PERL

Q1:
Consider the following program:

  #! /usr/local/bin/perl5.003 -w

  {
        my($string) = "brad<hello>3hello";
        $string =~ /^[^\d]{2,4}<([^>]+)>\d?\1$/;
        if( defined($1) ) {
                print "$1\n";
        } else {
                print "not found\n";
        }
  }

Explain what the regular expression is trying to match?


Q2:
If you were writing a perl program as a prototype for
a program you would like to eventually write in C (not C++),
would this alter how you write the Perl prototype? In what ways? 

Q3:
What does 'my' do? Is it the same as 'local'?

Q4:
Given a string $text containing multiple lines of text, how do you
strip all the html tags?

Q5:
Given a string $text, write a regular expression to strip the
white space from the beginning and end of the string

C / C++

Q6:
What is the significance of a const variable?

Q7:
A structure has an integer, a pointer and a char, how
big is it?

Q8:
Whats wrong with the following code:

        char a[256];
        unsigned char x;                  
        for( x=0;
             x<sizeof(a); x++)
                 a[x] =0;

Q9: (this question must be answered!)
Write an algorithm to reverse the order of words
within a string, i.e.  given  char *string = "The cow jumped over
the moon" becomes "moon the over jumped cow The".  Use as little
memory space as possible, time is not a factor.

Q10:
What is a static member of a class (also called: class
variable)? What can it be used for and how do you define it?

Q11:
How do you use exception handling in C++? Briefly explain in
an example how you define exception handling and what statements
are used.

Q12:
Write a class template for a stack of elements of arbitrary
type. Include the functions "push", "pop", "size" and the
constructor as well as the destructor.

WEB

Q13:
Whats the difference between the GET and POST method?


Q14:
I want to provide a personalised web page, which
presents different data to different users - what URL/CGI
techniques can I use to identify each user? What are the advantages
and disadvantages of each method?

Q15:
How can a document specify that it should not be cached by a
client or proxy server?

Q16: What do the numbers 200,302,404 mean to you ?

Q17: A user complains "http://www.yahoo.de is really slow". How would
you attempt to debug?
                                                   
Q18:
Roughly sketch out a design of an http server. keep it really
simple. with the ability to just respond to GET requests and
the ability to handle multiple connections simultaneously

Q19:
Imagine you have all the resources necessary: what would you do
in order to hack Yahoo!? By hack we mean somehow change 
http://www.yahoo.de 

UNIX

Q20:
Write a command to recursivly search all html files below the
current directory for the string "ABCDE"