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Title: Very poor. Badly organized and full of errors.
Review: Rather disappointing and sloppy effort. There is no coherent thread that would explain things in a methodical fashion. Instead, things are used before they are explained, and quite a bit of knowledge is assumed. Definitely not for the beginner and, even then, hard to follow. Numerous mistakes in the code examples, including code that does not compile or leaks memory. A strange mixture of POA and BOA code, without clear delineation of which is which, and much of the C++ mapping is missing
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