¡@
c++ Programming Glossary: performingDoes initialization entail lvalue-to-rvalue conversion? Is `int x = x;` UB? http://stackoverflow.com/questions/14935722/does-initialization-entail-lvalue-to-rvalue-conversion-is-int-x-x-ub hand does not mention this. However the possibility of performing an lvalue to rvalue conversion is mentioned again in a note..
C++ Which is faster: Stack allocation or Heap allocation http://stackoverflow.com/questions/161053/c-which-is-faster-stack-allocation-or-heap-allocation and MSVC what is the case Is heap allocation not as high performing as stack allocation Is there no difference Or are the differences..
mixing cout and printf for faster output http://stackoverflow.com/questions/1924530/mixing-cout-and-printf-for-faster-output cout and printf for faster output After performing some tests I noticed that printf is much faster than cout ...
Why don't C++ compilers define operator== and operator!=? http://stackoverflow.com/questions/217911/why-dont-c-compilers-define-operator-and-operator if f3 f2 Fails Is there a good reason for this Why would performing a member by member comparison be a problem Obviously if the..
http://stackoverflow.com/questions/2253168/dynamic-cast-in-c a datum from one pointer or reference type to another performing a runtime check to ensure the validity of the cast can we write..
At what point is it worth using a database? http://stackoverflow.com/questions/2648802/at-what-point-is-it-worth-using-a-database There are other tasks that you and your application can be performing than managing data. Leave data management up to the experts...
dereferencing the null pointer http://stackoverflow.com/questions/2896689/dereferencing-the-null-pointer was obtained as the result of applying the unary or by performing subscripting then neither the nor the or is applied. For example..
When should static_cast, dynamic_cast and reinterpret_cast be used? http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used option. C style casts also ignore access control when performing a static_cast which means that they have the ability to perform..
Finding the type of an object in C++ http://stackoverflow.com/questions/351845/finding-the-type-of-an-object-in-c a datum from one pointer or reference type to another performing a runtime check to ensure the validity of the cast. If you attempt..
Optimizing away a “while(1);” in C++0x http://stackoverflow.com/questions/3592557/optimizing-away-a-while1-in-c0x operations from before the loop to after or vice versa performing post loop operations in one thread while the loop executes in..
initializing std::string from char* without copy http://stackoverflow.com/questions/361500/initializing-stdstring-from-char-without-copy via multiple appends a stl C string efficiently. And if performing this action in a loop where each loop is totally independant..
Compling C++ on remote Linux machine - “clock skew detected” warning http://stackoverflow.com/questions/3824500/compling-c-on-remote-linux-machine-clock-skew-detected-warning time. Since make decides which files to compile when performing an incremental build by checking if a source files has been..
delete vs delete[] [duplicate] http://stackoverflow.com/questions/4255598/delete-vs-delete time ago. I was told to never use delete but delete as performing delete on a single object will be equivalent to delete . Knowing..
http://stackoverflow.com/questions/500493/c-equivalent-of-instanceof doesn't come for free. A simple and consistently performing hack that handles most but not all cases is basically adding..
What C++ Smart Pointer Implementations are available? http://stackoverflow.com/questions/5026197/what-c-smart-pointer-implementations-are-available class with little overhead probably designed for a better performing alternative to boost shared_ptr when usable. It's comparable..
Why is the linux kernel not implemented in C++? [closed] http://stackoverflow.com/questions/520068/why-is-the-linux-kernel-not-implemented-in-c The Linux kernel already makes wide use of jump tables for performing dynamic dispatch. Templates cause massive code bloat. This is..
CUDA how to get grid, block, thread size and parallalize non square matrix calculation http://stackoverflow.com/questions/5643178/cuda-how-to-get-grid-block-thread-size-and-parallalize-non-square-matrix-calcu serial. Every thread launched to execute it is going to performing the same work. The main idea behind CUDA and OpenCL and other..
How does photoshop blend two images together? http://stackoverflow.com/questions/5919663/how-does-photoshop-blend-two-images-together this question Photoshop blends two images together by performing a blend operation on each pixel in image A against its corresponding..
Conversion function for error checking considered good? http://stackoverflow.com/questions/6242296/conversion-function-for-error-checking-considered-good . The effect of either implicit conversion is the same as performing the declaration and initialization and then using the temporary..
How does delete[] know it's an array? (C++) http://stackoverflow.com/questions/703691/how-does-delete-know-its-an-array-c The pointer could be all sorts of different things and so performing an unconditional delete on it is undefined. However let's assume..
Copy a file in an sane, safe and efficient way http://stackoverflow.com/questions/10195343/copy-a-file-in-an-sane-safe-and-efficient-way files with the same copy is not a real world use case. Performing the copy with cp takes 0.44 seconds unbuffered und 0.30 seconds..
http://stackoverflow.com/questions/15752910/is-stdregex-thread-safe does not mean that you are completely out of the water. Performing an operation that modifies a regex in a non thread safe manner..
Difference between reference and const reference as function parameter? http://stackoverflow.com/questions/1719818/difference-between-reference-and-const-reference-as-function-parameter call to foo and then destructed as soon as bar returns. Performing a non const operation i.e. an operation that changes the temporary..
Calling shutdown and closesocket twice on same socket http://stackoverflow.com/questions/3115561/calling-shutdown-and-closesocket-twice-on-same-socket question First one must distinguish two different things Performing operations on a socket some of which may bring it in an unusable..
What are all the common undefined behaviour that a C++ programmer should know about? [closed] http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab a pointer that has not yet been definitely initialized Performing pointer arithmetic that yields a result outside the boundaries..
Performing equivalent of “Kill Process Tree” in c++ on windows http://stackoverflow.com/questions/604522/performing-equivalent-of-kill-process-tree-in-c-on-windows equivalent of &ldquo Kill Process Tree&rdquo in c on windows..
How to convert a 2d char array to a 2d int array? http://stackoverflow.com/questions/6566856/how-to-convert-a-2d-char-array-to-a-2d-int-array share improve this question Engaging psychic debugger... Performing Jedi mind tricks... This is the code you want int puzzle 9 9..
|