Viewing profile — jdsullivan

The more important and general wisdom: know your audience. You will sometimes have clients with deep technical backgrounds that expect a sufficient level of detail to have any fait…

The iBot was able to "walk" up and down stairs: http://www.dekaresearch.com/ibot.shtml In retrospect, it's a bit surprising they never enhanced it to operate hands free like this -…

This is a durability metric, not an availability one. This typically tells you the likelihood of losing a given object in a year. (5 9's would be quite poor for this, implying a lo…

Not quite: "On strings, numbers and collection classes, hashCode() always returns a consistent value, apparently even across different JVM vendors. It’s like that despite the docum…

Please see javadoc for String.hashCode: http://docs.oracle.com/javase/6/docs/api/java/lang/String.ht... It's true that relying on hashCode to remain stable across arbitrary objects…