I take you on a simple stroll through Lisp's basic constructs and then ramp up quickly. You'll see Lambda expressions, recursion, and macros. This quick tour should give you an appreciation of Lisp's productivity and flexibility.
A gravatar, or globally recognized avatar, is quite simply an 80×80 pixel avatar image that follows you from weblog to weblog appearing beside your name when you comment on gravatar enabled sites.
Listet auf, welche Ports man für welche Services (DNS, HTTP, SMTP, POP, IMAP, FTP, etc.) wie (intern, extern und Range) offen haben muss, damit der Service funktioniert.
A. Chan, M. Lee, and C. McLoughlin. Who's Learning? Whose Technology? Proceedings of the 23rd Annual Conference of the Australasian Society for Computers in Learning in Tertiary Education, Sydney, Sydney University Press, (2006)