Best of this Week Summary 1 February - 7 February 2010

• What's new in JSF 2.0 (facelets, composite components, partial state saving and Ajax).
  


• A couple of tips on how to avoid checking for null statements (focused on Java but applicable to any language).
  


• Tips/guidelines on how to use Spring on Google App Engine. Including a list of workarounds. This post has a more detailed step-by-step explanation for Spring 3.0 on GAE with a live example app.
  


• The work setup of several more or less famous technical guys ("nerds").