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c++ Programming Glossary: void

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

import java.util.Random public class Main public static void main String args Generate data int arraySize 32768 int data.. when the data is sorted. A general rule of thumb is to avoid data dependent branching in critical loops. such as in this..

What is an undefined reference/unresolved external symbol error and how do I fix it?

http://stackoverflow.com/questions/12573816/what-is-an-undefined-reference-unresolved-external-symbol-error-and-how-do-i-fix

to symbolName for gcc . The code struct X virtual void foo struct Y X void foo struct A virtual ~A 0 struct B A virtual.. for gcc . The code struct X virtual void foo struct Y X void foo struct A virtual ~A 0 struct B A virtual ~B extern int x.. struct A virtual ~A 0 struct B A virtual ~B extern int x void foo int main x 0 foo Y y B b would generate the following errors..

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

class Foo public int bar Foo int num bar num int main void std cout Foo 42 .bar std endl return 0 What does this strange..

What is the copy-and-swap idiom?

http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom

difficult. How should it be done What pitfalls need to be avoided The copy and swap idiom is the solution and elegantly assists.. assists the assignment operator in achieving two things avoiding code duplication and providing a strong exception guarantee.. we do that as follows class dumb_array public ... friend void swap dumb_array first dumb_array second nothrow enable ADL..

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

argument. For example template typename T struct Foo T bar void doSomething T param do stuff using T somewhere in a .cpp Foo.. which is equivalent to the following struct FooInt int bar void doSomething int param do stuff using int Consequently the compiler.. end of the header. Foo.h template typename T struct Foo void doSomething T param #include Foo.tpp Foo.tpp template typename..

When to use forward declaration?

http://stackoverflow.com/questions/553682/when-to-use-forward-declaration

functions or methods which accept return incomplete types void f1 X X f2 Define functions or methods which accept return pointers.. to the incomplete type but without using its members void f3 X X X f4 X f5 What you cannot do with an incomplete type.. compiler error Define functions or methods using this type void f1 X x compiler error X f2 compiler error Use its methods or..

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

typename T For the last node Tn. struct UnionNode T void ... template typename U struct inUnion char fail sizeof U Cannot.. T2 T3 derives from UnionNode T1 UnionNode T2 UnionNode T3 void and UnionNode T Tail derives from Tail. The specialization UnionNode.. T Tail derives from Tail. The specialization UnionNode T void holds a void which contains the actual data and an index to..

What does void mean in C, C++, and C#?

http://stackoverflow.com/questions/1043034/what-does-void-mean-in-c-c-and-c

and C# Looking to get the fundamentals on where the term VOID comes from and why it would be called void. The intention of..

How to write a custom native visualizer DLL for Visual Studio 2012 debugger?

http://stackoverflow.com/questions/11545418/how-to-write-a-custom-native-visualizer-dll-for-visual-studio-2012-debugger

struct tagDEBUGHELPER pThis DWORD dwAddr DWORD nWant VOID pWhere DWORD nGot from here only when dwVersion 0x20000 DWORDLONG.. struct tagDEBUGHELPER pThis DWORDLONG qwAddr DWORD nWant VOID pWhere DWORD nGot int WINAPI GetProcessorType struct tagDEBUGHELPER..

POINTER_32 - what is it, and why?

http://stackoverflow.com/questions/3447812/pointer-32-what-is-it-and-why

UCHAR DataIn ULONG DataTransferLength ULONG TimeOutValue VOID POINTER_32 DataBuffer here ULONG SenseInfoOffset UCHAR Cdb 16..

c++ using too much cpu

http://stackoverflow.com/questions/3561613/c-using-too-much-cpu

vS2Enemie1 vector POINT vRegularShots Enemies Enemie1 VOID installising Enemie1.cEnemie1 0 Enemie1.dEnemie1 1 Enemie1.aEnemie1.. true POINT pt pt.x 0 pt.y 0 vRegularShots.push_back pt VOID Paint HDC hdc HWND hWnd int lifePos 200 hdc GetDC hWnd HDC memDC..

Is there a C pre-processor which eliminates #ifdef blocks based on values defined/undefined?

http://stackoverflow.com/questions/525283/is-there-a-c-pre-processor-which-eliminates-ifdef-blocks-based-on-values-define

with a real world but still simple example #ifdef USE_VOID #ifdef PLATFORM1 #define VOID void #else #undef VOID typedef.. simple example #ifdef USE_VOID #ifdef PLATFORM1 #define VOID void #else #undef VOID typedef void VOID #endif PLATFORM1 typedef.. USE_VOID #ifdef PLATFORM1 #define VOID void #else #undef VOID typedef void VOID #endif PLATFORM1 typedef void VOIDPTR #else..

void, VOID, C and C++

http://stackoverflow.com/questions/540748/void-void-c-and-c

VOID C and C I have the following code typedef void VOID int f void.. VOID C and C I have the following code typedef void VOID int f void int g VOID which compiles just fine in C using gcc.. have the following code typedef void VOID int f void int g VOID which compiles just fine in C using gcc 4.3.2 on Fedora 10 ...

Why are unhandled exceptions thrown in win32 timer callbacks not treated as unhandled exceptions by the debugger?

http://stackoverflow.com/questions/8903400/why-are-unhandled-exceptions-thrown-in-win32-timer-callbacks-not-treated-as-unha

issue #include stdafx.h #include Windows.h class FooExcept VOID CALLBACK Timer HWND hwnd UINT uMsg UINT_PTR idEvent DWORD dwTime..

How do I programatically get the version of a DLL or EXE file?

http://stackoverflow.com/questions/940707/how-do-i-programatically-get-the-version-of-a-dll-or-exe-file

verHandle verSize verData if VerQueryValue verData VOID FAR FAR lpBuffer size if size VS_FIXEDFILEINFO verInfo VS_FIXEDFILEINFO..

building and accessing a list of types at compile time

http://stackoverflow.com/questions/18701798/building-and-accessing-a-list-of-types-at-compile-time

variadic templates and a macro Header common.h A distinct Void type struct Void template typename ... struct concat template.. and a macro Header common.h A distinct Void type struct Void template typename ... struct concat template template typename.. typename ... class List typename T struct concat List Void T typedef List T type template template typename ... class List..

Why do we have reinterpret_cast in C++ when two chained static_cast can do its job?

http://stackoverflow.com/questions/5025843/why-do-we-have-reinterpret-cast-in-c-when-two-chained-static-cast-can-do-its-j

cast to use static_cast or reinterpret_cast Cast from Void to TYPE static_cast or reinterpret_cast c casting reinterpret..

How to display a cv::Mat in a Windows Form application?

http://stackoverflow.com/questions/9580397/how-to-display-a-cvmat-in-a-windows-form-application

the image temporarily to the hard drive private System Void button1_Click System Object^ sender System EventArgs^ e namedWindow..