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c++ Programming Glossary: myclassRegular cast vs. static_cast vs. dynamic_cast http://stackoverflow.com/questions/28002/regular-cast-vs-static-cast-vs-dynamic-cast really understood. I've obviously used regular casts i.e. MyClass m MyClass ptr all over the place but there seem to be two other.. I've obviously used regular casts i.e. MyClass m MyClass ptr all over the place but there seem to be two other types.. What's the difference between the following lines of code MyClass m MyClass ptr MyClass m static_cast MyClass ptr MyClass m dynamic_cast..
http://stackoverflow.com/questions/4589237/c-initialization-lists the generated code is there a really difference between MyClass MyClass _capacity 15 _data NULL _len 0 and MyClass MyClass _capacity.. code is there a really difference between MyClass MyClass _capacity 15 _data NULL _len 0 and MyClass MyClass _capacity.. between MyClass MyClass _capacity 15 _data NULL _len 0 and MyClass MyClass _capacity 15 _data NULL _len 0 thanks... c initialization..
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 No outside Access is allowed. An Source Code Example class MyClass public int a protected int b private int c int main MyClass.. public int a protected int b private int c int main MyClass obj obj.a 10 Allowed obj.b 20 Not Allowed gives compiler error..
When should I use the new keyword in C++? http://stackoverflow.com/questions/655065/when-should-i-use-the-new-keyword-in-c should I be using it or not 1 With the new keyword... MyClass myClass new MyClass myClass MyField Hello world 2 Without the.. it or not 1 With the new keyword... MyClass myClass new MyClass myClass MyField Hello world 2 Without the new keyword... MyClass.. myClass MyField Hello world 2 Without the new keyword... MyClass myClass myClass.MyField Hello world From an implementation perspective..
http://stackoverflow.com/questions/1282295/what-exactly-is-nullptr no need anymore for the nasty macro NULL . int x nullptr myclass obj nullptr Still I am not getting how nullptr works. For example..
http://stackoverflow.com/questions/15431365/cudamemcpy-segmentation-fault more complicated. Suppose I have a class like this class myclass int myval int myptr I could instantiate the above class on the.. could cudaMalloc a pointer to device memory that will hold myclass optionally copy an instantiated object of myclass on the host.. hold myclass optionally copy an instantiated object of myclass on the host to the device pointer from step 1 using cudaMemcpy..
somehow register my classes in a list http://stackoverflow.com/questions/1691473/somehow-register-my-classes-in-a-list to know that it exists... example Somehow from outside the myclass in a scope that will be called in the begining of the proccess.. I have to map it manually desirable #define CLASSREGISTER myclass makethemagic ##myclass class myclass I know with that define.. desirable #define CLASSREGISTER myclass makethemagic ##myclass class myclass I know with that define I couldn't use inheritance..
How to use boost bind with a member function http://stackoverflow.com/questions/2304203/how-to-use-boost-bind-with-a-member-function use boost bind to create a function to a calls a method of myclass #include stdafx.h #include boost function.hpp #include boost.. #include boost bind.hpp #include functional class myclass public void fun1 printf fun1 n void fun2 int i printf fun2 d.. fun2 d n i void testit boost function void f1 boost bind myclass fun1 this boost function void int f2 boost bind myclass fun2..
Does vector::erase() on a vector of object pointers destroy the object itself? http://stackoverflow.com/questions/6353149/does-vectorerase-on-a-vector-of-object-pointers-destroy-the-object-itself delete x return true And this can be called as for_each myclassVector.begin myclassVector.end DeleteVector myclass where myclassVector.. And this can be called as for_each myclassVector.begin myclassVector.end DeleteVector myclass where myclassVector is your vector.. myclassVector.begin myclassVector.end DeleteVector myclass where myclassVector is your vector containing pointers to myclass..
Passing shared pointers as arguments http://stackoverflow.com/questions/10826541/passing-shared-pointers-as-arguments an object wrapped in a shared pointer std shared_ptr myClass myClassObject new myClass then I wanted to pass it as an argument.. object wrapped in a shared pointer std shared_ptr myClass myClassObject new myClass then I wanted to pass it as an argument to.. a shared pointer std shared_ptr myClass myClassObject new myClass then I wanted to pass it as an argument to a method DoSomething..
C++ deprecated conversion from string constant to 'char*' http://stackoverflow.com/questions/1524356/c-deprecated-conversion-from-string-constant-to-char str 256 and for it I have an explicit constructor explicit myClass const char func strcpy str func I call it as myClass obj example.. myClass const char func strcpy str func I call it as myClass obj example When I compile this I get the following warning..
problem sorting using member function as comparator http://stackoverflow.com/questions/1902311/problem-sorting-using-member-function-as-comparator the class class MyClass struct Less Less const MyClass c myClass c bool operator const int i1 const int i2 use 'myClass' MyClass.. c myClass c bool operator const int i1 const int i2 use 'myClass' MyClass myClass doSort std sort arr arr someSize Less this.. operator const int i1 const int i2 use 'myClass' MyClass myClass doSort std sort arr arr someSize Less this share improve this..
http://stackoverflow.com/questions/2491707/memory-management-in-qt What happens to the instance variable myOtherClass when myClass is destroyed What happens if I don't delete and or destroy my..
Difference between const declarations in C++ http://stackoverflow.com/questions/487048/difference-between-const-declarations-in-c in C What is the difference between void func const Class myClass and void func Class const myClass See also http stackoverflow.com.. void func const Class myClass and void func Class const myClass See also http stackoverflow.com questions 269882 c const question.. The difference is that for void func const Class myClass You point to a class that you cannot change because it is const...
C++ Dynamic Shared Library on Linux http://stackoverflow.com/questions/496664/c-dynamic-shared-library-on-linux destroy void MyClass dlsym handle destroy_object MyClass myClass MyClass create myClass DoSomething destroy myClass On Mac OS.. dlsym handle destroy_object MyClass myClass MyClass create myClass DoSomething destroy myClass On Mac OS X compile with g dynamiclib.. MyClass myClass MyClass create myClass DoSomething destroy myClass On Mac OS X compile with g dynamiclib flat_namespace myclass.cc..
When should I use the new keyword in C++? http://stackoverflow.com/questions/655065/when-should-i-use-the-new-keyword-in-c I be using it or not 1 With the new keyword... MyClass myClass new MyClass myClass MyField Hello world 2 Without the new keyword..... not 1 With the new keyword... MyClass myClass new MyClass myClass MyField Hello world 2 Without the new keyword... MyClass myClass.. MyField Hello world 2 Without the new keyword... MyClass myClass myClass.MyField Hello world From an implementation perspective..
Is C++ static member variable initialization thread-safe? http://stackoverflow.com/questions/1962880/is-c-static-member-variable-initialization-thread-safe safe class TestClass public static MyClass m_instance Myclass TestClass m_instance Thanks in advance c multithreading static..
C++ Returning multidimension array from function http://stackoverflow.com/questions/3716595/c-returning-multidimension-array-from-function a multidimensional array hidden in a private field class Myclass private int myarray 5 5 public int get_array ........ int Myclass.. private int myarray 5 5 public int get_array ........ int Myclass get_array return myarray cannot convert int 5 5 to int in return.. the size of a pointer but to arrays of 5 integers. class Myclass private int myarray 5 5 public typedef int pointer_to_arrays..
questions regarding shared_from_this http://stackoverflow.com/questions/5232712/questions-regarding-shared-from-this do I need to derive again That is class MyCoolClass public Myclass void someCoolMember someCoolFuncTakingSharedPtrToMyCoolClass.. OK Or correct is the following class MyCoolClass public Myclass public enable_shared_from_this MyCoolClass void someCoolMember..
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 own Base class Consider the following code example class Myclass protected int x class derived public Myclass public void f Myclass.. example class Myclass protected int x class derived public Myclass public void f Myclass obj obj.x 5 int main return 0 It gives.. protected int x class derived public Myclass public void f Myclass obj obj.x 5 int main return 0 It gives an compilation error..
Store pointers to member function in the map http://stackoverflow.com/questions/630920/store-pointers-to-member-function-in-the-map descrToFuncMap public static void Initialize void Process Myclass m string void Processor Initialize descrToFuncMap X MyClass.. string MemFuncGetter descrToFuncMap public void Process Myclass m string void Processor Process MyClass ms const std string..
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