On Tue, 30 Jun 1998, Herouth Maoz wrote:
> 2. Do you know how form parameters are transferred from an page
> in a browser to a CGI program in general? What the difference
> is between GET and POST? Why the raw data that is passed needs
> "parsing"?
>
> 3. Now, do you have a good CGI-data parsing mechanism for C? One
> that will give you the name-value pairs, and allow you to get
> multiple values, if there are any? If you don't have a
> library, or have trouble in using it, you really should choose
> a different language.
If you use a library called 'cgic', available at
http://www.boutell.com/cgic/, these two problems will be quickly solved.
:)
> 5. Do you know the problems of CGI and real-world applications? Do you
> know CGI is stateless? That it means that no information is kept from
> what the user passed to the CGI? Do you know that you have to take
> care of it yourself? Maintain some sort of "session" information and
> have some way of knowing that the client that connects now to the
> database is the same client that connected to it three minutes ago
> and started some work? If you want the user to be able to do several
> consecutive screens, like read-and-update, you have to think about
> this problem, and find a solution for it. Also think about multi-
> user scenarios.
The same, if you are a clever programmer who always initialize the
variables before using them. :)
done. Aldrin Leal. <aldrin@americasnet.com>
