Level 0: Saw the post title and didn't think he needed to look at it because he was so confident in his abilities already.
Level 1: Read the post, noticed a lot that he didn't know but didn't intend to do anything about it.
Level 2: Read the post and went out and learned everything in it that he didn't know.
Level 3: Read the post, figured out which things from it he didn't know but might need to or want to, and learned those.
Oh, and a special level -1: Read the post, noticed a lot of things that he didn't know, and decided the post was stupid because clearly he's an amazing programmer and the post didn't agree with that self-assessment.
Level 0: Saw the post title and didn't think he needed to look at it because he was so confident in his abilities already.
Level 1: Read the post, noticed a lot that he didn't know but didn't intend to do anything about it.
Level 2: Read the post and went out and learned everything in it that he didn't know.
Level 3: Read the post, figured out which things from it he didn't know but might need to or want to, and learned those.
Oh, and a special level -1: Read the post, noticed a lot of things that he didn't know, and decided the post was stupid because clearly he's an amazing programmer and the post didn't agree with that self-assessment.