Articles:

http://www.reddit.com/r/programming

http://www.altdevblogaday.com/

http://www.genbetadev.com/ (Spanish)

http://android-developers.blogspot.com

Webcomics:

http://xkcd.com/ (Monday, Wednesday & Friday)

http://explosm.net/comics/new

http://mountsaintawesome.com/index.php

http://abstrusegoose.com/

Above all, obviously, Hacker News. I spend even more time than all others summed up.