Mibbit.com provides an IRC webinterface, so you can hang around in your favorite channels with your iPhone/PDA/fridge/whatever.

XSel gives easy commandline access to the X11 clipboard (primary & secondary).

Unix Toolbox, a nice collection of Unix/Linux/BSD commands, may be useful for advanced users.

CHALLENGE

Don't ask.

• Python main() functions
• Javascript without IFs, WHILEs, or FORs
• grep in 98 lines of code

Python Webserver in 1 line:

python -c "import SimpleHTTPServer; SimpleHTTPServer.test()"

Python Webserver in 15 lines:

import BaseHTTPServer



class WebRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):

    def do_GET(self):

        if self.path == '/foo':

            self.send_response(200)

            self.do_something()

        else: 

            self.send_error(404)

            

    def do_something(self):

        print 'hello world'

        

server = BaseHTTPServer.HTTPServer(('',80), WebRequestHandler)

server.serve_forever()

via

• RegexPal, a JavaScript regular expression tester
• Namespacing your JavaScript
• In Vim Marks visualisieren