+1 on the documentation. As someone whose job involves a daily use of Qt, I think I've been spoiled by the documentation. Qt does a tremendous job of explaining

+1 on the documentation. As someone whose job involves a daily use of Qt, I think I've been spoiled by the documentation. Qt does a tremendous job of explaining nearly every function and property in detail, as well as giving a healthy class-level overview (often with code snippets and even screenshots where it might be useful). In fact, even their (many) example programs each have their own documentation page explaining what the example code ia doing.