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Title: a complete waste
Review: This book is full of mistakes...not just typos, for which they've given an endless list at the book's website on sybex.com, but SERIOUS CONCEPTUAL mistakes. For example, at page 286 the author is trying to explain the thread safety of context parameters(???) where as the authors should have explained the thread safety of context attributes. Further, it says that context attributes are thread safe, which is WRONG.This is just one...believe me, there are tons of such mistakes which can cost you your certifcation. This book deserves ZERO stars.
