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c++ Programming Glossary: initiallyWhy is the C++ STL is so heavily based on templates? (and not on *interfaces*) http://stackoverflow.com/questions/1039853/why-is-the-c-stl-is-so-heavily-based-on-templates-and-not-on-interfaces its obligating name the Standard Template Library ... C initially intended to present OOP concepts into C. That is you could tell..
http://stackoverflow.com/questions/11004273/what-is-stdpromise the associated future. The asynchronous provider is what initially creates the shared state that a future refers to. std promise..
Do getters and setters impact performance in C++/D/Java? http://stackoverflow.com/questions/1109995/do-getters-and-setters-impact-performance-in-c-d-java used code so you could see the function call overhead initially until the getter setter has been called sufficiently often...
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513? http://stackoverflow.com/questions/11413855/why-is-transposing-a-matrix-of-512x512-much-slower-than-transposing-a-matrix-of memory evicts an existing line in the set the line that initially was holding 0x2710 . The problem lies in the fact that we read..
Issue when scheduling tasks using clock() function http://stackoverflow.com/questions/11865460/issue-when-scheduling-tasks-using-clock-function the scheduling float goal float clock CLOCKS_PER_SEC 0.4 initially float clock CLOCKS_PER_SEC 0 if float clock CLOCKS_PER_SEC goal..
linked list and reading from text file http://stackoverflow.com/questions/14993882/linked-list-and-reading-from-text-file as if it was the next field in some node before that so initially the pointer to pointer can just point to the first pointer ahem..
C/C++/Objective-C text recognition library http://stackoverflow.com/questions/1697852/c-c-objective-c-text-recognition-library question The most famous one is Tesseract OCR developed initially by Motorola and later become open source. It is also promoted..
Static linking vs dynamic linking http://stackoverflow.com/questions/1993390/static-linking-vs-dynamic-linking principle compile static libraries to a digested AST form initially and link them by adding those ASTs to the ones generated for..
How to pass a multidimensional array to a function in C and C++ http://stackoverflow.com/questions/2828648/how-to-pass-a-multidimensional-array-to-a-function-in-c-and-c likely crash because of the array passing bug I described initially. One more time you cannot pass a int 4 4 array as an int pseudo..
Can anyone quantify performance differences between C++ and Java? http://stackoverflow.com/questions/313446/can-anyone-quantify-performance-differences-between-c-and-java performance differences between C and Java Java was initially slow before the JIT but today performance is pretty close to..
Printing lists with commas C++ http://stackoverflow.com/questions/3496982/printing-lists-with-commas-c for iter iter keywords.end iter out iter out endl I initially tried inserting this block to do it moving the comma printing..
http://stackoverflow.com/questions/4018816/circular-dependency-in-c job done. The Manager knows all of the Specialists and initially each Specialist knows only their Manager. This is the problem...
http://stackoverflow.com/questions/419406/are-assertions-always-bad that cannot be picked up at a GUI level and may not be initially fatal at a user level. With automation we can run the tests..
Double dispatch/multimethods in C++ http://stackoverflow.com/questions/429849/double-dispatch-multimethods-in-c method that accepts the right type. Since the processor is initially not aware of the type of the object that's passed to it you..
What happens when a computer program runs? http://stackoverflow.com/questions/5162580/what-happens-when-a-computer-program-runs systems which actually keep the BSS in read only memory initially set by the programmer etc. But this is the general gist. You..
Is C# really slower than say C++? http://stackoverflow.com/questions/5326269/is-c-sharp-really-slower-than-say-c more competitive in terms of speed than most people would initially expect you can execute a lot of instructions on a modern CPU..
When to use std::forward to forward arguments? http://stackoverflow.com/questions/7257144/when-to-use-stdforward-to-forward-arguments has a name now back into an rvalue reference if it was one initially. You cannot forward something more than once though because..
http://stackoverflow.com/questions/8150380/gsoap-multithreading code requires gsoap version 2.8.5 as a minimum. It was initially built on Solaris 8 with gsoap version 2.8.3 porting the code..
Concurrency: Atomic and volatile in C++11 memory model http://stackoverflow.com/questions/8819095/concurrency-atomic-and-volatile-in-c11-memory-model operation lies. If you have 2 shared variables x and y initially zero and have one thread write 1 to x and another write 2 to..
Image scaling (KeepAspectRatioByExpanding) through OpenGL http://stackoverflow.com/questions/9011108/image-scaling-keepaspectratiobyexpanding-through-opengl right now. The KeepAspectRatio gave me some trouble initially but now it's also working. Unfortunally KeepAspectRatioByExpanding..
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 With the sorted data the code runs in 1.93 seconds. Initially I thought this might be just a language or compiler anomaly...
Where does the value of CXX in a makefile come from? http://stackoverflow.com/questions/11394659/where-does-the-value-of-cxx-in-a-makefile-come-from Make has several predefined variables among which is CC . Initially it is set at cc which is a symlink to the installed C compiler..
How is heap and stack memories mananged, implemented, allocated [duplicate] http://stackoverflow.com/questions/1213265/how-is-heap-and-stack-memories-mananged-implemented-allocated that one is per process item the other per thread item. Initially when program is started it gets some minimal heap and some stack..
How to put two increment statements in a C++ 'for' loop? http://stackoverflow.com/questions/1232176/how-to-put-two-increment-statements-in-a-c-for-loop 0 a 5 x 0 i 1 a 6 x 5 i 2 a 7 x 6 i 3 a 8 x 7 i 4 a 9 x 8 Initially I thought that this showed it wasn't behaving as a comma operator..
c++ preprocessor macro expansion to another preprocessor directive http://stackoverflow.com/questions/1262063/c-preprocessor-macro-expansion-to-another-preprocessor-directive macro expansion to another preprocessor directive Initially I thought I needed this but I eventually avoided it. However..
fastest algorithm count number of 3 length AP in array http://stackoverflow.com/questions/13240330/fastest-algorithm-count-number-of-3-length-ap-in-array I tried is take 30 000 long arrays named past and right. Initially right contains the count of each 1 30 000 element. If we are..
How to set the stacksize with C++11 std::thread http://stackoverflow.com/questions/13871763/how-to-set-the-stacksize-with-c11-stdthread library in C 11 and have arrived at a stumbling block. Initially I come from a posix threads background and was wondering how.. c 11 pthreads share improve this question Initially I come from a posix threads background and was wondering how..
Setting the internal buffer used by a standard stream (pubsetbuf) http://stackoverflow.com/questions/1494182/setting-the-internal-buffer-used-by-a-standard-stream-pubsetbuf class to facilitate the formatting of the data. Initially I used the following code to copy the contents of the stream..
How should one log when an exception is triggered? http://stackoverflow.com/questions/15504166/how-should-one-log-when-an-exception-is-triggered here I want to know technically would this work robustly Initially it seems to work but I know there are some caveats about using..
Using unicode font in c++ console app http://stackoverflow.com/questions/1922294/using-unicode-font-in-c-console-app comment I've run an experiment on a clean XP SP2 setup. Initially GetNumberOfConsoleFonts indeed returns 10 and font indices 0..9..
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 but it was in the debug runtime by at least VS 2005 VC 8 . Initially the value used to fill these buffers was 0xFD the same value..
Why is ++i considered an l-value, but i++ is not? http://stackoverflow.com/questions/371503/why-is-i-considered-an-l-value-but-i-is-not an l value but i is not Why is i is l value and i not Initially there were 2 questions one was removed since that was exact..
MySQL C++ Connector: undefined reference to `get_driver_instance' http://stackoverflow.com/questions/3872388/mysql-c-connector-undefined-reference-to-get-driver-instance compile a program with C connector in Ubuntu 10.10. Initially I faced the same problem with undefined reference to `get_driver_instance'..
Messaging system: Callbacks can be anything http://stackoverflow.com/questions/6884041/messaging-system-callbacks-can-be-anything which one I need to disconnect from the event manager. Initially I tried using boost function it handles functions and functors..
Is it possible to figure out the parameter type and return type of a lambda? http://stackoverflow.com/questions/7943525/is-it-possible-to-figure-out-the-parameter-type-and-return-type-of-a-lambda we can assume that the lambda takes exactly one argument. Initially I tried to work with std function as template typename T A T..
remove_if equivalent for std::map http://stackoverflow.com/questions/800955/remove-if-equivalent-for-stdmap particular condition. How do I do it using STL algorithms Initially I thought of using remove_if but it is not possible as remove_if..
Why does 'std::vector<int> b{2};' create a 1-element vector, and not a 2-element one? http://stackoverflow.com/questions/9723164/why-does-stdvectorint-b2-create-a-1-element-vector-and-not-a-2-element overload resolution selects the constructor in two phases Initially the candidate functions are the initializer list constructors..
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