Follows a list of links I find useful

• http://www.faqs.org/docs/artu/ - Art of UNIX programming
• http://tldp.org/ - The Linux documentation project
• http://www.codinghorror.com/blog - Blog from Jeff Atwood, one of the creators of stackoverflow
• http://www.stackoverflow.com - The Site for developers
• http://www.grymoire.com/Unix/ - In depth articles about UNIX tools, I like the sed tutorial
• http://www.joelonsoftware.com/ - Well, Joel Spolsky... by the way I like reading his articles
• http://www.learnyouahaskell.com - Where I started learning Haskell
• http://xkcd.com - A webcomic of romance, sarcasm, math, and language
• http://www.scala-lang.org - Go there, see what it's about, if you're a Java dev you just have to!
• http://www.cs.utexas.edu/users/EWD/ - Edsger W. Dijkstra