Hello, i need to write a template with Nodes containing data with 2 data structures : a map and a minimum heap, both got the same nodes in it and every 2 same nodes are connected. the problem is that i need the heap to know the node fields for the heapify for example, and i don't know what's the right way to do so, friends? public fields...
hello i am building a template in c++ ,and i need to overwrite the operator "<" inside the template for being able to compare between items inside my data structure. could anyone please tell me how to overwrite it ... should i send a pointer to a function inside the constructor of the template? I got two templates, the first one is Node ...
Is it possible on Windows without using WinAPI? ...
I'm coding a small and basic error tracker with Qt. The whole application is in a QTable. Each error is linked to a file ; so, one of the columns of my table deals with that. I have a QLabel and a button next to it ; you click on the button to select a file, and then, the label displays the name of the file. What I'd like to do now : t...
Hello i want to develop some game and i am at a beginner level. so when i searched it on Google a long list of various game engines (like Delta 3D,Panda 3D) comes and when i looked at wikipedia it also showed a very large list so i am confused that from where i start. So suggest me a good game engine and some good tutorial or a ...
I've tried to run the following code on my PC. With PORT 0x378 (LPT1 data) it works fine. But with PORT 0x379 (LPT1 status) it always returns 126 no matter what I output in the previous line. 0x37A works too. I have Windows XP #define PORT 0x379 #define DATA 255 int main(int argc, char *argv[]) { Input input; Output output; ...
those are the maps: multimap<SortKey,T> firstMap; multimap<SearchKey,pair<SortKey,T>*> secondMap; template <class T,class SortKey, class SearchKey> bool GarageDataBase<T,SortKey,SearchKey>::Add(T data,SortKey key1, SearchKey key2) { multimap<SortKey,T>::iterator it; it=(firstMap.insert(pair<SortKey,T>(key1,data))); pair<SortKey,T>...
I have to design and implement a program to accomplish drum stick matching (not the eating one). There are two parameters I have to check i.e Weight and Pitch (acoustical property) for the two different drumstick and find pair of matching drumstick. I created three classes i.e Bin, Sorter and Stick and in project description Robot class ...
I am searching for a (multi)map where there values are associated by different key types. Basically what was asked here for Java but for C++. Is there something like this already or do I have to implement it myself? Another, more simple case (the above case would solve this already but there may be a more simple solution esp for this ...
Possible Duplicate: Template type deduction in C++ for Class vs Function? When calling a template function, you don't need to specify the template parameters if they are non-ambiguous from your parameters. E.g. for: template<typename T> T foo(T a) { /*...*/ } You can just call foo(1) and it will work, it does not need to be...
I want to get information about functions in global hook chain in windows. in fact i need to get the list of them and get their corresponding application if it's possible. As far as I know there is no windows API for doing this so I think i have to find them by going through the hook chain link list. but i don`t know the data structure ...
i m looking for a bayesian network library that work on the iphone. any tip ? ...
Hi, I have an very strange error : When i want to use the SocialServer::Client class from my SocialServer::Server class the linker threw me 2 LNK2019 errors : Error 1 error LNK2019: unresolved external symbol "public: void __thiscall SocialServer::Client::Handle(void)" (?Handle@Client@SocialServer@@QAEXXZ) referenced in function "priva...
I think my problem is best described in code: #include <stdio.h> struct Foo; extern Foo globalFoo; struct Foo { Foo() { printf("Foo::Foo()\n"); } void add() { printf("Foo::add()\n"); } static int addToGlobal() { printf("Foo::addToGlobal() START\n"); globalFoo.add(); prin...
class student { char *name; int I; public: student() { I=0; name=new char[I+1]; } student(char *s) { I=strlen(s); name=new char[I+1]; strcpy(name,s); } void display() { cout<<name<<endl; } void manipulate(student &a,student &b) { I=a.I+b.I; delete name; name=new char[I+1]; strcpy(name,a.name); strcpy(n...
Is it possible to make one program, written in Java, C++ and D? ...
I have a conversion like this: Class1 *p1; Class2 *p2 = new Class2(); p1 = (Class1 *) p2; Can I override the typecast operator above to return a custom Class1 object pointer? If yes how? EDIT: My exact problem is that I have code like this: if (*$1 == ArrayType(AnyType())) { $$ = ((ArrayType *) $1)->getElementsType(); } Operat...
is there any easy tutorial to show how to make operating system says hello world using c++ ...
Can anyone suggest a guide for learning the OpenGL 3.2 core profile? The SDK is hard to read, and most of the guides I have seen only taught the old method. ...
template<typename T1, typename T2> class Bimap { public: class Data; typedef Data* DataP; typedef std::multimap<T1, DataP> T1Map; typedef std::multimap<T2, DataP> T2Map; class Data { private: Bimap& bimap; T1Map::iterator it1; /*...*/ }; }; This gives me this compile error: erro...