Not really what you meant, but I personally have never found C++ programming to be without surprises of some sort: easy to make mistakes which are hard to find,

Not really what you meant, but I personally have never found C++ programming to be without surprises of some sort: easy to make mistakes which are hard to find, having to agree on which C++ features/paradigms to adopt in your codebase, willy-nilly exceptions, constant appearance of new language features, etc.