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c++ Programming Glossary: prove

Is any part of C++ syntax context sensitive? [duplicate]

http://stackoverflow.com/questions/1172939/is-any-part-of-c-syntax-context-sensitive

context free grammar context sensitive grammar share improve this question Below is my current favorite demonstration of.. by a linear bounded Turing machine so it does not quite prove Turing equivalence but the important part is that the parser.. grammar not a language. Even if a language can be proven to have no unambiguous grammars if it can be recognized by..

Is C++ context-free or context-sensitive?

http://stackoverflow.com/questions/14589346/is-c-context-free-or-context-sensitive

context free grammar context sensitive grammar share improve this question Below is my current favorite demonstration of.. by a linear bounded Turing machine so it does not quite prove Turing equivalence but the important part is that the parser.. grammar not a language. Even if a language can be proven to have no unambiguous grammars if it can be recognized by..

Why does an overridden function in the derived class hide other overloads of the base class?

http://stackoverflow.com/questions/1628768/why-does-an-overridden-function-in-the-derived-class-hide-other-overloads-of-the

OK. Not polymorphic. c polymorphism overriding share improve this question Judging by the wording of your question you..

Is there any advantage of using map over unordered_map in case of trivial keys?

http://stackoverflow.com/questions/2196995/is-there-any-advantage-of-using-map-over-unordered-map-in-case-of-trivial-keys

other reasons. c performance map unordered map share improve this question Don't forget the map 's keep their elements.. each object. If you need to be memory aware a map should prove better because it lacks the large array. So if you need pure.. it. Just from personal experience I found an enormous improvement in performance measured of course when using an unordered_map..

What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?

http://stackoverflow.com/questions/3457967/what-belongs-in-an-educational-tool-to-demonstrate-the-unwarranted-assumptions-p

they break on diverse machines. The goal of this is not to prove that it is safe to do something which would be impossible to.. to do something which would be impossible to do the tests prove only anything if they break but instead to demonstrate to even.. this I would like to ask you How can this idea be improved Which tests would be good and how should they look like Would..

Optimizing away a “while(1);” in C++0x

http://stackoverflow.com/questions/3592557/optimizing-away-a-while1-in-c0x

as removal of empty loops even when termination cannot be proven. end note Edit This insightful article says about that Standards.. will not work anymore c optimization loops c 11 share improve this question To me the relevant justification is This is.. as removal of empty loops even when termination cannot be proven. Presumably this is because proving termination mechanically..

Why is std::function not equality comparable?

http://stackoverflow.com/questions/3629835/why-is-stdfunction-not-equality-comparable

from std shared_ptr c function boost c 11 tr1 share improve this question Why is std function not equality comparable.. certain that using them will never give valid code than to prove there's no possibility of unwanted implicit conversions occurring..

What can I use to profile C++ code in Linux?

http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux

I use to pinpoint my slow code c unix profiling share improve this question If your goal is to use a profiler use one of.. If you do have a guess as to what the problem is this will prove or disprove it. You may have multiple performance problems of.. a guess as to what the problem is this will prove or disprove it. You may have multiple performance problems of different..

Virtual functions and performance - C++

http://stackoverflow.com/questions/449827/virtual-functions-and-performance-c

c performance optimization virtual functions share improve this question A good rule of thumb is It's not a performance.. of thumb is It's not a performance problem until you can prove it. The use of virtual functions will have a very slight effect.. your application. Better places to look for performance improvements are in algorithms and I O. An excellent article that talks..

mmap() vs. reading blocks

http://stackoverflow.com/questions/45972/mmap-vs-reading-blocks

or simple tests c file io fstream mmap blocks share improve this question mmap is way faster. You might write a simple.. mmap is way faster. You might write a simple benchmark to prove it to yourself char data 0x1000 std ifstream in file.bin while..

Why would anybody use C over C++? [closed]

http://stackoverflow.com/questions/497786/why-would-anybody-use-c-over-c

advantage of using c over c or is there one c c share improve this question Joel's answer is good for reasons you might.. You must meet industry guidelines which are easier to prove and test for in C. You have tools to work with C but not C think..

Does const-correctness give the compiler more room for optimization?

http://stackoverflow.com/questions/6313730/does-const-correctness-give-the-compiler-more-room-for-optimization

the compiler more room for optimization I know that it improves readability and makes the program less error prone but how.. makes the program less error prone but how much does it improve the performance And on a side note what's the major difference.. so Thanks. c c pointers const const correctness share improve this question Edit OK so this question is more subtle than..

C++, __try and try/catch/finally

http://stackoverflow.com/questions/7049502/c-try-and-try-catch-finally

Martin c exception handling try catch finally share improve this question On Windows exceptions are supported at the operating.. that destructors are called in all cases. If it can prove that there's no throw statement inside the scope block that..