActiveSheet(); //Created//

     
      ss.getRange(iRow, iColumn).setValue("Folder");
      ss.getRange(iRow, iColumn + 1).setValue("FileName");
      iRow++;

 var folders = DriveApp.getFolders();
 while (folders.hasNext()) {
      var folder = folders.next();

      //file iteration
      var dApp = DriveApp;
      var folderIter = dApp.getFoldersByName(folder.getName());
   
      var folder = folderIter.next();
      var filesIter = folder.getFiles();
      //iRow++;
   
      while (filesIter.hasNext()) {
        var file = filesIter.next();
        var fileName = file.getName();
     
     
        //Logger.log(folder.getName() + " " + fileName );
        ss.getRange(iRow, iColumn).setValue(folder.getName());
        ss.getRange(iRow, iColumn + 1).setValue(fileName);
     
        iRow++;
      }
 }
}

GDrive - Delete All records in Active Sheet

function DeleteDataInActiveSheet() {

    var sheet = SpreadsheetApp.getActiveSpreadsheet().getActiveSheet();
    var start, end;

    start = 1;
    end = sheet.getLastRow();

    sheet.deleteRows(start, end)

}

Azure

1. portal.azure.com