WEBIn Pascal, @ is the "address of" operator (it tells the location at which a variable is found). In Perl, @ prefixes variables which contain arrays @array, including array slices @array[2..5,7,9] and hash slices …

WEBOn some keyboards, you'll see that the alt key on the right-hand side says alt gr instead. This is the key you'll use when there's a third symbol that you want to type. If the steps above sound too complicated, you can always …