Just a few weeks in, Al Horford already has made an impact on second-year Warriors center Quinten Post.Post told reporters after practice Tuesday that he has been picking his new teammate’s brain and constantly asking him questions. The 25-year-old, coming off a solid rookie season, shared how taking notes from Horford can help elevate his game on both ends of the court in Year 2.“Offensively right now we play a similar role in our system, being a spacer,” Post explained. “But he’s very good at looking for his own [shot]. He’s actually quite an aggressive player while also being a really good team player. I feel like I can definitely learn from him from where he picks his own spots to be aggressive. He’s very aggressive with his shots; he even attacks the rim out of those closeouts. “And then defensively, he’s just very steady from what I’ve seen right now. He’s always in the right spots. Obviously, he’s in great shape. He’s athletic for 39. Definitely a lot to learn and I’m trying to see what he’s doing every day.”From one sharpshooting big man to another, Post will take...