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c++ Programming Glossary: canWhat are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier notes 'that many other reserved prefixes and suffixes ... can be found there'. The POSIX 2008 reserved symbols are defined..
http://stackoverflow.com/questions/236129/how-to-split-a-string-in-c the most elegant way to split a string in C The string can be assumed to be composed of words separated by whitespace...
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 can I use to profile C code in Linux I have a C application I'm.. C application I'm in the process of optimizing. What tool can I use to pinpoint my slow code c unix profiling share improve.. the suggested ones. However if you're in a hurry and you can manually interrupt your program under the debugger while it's..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three operator When do I need to declare them myself How can I prevent my objects from being copied c copy constructor assignment.. to This has several unpleasant effects Changes via a can be observed via b . Once b is destroyed a.name is a dangling.. resources is hard. Noncopyable resources Some resources cannot or should not be copied such as file handles or mutexes...
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points body §1.9 17 . 1 Note the evaluation of a full expression can include the evaluation of subexpressions that are not lexically.. message . In short undefined behaviour means anything can happen from daemons flying out of your nose to your girlfriend..
Why can templates only be implemented in the header file? http://stackoverflow.com/questions/495021/why-can-templates-only-be-implemented-in-the-header-file can templates only be implemented in the header file Quote from.. with int or float If my explanation isn't clear enough you can have a look at the C FaqLite on this subject . share improve..
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 running with no runtime exceptions The output was 5 8 How can it be Isn't the memory of a local variable inaccessible outside.. c memory management local variables dangling share How can it be Isn't the memory of a local variable inaccessible outside.. in the drawer. Your book is still there. Astonishing How can that be Aren't the contents of a hotel room drawer inaccessible..
http://stackoverflow.com/questions/1008019/c-singleton-design-pattern for a lazy evaluated with guaranteed destruction singleton Can any one provide me a sample of Singleton in c The classic lazy..
Is there a max array length limit in C++? http://stackoverflow.com/questions/216259/is-there-a-max-array-length-limit-in-c tweakable Does it depend on the type the array is made of Can I break that limit somehow or do I have to search for a better..
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 . Whether they call malloc free is implementation defined. Can add a new memory allocator to deal with low memory set_new_handler..
Can I use a binary literal in C or C++? http://stackoverflow.com/questions/2611764/can-i-use-a-binary-literal-in-c-or-c I use a binary literal in C or C I need to work with a binary..
What is the difference between an int and a long in C++? http://stackoverflow.com/questions/271076/what-is-the-difference-between-an-int-and-a-long-in-c 483 648 to 2 147 483 647 2^31 What is the difference in C Can they be used interchangeably c variables share improve this..
Undefined reference to static class member http://stackoverflow.com/questions/272900/undefined-reference-to-static-class-member reference to static class member Can anyone explain why following code won't compile At least on..
Returning the address of local or temporary variable [duplicate] http://stackoverflow.com/questions/2744264/returning-the-address-of-local-or-temporary-variable duplicate This question already has an answer here Can a local variable's memory be accessed outside its scope ..
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 memory overruns and to help the compiler catch exceptions. Can you give any practical examples as to how this initialisation..
Online C++ compiler and evaluator [closed] http://stackoverflow.com/questions/3916000/online-c-compiler-and-evaluator C compiler and evaluator closed Can someone give me a link to a good online C compiler and an evaluator..
http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring questions When should I use std wstring over std string Can std string hold the entire ASCII character set including the.. § unless you use a toolkit framework saying otherwise 2. Can std string hold all the ASCII character set including special..
Thou shalt not inherit from std::vector http://stackoverflow.com/questions/4353203/thou-shalt-not-inherit-from-stdvector anyway. Is my decision absolutely unjustifiable If so why Can you provide an alternative which would have the additional members..
Is there a way to instantiate objects from a string holding their class name? http://stackoverflow.com/questions/582331/is-there-a-way-to-instantiate-objects-from-a-string-holding-their-class-name possible Derived classes and have if for each one of them Can I produce a class from this string I think this can be done..
C++: What is the size of an object of an empty class? http://stackoverflow.com/questions/621616/c-what-is-the-size-of-an-object-of-an-empty-class to be of the size of the machine word 32 bits or 4 bytes . Can anyone explain why the size of 1 byte Why not 4 bytes Is this..
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 a local variable's memory be accessed outside its scope I have..
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 BORDER_CONSTANT imwrite rotated.jpg rotated return 0 Can someone help me fix this problem c opencv transformation perspective..
Are std::vector elements guaranteed to be contiguous? http://stackoverflow.com/questions/849168/are-stdvector-elements-guaranteed-to-be-contiguous to meet them if the elements were not contiguous. Can somebody clarify this Example std vector int values ... fill..
Why does the use of 'new' cause memory leaks? http://stackoverflow.com/questions/8839943/why-does-the-use-of-new-cause-memory-leaks operator new in C is not similar to the one in C#. Can you explain the reason of the memory leak in this sample code..
Linux API to list running processes? http://stackoverflow.com/questions/939778/linux-api-to-list-running-processes not want to end up reading the proc file system directly. Can anyone think of a way to do this c c linux api process share..
step into system, CRTL functions with Eclipse in Linux http://stackoverflow.com/questions/14027693/step-into-system-crtl-functions-with-eclipse-in-linux you clambering around inside it willy nilly in fact you CAN NOT step into the OS itself from user mode code. You nee KGDB.. you are debugging. Going back to the usermode which you CAN debug via Eclipse essentially all you need to do is install..
std::map<int, int> vs. vector of vector http://stackoverflow.com/questions/15016197/stdmapint-int-vs-vector-of-vector possibility of being very sparse. The value to be stored CAN be 0 so I haven't had success trying to find out if the space..
Function Pointers in Objective C http://stackoverflow.com/questions/1777486/function-pointers-in-objective-c C method would need to be part of the class SO THAT IT CAN ACCESS THE INSTANCE FIELDS . I don't know how to make a C method..
How to make consistent dll binaries across VS versions? http://stackoverflow.com/questions/232926/how-to-make-consistent-dll-binaries-across-vs-versions you cannot export a class in a runtime independent way you CAN export an interface which you can easilly make by declaring..
Determine if two rectangles overlap each other? http://stackoverflow.com/questions/306316/determine-if-two-rectangles-overlap-each-other Any one of four conditions guarantees that NO OVERLAP CAN EXIST. Cond1. If A's left edge is to the right of the B's right..
Async wait on file descriptor using Boost Asio http://stackoverflow.com/questions/4686127/async-wait-on-file-descriptor-using-boost-asio only when there is something to be read but boost asio CAN NOT read it. It should act just as a glorified select . Is there..
http://stackoverflow.com/questions/4846540/c11-lambda-in-decltype of course the lambda return rules make it so that you CAN return lambdas from lambdas as there are some situations in..
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