As I told you inside the comments in the blog itself, what is x in the definition of COUNT(...) ? Also it seems that you did not read the topic correctly becau

As I told you inside the comments in the blog itself, what is x in the definition of COUNT(...) ? Also it seems that you did not read the topic correctly because even if you tried to apply such a method it would fail for the no arguments case, which is a big part of the bulk of the first method. If I don't get something please feel free to explain