¡@
c++ Programming Glossary: reasonWhy is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array piece of C code that seems very peculiar. For some strange reason sorting the data miraculously speeds up the code by almost 6x..
Why isn't sizeof for a struct equal to the sum of sizeof of each member? http://stackoverflow.com/questions/119123/why-isnt-sizeof-for-a-struct-equal-to-the-sum-of-sizeof-of-each-member in different and incompatible data layouts. For this reason when dealing with libraries that will be used by different compilers..
Default constructor with empty brackets http://stackoverflow.com/questions/180172/default-constructor-with-empty-brackets constructor with empty brackets Is there any good reason that an empty set of round brackets parentheses isn't valid.. I seem to type automatically everytime. Is there a good reason this isn't allowed c constructor c faq most vexing parse ..
What is the difference between new/delete and malloc/free? http://stackoverflow.com/questions/240212/what-is-the-difference-between-new-delete-and-malloc-free are the same is an implementation details which is another reason that malloc and new can not be mixed. share improve this answer..
Is there a performance difference between i++ and ++i in C++? http://stackoverflow.com/questions/24901/is-there-a-performance-difference-between-i-and-i-in-c Executive Summary Use i if you don't have a specific reason to use i . For C the answer is a bit more complicated. If i..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom will be found through ADL . One function will do. ¡The reason is simple once you have the resource to yourself you may swap..
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 dynamic_cast and reinterpret_cast be used I am reasonably proficient in C but I do not have a lot of experience using..
Why have header files and .cpp files in C++? [closed] http://stackoverflow.com/questions/333889/why-have-header-files-and-cpp-files-in-c header files share improve this question Well the main reason would be for separating the interface from the implementation...
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 works equally well in the presence of recursion. The reason is that the time that would be saved by removal of an instruction..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c No need to close it destructor will do that for us The reason this cannot be done in Java is that we have no guarantee over.. str Of course this solution isn't perfect either. The reason is that we've created str but we never delete it. This might.. pointed out this example isn't perfect for at least two reasons. Firstly due to the implementation of strings copying a string..
http://stackoverflow.com/questions/4421706/operator-overloading However it is very unlikely that you would find a reasonable use case for these 2 . 1 As with all rules of thumb sometimes.. 2 . 1 As with all rules of thumb sometimes there might be reasons to break this one too. If so do not forget that the left hand.. efficient to use than the prefix variant. This is a good reason to generally prefer prefix increment over postfix increment...
What are the barriers to understanding pointers and what can be done to overcome them? http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome is copied into the private field FName. There is a reason it is defined as a fixed size array. In memory there will be.. all sorts of things he'll consider his own. This is the reason I chose a fixed size array. To set the stage assume that the.. assume that the second house we allocate will for some reason be placed before the first one in memory. In other words the..
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope local variables can be worked out ahead of time. For this reason local variables are usually generated as storage on a stack..
Linking C++ code with 'gcc' (without g++) http://stackoverflow.com/questions/1001535/linking-c-code-with-gcc-without-g to generate my C executable using only 'gcc' without g . Reason for this is that I have to submit the code to an automatic submission..
Is excessive use of this in C++ a code smell http://stackoverflow.com/questions/1057425/is-excessive-use-of-this-in-c-a-code-smell approach significant enough merit a refactor to the other Reason I ask that while I don't like the second approach present in..
Deterministic builds under Windows http://stackoverflow.com/questions/1180852/deterministic-builds-under-windows or to fool it into thinking the path is not what it is Reason for the last one is beautifully annoying Windows file system...
Reason why not to have a DELETE macro for c++ http://stackoverflow.com/questions/1265666/reason-why-not-to-have-a-delete-macro-for-c why not to have a DELETE macro for c Are there any good reasons..
http://stackoverflow.com/questions/1335561/c-exception-class-design class FileOpenError public Exception public enum Reason FILE_NOT_FOUND LOCKED DOES_NOT_EXIST ACCESS_DENIED FileOpenError.. LOCKED DOES_NOT_EXIST ACCESS_DENIED FileOpenError Reason reason const char file const char dir throw Reason getReason.. Reason reason const char file const char dir throw Reason getReason const throw const char getFile const throw const char..
http://stackoverflow.com/questions/1777526/c-dll-injection HINSTANCE hInst Library instance handle. DWORD reason Reason this function is being called. LPVOID reserved Not used. switch..
Is there a way to do a C++ style compile-time assertion to determine machine's endianness? http://stackoverflow.com/questions/280162/is-there-a-way-to-do-a-c-style-compile-time-assertion-to-determine-machines-e some templated test like a static_assert or boost_if . Reason being my code will need to be compiled and ran on a wide range..
c++ boost::interprocess simple application http://stackoverflow.com/questions/4278627/c-boostinterprocess-simple-application strings endl cout first string is p.first c_str endl Note Reason for all this complexity is this . Cheers share improve this..
How can I use Standard Library (STL) classes in my dll interface or ABI? http://stackoverflow.com/questions/5661738/how-can-i-use-standard-library-stl-classes-in-my-dll-interface-or-abi I use stl classes in my dll interface Answer You can't 1 . Reason The STL is a code library not a binary library like a DLL. It..
Serial Comm using WriteFile/ReadFile http://stackoverflow.com/questions/6036716/serial-comm-using-writefile-readfile m_hCommPort config printf Failed to Set Comm State Reason d n GetLastError return E_FAIL printf Current Settings n Baud..
C++ vim IDE. Things you'd need from it http://stackoverflow.com/questions/623605/c-vim-ide-things-youd-need-from-it is necessary to recreate project from the Makefile Thanks. Reason to create this plugin With a bunch of plugins and self written..
std::transform() and toupper(), no matching function http://stackoverflow.com/questions/7131858/stdtransform-and-toupper-no-matching-function out toupper Its working http ideone.com XURh7 Reason why your code is not working there is another overloaded function..
How can I detect only deleted, changed, and created files on a volume? http://stackoverflow.com/questions/7421440/how-can-i-detect-only-deleted-changed-and-created-files-on-a-volume n record Usn printf Timestamp lu n record TimeStamp printf Reason u n record Reason printf SourceInfo u n record SourceInfo printf.. Timestamp lu n record TimeStamp printf Reason u n record Reason printf SourceInfo u n record SourceInfo printf SecurityId u..
http://stackoverflow.com/questions/7531866/unresolved-overloaded-function-type-while-trying-to-use-for-each-with-iterator of fixing this in my code as well as in others' code. Reason why your code is not working there is another overloaded function..
C++, Need Reason for error : cannot convert parameter 1 from 'char *' to 'const char *&' http://stackoverflow.com/questions/7850843/c-need-reason-for-error-cannot-convert-parameter-1-from-char-to-const Need Reason for error cannot convert parameter 1 from 'char ' to 'const..
Undefined reference to static constexpr char[] http://stackoverflow.com/questions/8016780/undefined-reference-to-static-constexpr-char question Add to your cpp file constexpr char foo baz Reason You have to provide the definition of the static member as well..
http://stackoverflow.com/questions/9032475/const-and-global extern const int Foo int main cout Foo endl return 0 Reason as given by many is global const has internal scope and it is..
determine size of array if passed to function http://stackoverflow.com/questions/968001/determine-size-of-array-if-passed-to-function do sizeof since it will return the size of the pointer .. Reason I ask is because I need to run a for loop inside the other function..
|