What I learned from Whitfield Diffie and Martin Hellman

A few years ago, while attending a "Computer Systems and Networks Security" class, I was talking with a friend of mine. We said to each other: "There's no way in hell that two principals can exchange a key without a pre-shared key of some sort".

LXBus - Obtaining Lisbon bus waiting time information

A few months ago I started using a new service provided by carris to check how much time I have to wait for the bus.

Emacs easy window switching

I just found out about a another cool emacs plugin: WindMove

Smultron regular expressions engine

Smultron has a nice advanced find and replace feature and it uses ICU as the regular expressions engine.

The Pilot G-TEC-C4

What an amazing pen.