Collaboratively built and maintained by your fellow programmers
A programming Q & A site that’s free...
Its like having your fairy godmother sitting on your shoulder 24x7. Pros: They have all the answers, good ones.
This website is the single best development resource I have ever known, its existence is a stroke of genius and it serves millions of developers globally. If you are a developer and you don't know about this site yet check it out today! Pros: Quickly leads you to solutions. Cons: None.
A God-send for any programmer. Period!