There are two machines, A and B in a network. Let the IP of A be 192.168.1.2, and IP of B be 192.168.1.8. You can access remotely from A to B using the command: ssh guest@192.168.1.8. It will ask you the password of the user guest in machine B. Now...

Today I tried to create a PDF file using a program. I choose the language Perl to do this task, because there should be one or more useful module for pdf creation in Perl (I shall try to do the same task using PHP and Python later).For PDF creation I...

iPhone

Sometimes your file upload script produces temp files named CGItemp**** in the server (this happed to one of my Perl file upload script (cgi) running in a windows server). So I did some search in the Internet about the problem. Many people faced the...

We often need to count the number of elements in an array (or get the size of an array). Here is how to do it in PHP, Perl & Python:PHP: $items = count($ara);Perl: my $items = scalar(@ara);, you can also try: my $items = @ara;Python: items =...