I would take such a list with care. The author claims that the only disagreements on such points come from grossly confused people, which he compares to creationists. Being a grad student at Princeton is a solid credential, but not enough that I would take him at face value while he advances as "settled" propositions that he needed to defend, and not simply present, on his blog.
(Disclosure: I find at least two of his defences of the statements above to be unconvincing, so I am pretty biased against him; at the same time, while I am certainly spottily educated on the subject, I still put enough weight on my own judgment and on the nature of my disagreements that I'm not going to adopt the assumption that I am the confused one.)
Fair enough. Out of interest, which ones did you disagree with?
Philosophy is notorious for not answering the questions it tackles. Plato posed most of the central questions more than two millennia ago, and philosophers still haven't come to much consensus about them. Or at least, whenever philosophical questions begin to admit of answers, we start calling them scientific questions. (Astronomy, physics, chemistry, biology, and psychology all began as branches of philosophy.)
A common attitude on Less Wrong is "Too slow! Solve the problem and move on." The free will sequence argues that the free will problem has been solved.
I, for one, am bold enough to claim that some philosophical problems have been solved. Here they are: