O''''''''Reilly Network For Information About''''''''s Book part 189 pdf

... project notebook is valuable not only while you are developing the software, but also once the project is complete. You will appreciate the extra effort you put into keeping a notebook when you ... "address book. " Just as you maintain a list of names and addresses in your personal life, you must maintain a similar list for the processor. The memory map contains one entry for...

Ngày tải lên: 07/07/2014, 08:20

... machine adapts to accept dynamic languages, the JVM will probably be the deployment platform of choice for the foreseeable future. If not, a new virtual machine will need to emerge. But the problem ... In particular, I vividly remember working on object-oriented technologies at IBM. The project, called System Object Model (SOM) , emerged from a research project that formed the foundati...

Ngày tải lên: 07/07/2014, 08:20

... PHP is far more productive for this environment. Java's not the only reason: web programming is a mess for many reasons. But Java just isn't very good for the simplest and most typical ... language for large-scale enterprise development. 4.1.3. Agile Processes While the requirements for the typical Java application have remained relatively static, radical changes ar...

Ngày tải lên: 07/07/2014, 08:20

... You'll be surfing the next wave that propels us forward. If I'm wrong, Java will still be there for you; heck, even COBOL is still there for you. But to you, it won't be the same ... and productive. Now, for the first time, a leading Boost expert systematically introduces the broad set of Boost libraries and teaches best practices for their use. Writing for inte...

Ngày tải lên: 07/07/2014, 08:20

... properties that make it a good candidate for use with a reference-counted smart pointer. For example, the fact that it is expensive to copy, or that part of its representation needs to be shared ... metaprogramming techniques. Despite efforts to make that distinction, no one has found a reliable way to do that because arrays decay so easily into pointers that carry no type informat...

Ngày tải lên: 07/07/2014, 08:20

... However, there are times when one needs an intrusive reference count, perhaps for legacy code or for integration with third-party classes. When the need arises, intrusive_ptr fits the bill, with ... reference count for intrusive_ptrs to work correctly. For all cases where a reference count already exists in the types that are to be used with intrusive_ptr, enabling support for...

Ngày tải lên: 07/07/2014, 08:20

... specialization for arithmetic types. Running the program shows that this is indeed the case. some_class::max() for the primary template Max for std::string: 2147483647 some_class::max() for the ... scope of this book. Visit http://www.boost.org for more information on Mpl. Also, get your hands on David Abrahams's and Aleksey Gurtovoy's book, C++ Template Metaprogr...

Ngày tải lên: 07/07/2014, 08:20

... more general type will match an exception and not find the handler for the more specific type. Consult your favorite C++ book for more details on this. If we want to access the actual exception ... reuse the classes base and derived that we saw earlier, and perform dynamic_casts almost like we did beforebut this time we will perform casts to references rather than pointers, which me...

Ngày tải lên: 07/07/2014, 08:20

... boost::function<void(some_class*,int)> f; f=&some_class::do_stuff; some_class s; f(&s,3); So, all the likely variants for passing instances of the "virtual this" are provided by the library. Of course, there ... have already seen that it is possible to add state to callback functions, because of the support for function objects. Consider a class, keeping_sta...

Ngày tải lên: 07/07/2014, 08:20

... bits). For example, if the range of codes for the message had been 011 through 100, we would be unable to output any bits until the first bit was decided. However, once we have enough information ... a 1, respectively; the new values are 0 for low and 215 for high. On the next pass through the loop we will discover that these values are too far apart to emit any more bits, and w...

Ngày tải lên: 07/07/2014, 08:20