The basic idea of aggregation is quite reasonable--instead of having one object point to another object (fig 1), it is clearly cheaper to embed the instance variables for the second object in the first.

In recent years it seems that the technologies which have had the greatest impact overall have not been groundbreaking innovations, but more about making things simpler.

Okay, the year is almost half over and I'm just now getting around to posting Dr. Dobb's 2008 Hall of Fame Calendar. Which probably means that I should start on Dr. Dobb's 2009 Hall of Fame Calendar right away.

 Dr. Dobb's t-shirts are going out to the following Dr. Dobb's CodeTalk Members for their interesting blogs, forum comments, and appreciated answers.

John Resig, the lead developer of JQuery, just released a new library that may change the way we use JavaScript on the web. He's managed to port the Processing visualization language to JavaScript (including the 2D Drawing API) using the Canvas element.

Eliminating redundancy is often viewed as a way to streamline productivity and reduce waste. But the right kind of redundancy can dramatically improve quality. For example, double entry bookkeeping, invented in the middle ages, was a great advance in accounting because it introduced a redundancy that nearly eliminated common arithmetic errors.

Author Scott Berkun has updated his well received, 2006 Jolt Productivity Award winning The Art of Project Management book released three years ago with this updated and substantially revised edition.  In fact, there are so many meaningful changes in this edition that the new title is entirely warranted.

 

Sun has announced a deal with On2 Technologies (on2.com) to license their technology for Java FX video capabilities. See sun.com/aboutsun/pr/2008-05/sunflash.20080507.3.xml for more information. Specifically to help make Sun's Java FX multi-media platform a success, On2 will be providing their TrueMotion video codecs and compression technology.

The point is to provide one Java-based platform that