"Do you haz teh codez?" is an intentionally misspelled, poor grammar, version of the question: "Do you have the [source] code?". It is written in the style of an Internet meme called lolcatz. In this particular case, the phrase is meant to be considered humorous. Origins of "teh codez" version of this meme may be a direct result of this TDWTF article.
Similar phrasing can also be associated with a mocking, or disapproving, tone when directed at [inadequate] requests for assistance from inexperienced users. See also: n00b.
+1 for the n00b article :) Dec 29, 2010 at 18:12
12+1 for the wikipedia tone.– Chris SDec 30, 2010 at 2:57
Also explained on english.stackexchange.com/questions/13231/…– aleembJul 2, 2012 at 23:35
It's sort of a meme about asking programmers to do your work for you. In retrospect it seems odd to have made it into an ad.