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Is multiplication and division using shift operators in C actually faster?

...bsurdly theoretical and historical, but the significance thing is that the freedom to choose implementation goes both ways: even if the CPU has an instruction that implements the operation requested in the source code in the general case, the compiler's free to choose something else that it prefers ...
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How can I add reflection to a C++ application?

... And I would love a pony, but ponies aren't free. :-p http://en.wikibooks.org/wiki/C%2B%2B_Programming/RTTI is what you're going to get. Reflection like you're thinking about -- fully descriptive metadata available at runtime -- just doesn't exist for C++ by default. ...
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Simplest PHP example for retrieving user_timeline with Twitter API version 1.1

...ial Twitter developer site and register for a developer account. This is a free and necessary step to make requests for the v1.1 API. 2. Create an application: Create an application on the Twitter developer site What? You thought you could make unauthenticated requests? Not with Twitter's v1.1 API...
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What is the difference D3 datum vs. data?

...leezer/e4m6j2d8/6/ Again, I think this is way easier to grasp as you keep free from the mental burden coming from the enter/update/exit pattern, but as soon you need to update or change the selection you will surely be better off resorting to .data(). const data = [1,2,3,4,5]; const el = d3.s...
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What is the dependency inversion principle and why is it important?

...e logging library John selected. If John follows the DIP, however, Sam is free to provide an adapter and use whatever logging library he chooses. The DIP isn't about convenience, but coupling. – Derek Greer Nov 23 '16 at 17:39 ...
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How to read contacts on Android 2.0

...ontact then you will need to use a different URI, like the following (feel free to use this method): private String getNote(long contactId) { String note = null; String[] columns = new String[] { ContactsContract.CommonDataKinds.Note.NOTE }; String where = ContactsContract.Data.RAW_CONT...
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Which iomanip manipulators are 'sticky'?

...d your reasoning. All manipulators that take parameters are implemented as free functions returning an unspecified object that acts on a stream when that object is inserted into the stream as this is the only(?) way to preserve the insertion syntax with parameters. Either way, the appropriate operat...
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Performance of foreach, array_map with lambda and array_map with static function

... ->7 15 > SWITCH_FREE $2 15 16 EXT_STMT 17 > RETURN !1 16 18* EXT...
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What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be

...ds. And its performance scales with the number of cores available. Hands-free scalability with available cores is the future of computing and I wouldn't use any math library for a new project doesn't support multi-core processors. Very briefly, it includes: Basic vector-vector, vector-matrix, ...
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tinyxml XML解析库下载(tinyxml2.h 和 tinyxml2.cpp) - 源码下载 - 清泛...

...e, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment ...