I did a math and philosophy double major. The danger of a degree like this is that the stark reality of a programming job will seem unbearably boring in comparison to what you studied in school.
(Generalizing from myself with a sample size of one)
"If you're studying geology, which is all facts, as soon as you get out of school you forget it all, but philosophy you remember just enough to screw you up for the rest of your life." --Steve Martin