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c++ Programming Glossary: doneSystem(“pause”); - Why is it wrong? http://stackoverflow.com/questions/1107705/systempause-why-is-it-wrong many veteran programmers as something that should not be done in varying degrees. Some people say it is fine to use. Some..
Why 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 ... completely random hard to predict So what can be done If the compiler isn't able to optimize the branch into a conditional..
throwing exceptions out of a destructor http://stackoverflow.com/questions/130117/throwing-exceptions-out-of-a-destructor dangerous i.e. that could throw an exception should be done via public methods not necessarily directly . The user of your..
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 the best function from the set of candidates. This is done by matching the types of arguments to the types of parameters...
Get the IP address of the machine http://stackoverflow.com/questions/212528/get-the-ip-address-of-the-machine for me on os x 10.5 and should be the same below. I've done a quick example below which will print all of the machine's..
http://stackoverflow.com/questions/213907/c-stdendl-vs-n like this... std cout Test line std endl ...so I've always done that too. But I've seen a lot of code from working developers..
How to pass objects to functions in C++? http://stackoverflow.com/questions/2139224/how-to-pass-objects-to-functions-in-c are best expressed as a boost optional and aliasing is done fine by reference. C 11's move semantics make passing and returning..
http://stackoverflow.com/questions/3106110/what-is-move-semantics to a string data that.data that.data 0 What have we done here Instead of deeply copying the heap data we have just copied..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom arguably the most nuanced and difficult. How should it be done What pitfalls need to be avoided The copy and swap idiom is.. to be assignable and destructible. So what we've done is simple initialize via the default constructor a C 11 feature..
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 tend to have more problems to find. P.S. This can also be done on multi thread programs if there is a way to collect call stack..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c destructor will do that for us The reason this cannot be done in Java is that we have no guarantee over when the object will..
http://stackoverflow.com/questions/4421706/operator-overloading are merely syntactic sugar their actual work could be done by and often is forwarded to plain functions. But it is important..
http://stackoverflow.com/questions/484635/are-global-variables-bad function which modifies the global state. That can be done but as the application grows it will get harder to the point..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers after the last item. Formatting the containers is done by the print_container_helper which can be used directly to..
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 are the barriers to understanding pointers and what can be done to overcome them Why are pointers such a leading factor of.. level What are some good practice things that can be done to bring somebody to the level of Ah hah I got it without getting..
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 is allowed to tell the operating system we're done using this page of stack now. Until I say otherwise issue an..
OpenCV 2.3 C++ Visual Studio 2010 http://stackoverflow.com/questions/7011238/opencv-2-3-c-visual-studio-2010 key terminates program if c 27 break return 0 What have I done so far Added build bin and one of build x86 x64 vc9 vc10 mingw..
Singleton: How should it be used http://stackoverflow.com/questions/86582/singleton-how-should-it-be-used one correctly and from the many interviews I have done most people can't . Also because everybody thinks they can implement..
Algorithm improvement for Coca-Cola can shape recognition http://stackoverflow.com/questions/10168686/algorithm-improvement-for-coca-cola-can-shape-recognition Here are some details about my implementation Language Done in C using OpenCV library. Pre processing Regarding image pre..
What is a smart pointer and when should I use one? http://stackoverflow.com/questions/106508/what-is-a-smart-pointer-and-when-should-i-use-one Use the object in some way. delete ptr Destroy the object. Done with it. Wait what if DoSomething raises an exception.... A..
C++11: I can go from multiple args to tuple, but can I go from tuple to multiple args? [duplicate] http://stackoverflow.com/questions/10766112/c11-i-can-go-from-multiple-args-to-tuple-but-can-i-go-from-tuple-to-multiple namespace detail template typename F typename Tuple bool Done int Total int... N struct call_impl static void call F f Tuple..
Issue when scheduling tasks using clock() function http://stackoverflow.com/questions/11865460/issue-when-scheduling-tasks-using-clock-function void foo std cout hello from foo n void done std cout Done n struct bar void hello std cout Hello from bar hello n auto.. example will print hello from foo hello from bar hello Done One line will be printed every two second. After Done the program.. Done One line will be printed every two second. After Done the program will just loop forever doing nothing. Note that..
Is there a way to cancel/detach a future in C++11? http://stackoverflow.com/questions/12086622/is-there-a-way-to-cancel-detach-a-future-in-c11 this_thread sleep_for chrono seconds 10 cout Sleeping Done n return 3 int main auto result async launch async sleep_10s.. exiting it waits an additional 9 seconds prints Sleeping Done and then segfaults. Is there a way to cancel or detach the future..
C++ Debug builds broke in Snow Leopard X-Code http://stackoverflow.com/questions/1416096/c-debug-builds-broke-in-snow-leopard-x-code endl std cout ACTUAL stream.str std endl std cout std endl Done std endl return 0 The stringstream insertion should work but..
How to separate CUDA code into multiple files http://stackoverflow.com/questions/2090974/how-to-separate-cuda-code-into-multiple-files hostArray i n cudaFree deviceArray free hostArray std cout Done n #endif MyKernel.cu #ifndef _MY_KERNEL_ #define _MY_KERNEL_..
ReleaseSemaphore does not release the semaphore http://stackoverflow.com/questions/2375132/releasesemaphore-does-not-release-the-semaphore semaphore numCPU NULL CloseHandle semaphore printf Done n getc stdin c windows multithreading synchronization semaphore..
Whats the right approach for error handling in C++ http://stackoverflow.com/questions/3119197/whats-the-right-approach-for-error-handling-in-c an exception is raised. No it's not. std vector int v 100 Done. The concept here is called Scope Bound Resource Management..
Will a “variableName;” C++ statement be a no-op at all times? http://stackoverflow.com/questions/4030959/will-a-variablename-c-statement-be-a-no-op-at-all-times none but this time x is used so we don't get any warnings. Done right There is actually still one problem with this solution..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers the helper classes don't bleed into the global namespace. Done Add template aliases or something similar to facilitate making..
Problem with compiling RInside examples under Windows http://stackoverflow.com/questions/5650063/problem-with-compiling-rinside-examples-under-windows ## TODO ## proper configure for non Debian file locations Done ## allow RHOME to be set for non default R etc ## comment this..
how to compile ASL (boost based Adobe C++ gui library) on windows 7? http://stackoverflow.com/questions/6397501/how-to-compile-asl-boost-based-adobe-c-gui-library-on-windows-7 bjam cd to PROJ_ROOT platform_release and invoke bjam Done P.S. I have Visual C 2010 Express but I think that this guide..
What is the correct way of reading from a TCP socket in C/C++? http://stackoverflow.com/questions/666601/what-is-the-correct-way-of-reading-from-a-tcp-socket-in-c-c found. readData readStream.str .find end string npos cout Done length readStream.str .length endl It's a little bit of C and..
http://stackoverflow.com/questions/7344226/buffer-overflow-attack vulnerability HERE for i 0 i n i scanf x a i printf Done reading junk numbers n int main victim_func printf œ\n done return.. is to jump to printf in main Although the program prints Done from that printf statement it is jumping back to victim_func..
What XML parser should I use in C++? http://stackoverflow.com/questions/9387610/what-xml-parser-should-i-use-in-c is distributed under the zLib license. Just Get The Job Done So you don't care about XML correctness. Performance isn't an..
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