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c++ Programming Glossary: storeIs there a max array length limit in C++? http://stackoverflow.com/questions/216259/is-there-a-max-array-length-limit-in-c My question is what do I have to do if I need to store an array of N long long integers with N 10 digits I need this..
Does the size of an int depend on the compiler and/or processor? http://stackoverflow.com/questions/2331751/does-the-size-of-an-int-depend-on-the-compiler-and-or-processor other 57 bits as padding bits that are always required to store the birthdate of the compiler author's girlfriend. This implementation..
Why is volatile not considered useful in multithreaded C or C++ programming? http://stackoverflow.com/questions/2484980/why-is-volatile-not-considered-useful-in-multithreaded-c-or-c-programming read write actually happens that the compiler won't just store the value in a register instead and defer updating main memory..
When and why will an OS initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete? http://stackoverflow.com/questions/370195/when-and-why-will-an-os-initialise-memory-to-0xcd-0xdd-etc-on-malloc-free-new code. For the case of no man's land and free blocks if you store to any of these locations the memory integrity checker will..
http://stackoverflow.com/questions/4421706/operator-overloading to use data which is expensive to copy it is better to store that data elsewhere and have the function object refer to it...
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 8 or 12 bytes. It is imperative that whatever values are stored in this area never gets changed by anything other than the.. is when you overwrite important parts of the data you stored that really should not be randomly changed. For instance it.. to use the broken object as will overwriting links that is stored to other objects in the object. Linked lists When you follow..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords a void which contains the actual data and an index to store the current type. For quite a few functions I'd like a meta..
Resolve circular dependencies in c++ http://stackoverflow.com/questions/625799/resolve-circular-dependencies-in-c space for object A . So well how much space then Enough to store B What's the size of B then Enough to store A Oops. Clearly.. then Enough to store B What's the size of B then Enough to store A Oops. Clearly a circular reference that you must break. You..
WChars, Encodings, Standards and Portability http://stackoverflow.com/questions/6300804/wchars-encodings-standards-and-portability conversion between WCHAR T and UTF . So should I always store my strings internally in an encoding agnostic wstring interface..
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 in this particular hotel . We use stacks for temporary stores because they are really cheap and easy. An implementation of.. is no way to take the address of a local and return it or store it for later. You can take the address of a local but the language.. use stacks to manage memory Are value types in C# always stored on the stack How does virtual memory work And many more topics..
Unicode encoding for string literals in C++11 http://stackoverflow.com/questions/6796157/unicode-encoding-for-string-literals-in-c11 doesn't deal with Unicode encodings. They certainly can store UTF encoded strings. But they can only think of them as sequences..
Executing cv::warpPerspective for a fake deskewing on a set of cv::Point http://stackoverflow.com/questions/7838487/executing-cvwarpperspective-for-a-fake-deskewing-on-a-set-of-cvpoint that defines the region of interest but the points are not stored in any particular order inside the vector and that's something.. think that using a RotatedRect is not the best idea to store the original points of the ROI since the coordinates will change..
“unpacking” a tuple to call a matching function pointer http://stackoverflow.com/questions/7858817/unpacking-a-tuple-to-call-a-matching-function-pointer a tuple to call a matching function pointer I'm trying to store in a std tuple a varying number of values which will later be.. for a call to a function pointer which matches the stored types. I've created a simplified example showing the problem..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops that this alignment causes false aliasing in the load store units or the cache. I Googled around for this and found that.. likely causes false aliasing stalls in the processor load store units. However in order for false aliasing to occur there must..
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection http://stackoverflow.com/questions/8667818/opencv-c-obj-c-detecting-a-sheet-of-paper-square-detection gray gray0 l 1 255 threshold_level Find contours and store them in a list findContours gray contours CV_RETR_LIST CV_CHAIN_APPROX_SIMPLE..
Why does the use of 'new' cause memory leaks? http://stackoverflow.com/questions/8839943/why-does-the-use-of-new-cause-memory-leaks object of type B If you do need dynamic storage duration store the pointer to the allocated object in an automatic storage..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python 3 Okay I tried J.N.'s suggestion of trying having python store the line read but it made no difference to python's speed. I.. even if possible since after all I actually need to store the read lines in memory . Also note that a small tradeoff with.. snippet on the other as the latter two don't actually store the read lines but merely count newlines. Still it's interesting..
OpenCv 2.3 C - How to isolate object inside image http://stackoverflow.com/questions/10315551/opencv-2-3-c-how-to-isolate-object-inside-image Mat to GRAY cv Mat gray cv cvtColor img gray CV_BGR2GRAY Store the set of points in the image before assembling the bounding..
http://stackoverflow.com/questions/10813930/read-a-file-backwards std string line while std getline in line Store the lines in reverse order. lines_in_reverse.insert lines_in_reverse.begin..
http://stackoverflow.com/questions/1102692/how-to-do-alpha-blend-fast SSE2 instruction for this. add those two 4 and 5 together Store those somewhere else if possible or on top of your destination.. G green resultByte B blue Step 7 store result. Store aligned if output is aligned on 16 byte boundrary _mm_store_si128..
OpenGL two different 3d rendering picture control on single MFC dialog not working http://stackoverflow.com/questions/12227586/opengl-two-different-3d-rendering-picture-control-on-single-mfc-dialog-not-work 14 cy 14 Get the new window rect GetWindowRect m_rect Store our old window as the new rect m_oldWindow m_rect break .. 4 Get the new window rect GetWindowRect m_rect Store our old window as the new rect m_oldWindow m_rect break ..
http://stackoverflow.com/questions/1350819/c-free-store-vs-heap Free Store vs Heap Dynamic allocations with new delete are said to take..
What is exactly the base pointer and stack pointer? To what do they point? http://stackoverflow.com/questions/1395591/what-is-exactly-the-base-pointer-and-stack-pointer-to-what-do-they-point presuming both local variables are 4 bytes mov ebp 4 eax Store eax in first local mov ebx ebp 8 Load ebx from second local..
How do I get the directory that a program is running from? http://stackoverflow.com/questions/143174/how-do-i-get-the-directory-that-a-program-is-running-from have the directory your program was started from. Store the value in a variable and refer to it later in your program...
http://stackoverflow.com/questions/1522994/store-an-int-in-a-char-array an int in a char array I want to store a 4 byte int in a char..
Why GCC does not use LOAD(without fence) and STORE+SFENCE for std::memory_order_seq_cst? http://stackoverflow.com/questions/19047327/why-gcc-does-not-use-loadwithout-fence-and-storesfence-for-stdmemory-order Operation x86 implementation Load Seq_Cst MOV from memory Store Seq Cst LOCK XCHG alternative MOV into memory MFENCE Note there.. Seq_Cst LOCK XADD 0 alternative MFENCE MOV from memory Store Seq Cst MOV into memory GCC 4.8.2 GDB in x86_64 uses first 1..
Are C/C++/ObjC/JS Apple's only allowed langauges for iPhone development? http://stackoverflow.com/questions/2603279/are-c-c-objc-js-apples-only-allowed-langauges-for-iphone-development
Effective optimization strategies on modern C++ compilers http://stackoverflow.com/questions/2932515/effective-optimization-strategies-on-modern-c-compilers elements. In certain cases this can be a significant loss. Store pointers and you may see an increase in performance if you do..
Qt applications on new Mac App Store http://stackoverflow.com/questions/4337855/qt-applications-on-new-mac-app-store applications on new Mac App Store I have a Qt app that runs on OS X that has potential to go.. runs on OS X that has potential to go on the new Mac App Store. I have reviewed the guidelines at https developer.apple.com.. . I also saw a post here on SO about Java and the AppStore. Has anyone else considered this with their own apps and whether..
Why do simple doubles like 1.82 end up being 1.819999999645634565360? [duplicate] http://stackoverflow.com/questions/6006200/why-do-simple-doubles-like-1-82-end-up-being-1-819999999645634565360 error. The most common way of dealing with this is Store the number as a fraction x y Use a delta that allows small deviations..
http://stackoverflow.com/questions/82993/windows-cd-burning-api share improve this question We used the following Store files in the directory returned by GetBurnPath then write using..
Store two classes with the same base class in a std::vector http://stackoverflow.com/questions/8777724/store-two-classes-with-the-same-base-class-in-a-stdvector two classes with the same base class in a std vector I would..
Is possible to scroll an UITabBar? http://stackoverflow.com/questions/9642386/is-possible-to-scroll-an-uitabbar an UITabBar I've downloaded an Download Manager from App Store and noticed that the app scrolls an UITabBar like When the user..
Why GCC does not use LOAD(without fence) and STORE+SFENCE for std::memory_order_seq_cst? http://stackoverflow.com/questions/19047327/why-gcc-does-not-use-loadwithout-fence-and-storesfence-for-stdmemory-order GCC does not use LOAD without fence and STORE SFENCE for std memory_order_seq_cst Here are four approaches.. Consistency in x86 x86_64 LOAD without fence and STORE MFENCE LOAD without fence and LOCK XCHG MFENCE LOAD and STORE.. MFENCE LOAD without fence and LOCK XCHG MFENCE LOAD and STORE without fence LOCK XADD 0 and STORE without fence As it is written..
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