Recently I replied to a question. Some one downvoted the answer saying that it should have been comment not the answer. The main reason I posted the reply as answer was that I didn't had privileges to comment.
But then I wondered what differentiates an answer from comment. I am new to WPSE, so I would love to know how you people decide if you should answer or comment?
Here is the question that I answered: get_transient(), PHP switch(), and comparison operators