Joshua Bloch has a good presentation outline called How to Design a Good API and Why it Matters. Joshua is a Principal Software Engineer for Google, before that an architect in Sun's Core Java Platform Group (he designed several of the standard java API's). Josh also wrote Effective Java.

I am seeing a lot of new web services are implemented using a REST style architecture these days rather than a SOAP one. Lets step back a second and explain what REST is.

MossyBlog is asking about how people setup their new web servers. I though I'd post my thoughts on directory structure here.

This is web server directory structure that I have used for long time (probably 6 or 7 years). A former co-worker Eric Griff helped me come up with it I believe.

The O'Reilly Radar has an entry Designing from the outside in - the design philosophy of 37 Signals - the design firm that created the BaseCamp Project Management suite.