Great question... I am somewhat in the same boat you are, but about a year further. One really good website that I found has filled in some gaps for me is http:

Great question... I am somewhat in the same boat you are, but about a year further. One really good website that I found has filled in some gaps for me is http://www.buildingwebapps.com http://www.buildingwebapps.com (although I haven't seen the specific issues you've mentioned). EDIT: Now that I think about it, I probably need more fundamental knowledge of algorithms, and computer science in general than the things you mentioned.