For me it is often a question of what I am looking for. If I quickly need to know how to get the last item of a list in yet-another-language, Stack Overflow wi

For me it is often a question of what I am looking for. If I quickly need to know how to get the last item of a list in yet-another-language, Stack Overflow will provide me an answer in about 2 seconds. The documentation will certainly provide the answer too, but I'll need to look at several places etc., since the format is just not optimized to answer exactly this question fast.