10,000 Monkeys has a nice overview of two slightly obscure things in web development: multiple buttons on a form triggered by the enter key and forms without tables. Check here for the info:
Multiple enter key buttons
Forms without tables
(more...)

A very nice page on mobile application development. I like this guy's approach. He has two sections labeled as "things that were easy" and "things that were hard." He had some problems I was able to avoid with the Web Application Project (below)... in any case, Check it out here:
http://tonesnotes.org/2006/01/29/first-effort-smart-device-development

I am beginning to work on a research project that involves windows mobile and other things. Here are some good references on writing communications related stuff for windows Mobile

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnnetcomp/html/netcfSendSMS.asp

http://msdn.microsoft.com/library/en-us/dnnetcomp/html/httpcomm.asp?frame=true