大约有 4,041 项符合查询结果(耗时:0.0375秒) [XML]

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Why does ReSharper tell me “implicitly captured closure”?

... the captures from the Bar event's lamba alive and vice-versa. I come from C++ where this approach would have worked just fine, and was more than a little astonished to find the rules were different here. The more you know, I guess. – dlf Mar 3 '16 at 20:06 ...
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How efficient is locking an unlocked mutex? What is the cost of a mutex?

In a low level language (C, C++ or whatever): I have the choice in between either having a bunch of mutexes (like what pthread gives me or whatever the native system library provides) or a single one for an object. ...
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What are the benefits of dependency injection containers?

...r example Java and C#). While you can build programs using DI patterns in C++ systems its lack of reflection support within the language proper prevents it from supporting application servers and other DI platforms and hence limits the expressiveness of the DI patterns. Strengths of a system built...
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Performance optimization strategies of last resort [closed]

...11/26: There is now a SourceForge project containing source code in Visual C++ and a blow-by-blow description of how it was tuned. It only goes through the first half of the scenario described above, and it doesn't follow exactly the same sequence, but still gets a 2-3 order of magnitude speedup. ...
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?

...r to write programs which access the contents. Otherwise you end up using C++ and writing a class with accessor methods and stuff that does pointer arithmetic behind the scenes. In short, packed structs are for dealing efficiently with packed data, and packed data may be what your program is given ...
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What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)

...rlying array data. In V8 specifically, these are essentially the same as a C++ array so those rules will apply. If for some reason you're working with an array that the engine isn't able to determine with confidence is an array, then you're on much shakier ground. With recent versions of V8 there's ...
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What are the differences between Autotools, Cmake and Scons?

...n in this day and age. Unless you're building something like glibc, libstdc++, or GCC on a truly ancient version of Solaris, AIX, or the like, the tests are a waste of time and are a source for many, many potential breakages of things like mentioned above. It is pretty much a painful experience to ...
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What are the mathematical/computational principles behind this game?

...ng about. it uses exactly 57 pictures, and sorry guy's I've written actual C++ code but knowing that vector <something> is an array containing values of type something it's easy to understand what this code does. and this code generates P^2+P+1 cards using P^2+P+1 pictures each containing P+1 ...
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How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?

...an executable GCC is no longer involved), see gcc.gnu.org/onlinedocs/libstdc++/faq.html#faq.how_to_set_paths – Jonathan Wakely Nov 10 '15 at 17:40 2 ...
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Try-catch speeding up my code?

... @WernerCD I'd say the fact that C and C++ has a keyword for suggesting that which (A) is ignored by many modern compilers and (B) it was decided not to put in C#, suggests that this isn't something we'll see in any more direct way. – Jon Han...