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c++ Programming Glossary: notehttp://stackoverflow.com/questions/236129/how-to-split-a-string-in-c assumed to be composed of words separated by whitespace. Note that I'm not interested in C string functions or that kind of..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom no code we cannot introduce bugs within the operator. Note that this means we are rid of the need for a self assignment.. we know other will be able to do the same after swapping. Note that some compilers do not support constructor delegation in..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three operator ... and destructor are special member functions. Note The implementation will implicitly declare these member functions.. 1 strcpy name that.name age that.age return this Note the difference between initialization and assignment we must..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points question Undefined Behavior and Sequence Points Reloaded . Note This is meant to be an entry to Stack Overflow's C FAQ . If.. expressions or statements in the function body §1.9 17 . 1 Note the evaluation of a full expression can include the evaluation..
http://stackoverflow.com/questions/4421706/operator-overloading the basic rules and idioms for operator overloading in C Note The answers were given in a specific order but since many users.. Types Conversion Operators Overloading new and delete Note This is meant to be an entry to Stack Overflow's C FAQ . If.. operator const X rhs const do actual comparison with this Note the const at the end. 2 It should be noted that the built in..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c . Basic knowledge of the C declarator syntax is assumed. Note that the manual usage of new and delete as demonstrated below.. face of exceptions but that is the topic of another FAQ . Note This is meant to be an entry to Stack Overflow's C FAQ . If.. static_assert std is_same int 8 int 9 value distinct size Note that the size is part of the type that is array types of different..
Is there a difference in C++ between copy initialization and direct initialization? http://stackoverflow.com/questions/1051379/is-there-a-difference-in-c-between-copy-initialization-and-direct-initializati a user defined conversion needed to call that constructor note that no const qualification conversion happens here either ...
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 define a weak uncounted reference to a shared_ptr . Also note that the existing standard C library does define a special kind..
what is the difference between const int*, const int * const, int const * http://stackoverflow.com/questions/1143262/what-is-the-difference-between-const-int-const-int-const-int-const clear on the meaning of const const int foo int const bar note you actually need to set the pointer here because you can't..
What is this weird colon-member syntax in the constructor? http://stackoverflow.com/questions/1711990/what-is-this-weird-colon-member-syntax-in-the-constructor objects in the member initialization list however do note the exceptions listed at the end of the FAQ entry . The takeaway..
Undefined, unspecified and implementation-defined behavior http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior of programs that contain undefined behavior. em end note Specifically section 1.3.24 states Permissible undefined behavior..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom other mSize other.mSize mArray mSize new int mSize 0 note that this is non throwing because of the data types being used.. rid of the old data... delete mArray 2 mArray 0 2 see footnote for rationale ...and put in the new mSize other.mSize 3 mArray.. is critical in C 11 which is discussed later. On a general note a remarkably useful guideline is as follows if you're going..
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 stating static_cast isn't necessary but it's important to note that the T something syntax is equivalent to T something and.. removing it not even reinterpret_cast . It is important to note that modifying a formerly const value is only undefined if the..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three will implicitly define them if they are used. ... end note n3126.pdf section 12 §1 By default copying an object means copying..
What are Aggregates and PODs and how/why are they special? http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special your object the object will hold its original value. Do note that there is no such guarantee for objects of non POD types...
http://stackoverflow.com/questions/4421706/operator-overloading const X rhs return operator lhs rhs The important thing to note here is that only two of these operators actually do anything.. with this Note the const at the end. 2 It should be noted that the built in version of and use shortcut semantics. While.. postfix variant is implemented in terms of prefix. Also note that postfix does an extra copy. 2 2 Also note that the postfix..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c question Arrays on the type level An array type is denoted as T n where T is the element type and n is a positive size.. individual elements std cout x 3 x 7 std endl If x denotes an array then array to pointer decay will kick in because adding.. x 0 in order to identify it. If on the other hand x denotes a pointer to the first or any other element of an array then..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers print C STL containers Please take note of the updates at the end of this post. Update I have created..
What are access specifiers? Should I inherit with private, protected or public? http://stackoverflow.com/questions/5447498/what-are-access-specifiers-should-i-inherit-with-private-protected-or-public down the inheritance hierarchy. Important points to note Access Specification is per Class not per Object Note that the..
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 1234My house h now points nowhere after free note memory might still xx34My house contain some data Dangling.. end Memory layout added NextHouse as a link in the object noted with the four LLLL's in the below diagram h1 h2 v v ttttNNNNNNNNNNLLLL..
http://stackoverflow.com/questions/589575/size-of-int-long-etc by the standard page 22 are signed char 127 to 127 note not 128 to 127 this accommodates 1's complement platforms unsigned..
OpenCV C++/Obj-C: Advanced square detection http://stackoverflow.com/questions/10533233/opencv-c-obj-c-advanced-square-detection Point2f x0 alpha sin_t y0 alpha cos_t return points NOTE The main reason I resized the image was so I could see it on..
Calling Objective-C method from C++ method? http://stackoverflow.com/questions/1061005/calling-objective-c-method-from-c-method needs to be included in both CPP and Objective C code. NOTE if the Objective C implementation file is given the extension..
C++ convert hex string to signed integer http://stackoverflow.com/questions/1070497/c-convert-hex-string-to-signed-integer it as a signed type std cout static_cast int x std endl NOTE Below is my original answer which as the edit says is not a..
Installing OpenCV 2.4.3 in Visual C++ 2010 Express [closed] http://stackoverflow.com/questions/10901905/installing-opencv-2-4-3-in-visual-c-2010-express Ok on the project properties dialog to save all settings. NOTE These steps will configure Visual C for the Debug solution...
http://stackoverflow.com/questions/11562/how-to-overload-stdswap only swapping the 'base' parts of your derived objects . NOTE I've updated this to remove the wrong bits from my last answer...
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 like structure Z in the example above . IMPORTANT NOTE Both the C and C standards state that structure alignment is..
How to read file content into istringstream? http://stackoverflow.com/questions/132358/how-to-read-file-content-into-istringstream buffer length create string stream of memory contents NOTE this ends up copying the buffer istringstream iss string buffer..
http://stackoverflow.com/questions/1647631/c-state-machine-design on SO would share your state machine design techniques. NOTE I am primarily after tried tested implementation techniques...
How do I start a new CUDA project in Visual Studio 2008? http://stackoverflow.com/questions/2046228/how-do-i-start-a-new-cuda-project-in-visual-studio-2008 c visual studio cuda share improve this question NOTE With the release of version 3.2 of the CUDA Toolkit NVIDIA now.. the correct instructions for your version of the Toolkit. NOTE These instructions are valid for Visual Studio 2005 and 2008... a sample should probably handle the failure more elegantly NOTE You can also use a Toolkit version specific rules fule e.g...
What are some uses of template template parameters in C++? http://stackoverflow.com/questions/213761/what-are-some-uses-of-template-template-parameters-in-c this function to deal with all specializations of H . NOTE I've been programming c for many years and have only needed..
How do I start a CUDA app in Visual Studio 2010? http://stackoverflow.com/questions/3778799/how-do-i-start-a-cuda-app-in-visual-studio-2010 a sample should probably handle the failure more elegantly NOTE For CUDA 4.0 only you may need to apply this fix to the build..
C/C++: switch for non-integers http://stackoverflow.com/questions/4165131/c-c-switch-for-non-integers that there are some more usage possibilities have a look. NOTE Only tested with g . Update C 11 Lambdas and initializier list..
http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali how consistent the results were. Pretty consistent IMO. NOTE On my laptop since I can spare more CPU time than ideone allows..
http://stackoverflow.com/questions/6635851/real-world-use-of-x-macros #define NUMBER_OF_COMMANDS sizeof offset_struct_t NOTE I never actually instantiate the offset_struct_t I just use..
Create WCF service for unmanaged C++ clients http://stackoverflow.com/questions/686452/create-wcf-service-for-unmanaged-c-clients generate the proxy class es for the Hello Service. NOTE I seem to always run into compilation problems with the Reference.cs..
C++, __try and try/catch/finally http://stackoverflow.com/questions/7049502/c-try-and-try-catch-finally #include stdafx.h #include windows.h #include iostream NOTE the value of the C C Code Generation Enable C Exceptions setting..
Cross-platform way to get line number of an INI file where given option was found http://stackoverflow.com/questions/8358975/cross-platform-way-to-get-line-number-of-an-ini-file-where-given-option-was-foun are also reported with full position info if enabled NOTE C 11 support is NOT required but I used it to dump the result..
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