There's a ton of information available on overloading operator<< to mimic a toString()-style method that converts a complex object to a string. I'm interested in also implementing the inverse, operator>> to deserialize a string into an object. By inspecting the STL source, I've gathered that: istream &operator>>(istream &, Object &); ...
Hi. I have a c++ app that I'm trying to port to iPhone and to start off I'm trying to replace my c++ texture loader with an obj-c++ texture loader so that I can make use of the cocoa libraries. A lot of my c++ files (.cpp files) call the texture loader with something like: GLuint mTexture = TextureLoader::LoadTexture("file.png") //Load...
I have a 2D array of p*q. I want to sort this array in bunches of 2D arrays of m*n where p>m and p=km and q>n and q=kn and where k is and integer. for example i have array of 16*16 and i have divided it into 2d arrays of 4*4 now i want to sort these 4*4 arrays independently. Which algorithm can i use to sort these in place.means without...
I'm trying to create a vector for D3DXMATRIXA16 like so: vector<D3DXMATRIXA16> matrices; and am getting the error: d:\Program Files\Microsoft Visual Studio 9.0\VC\include\vector(717) : error C2719: '_Val': formal parameter with __declspec(align('16')) won't be aligned e:\projects\emuntitled\em\emscratch\emshadow.h(...
Hi, I am trying to run blocking_udp_echo_server.cpp from Boost asio example on MacOSX 10.5. But it crashes: From the console: /Developer/SDKs/MacOSX10.5.sdk/usr/include/c++/4.0.0/debug/safe_iterator.h:127: error: attempt to copy-construct an iterator from a singular iterator. Objects involved in the operation: iterator "this" @ 0...
Preferably using C++. Or a tool I can use from the command line. So far I've figured out how to extract icons from .exe files, but I can't set icons... Any suggestions? ...
In a project I have 2 classes: // mainw.h #include "IFr.h" ... class mainw { public: static IFr ifr; static CSize=100; ... }; // IFr.h #include "mainw.h" ... class IFr { public float[mainw::CSize]; }; But I cannot compile this code, getting an error at the static IFr ifr; line. Is this kind of cross-inclusion prohibited? ...
Hi, I try to create a thread in QT, can declare, create and start it, however it doesn't fire Run function (I can see that via putting a breakpoint in that function) VT.h: class VT : public QThread { public: void Run(); }; VT.cpp void VT::Run() { .. } and in main.cpp: VT vt; vt.Start(); // starts ok but no action I am in...
Suggest some plugins you find useful in your day by day work. Eclipse CDT repositories: Helios: http://download.eclipse.org/releases/helios C++ Development Tools: http://download.eclipse.org/tools/cdt/releases/helios Plugins: Subclipse: http://subclipse.tigris.org/update_1.6.x Eclipse Linux Tools: http://download.eclipse.org/t...
I have experience with OCaml. You had to write a stub for every function you wanted to use to convert the types even C int <-> OCaml int. Linking was painful a well. I don't even want to thing about mapping C++ objects. What about other popular languages? Is it always a pain? EDIT: Please avoid duplicates. And state C and C++ interfac...
I want to handle some SAPI messages from a DLL, which is some sort of plugin. How to handle messages/events inside a VC++ dll. The SAPI event handling is shown in the example at: http://msdn.microsoft.com/en-us/library/ms720165%28VS.85%29.aspx ...
I need to use a function's/functor's returned value without knowing what type it is (that is, as a template). While I could pass it over to a second function without a problem: template <typename T> void DoSomething(T value); ... DoSomething(FunctionWhoseReturnedTypeIsUnknown(...)); I want to use the returned value inline (without ...
Defined as: Class.h #ifndef CLASS_H_ #define CLASS_H_ #include "Class2.h" #include <iostream> struct Struct1{ }; struct Struct2{ }; class Class1 { }; #endif Then the other header file, where I use this: #ifndef CLASS2_H_ #define CLASS2_H_ #include "Class.h" class Class2 { public: Class2( Struct1* theStruct,...
Hi there, How do you work out the alignment of an address by just looking at it? On a 32bit system, an address of 0x12345670 means it's 16 byte aligned (because of the 0 on the end) right? So what about: 0x12345671 0x12345672 0x12345673 etc? Cheers, Jon ...
Most of C++ programmers are waiting for C++0x. An interesting feature and a confusing one (at least for me) is the new nullptr. Well, no need anymore for the nasty macro NULL. int* x = nullptr; myclass* obj = nullptr; Still, I am not getting how nullptr works. For example, Wikipedia article says: C++0x aims to correct this by i...
I'm writing a client-server application where client should be able to automatically detect server presence in the network so that user would not have to mess with manual configuration. I think that server should broadcast its presence somehow. What is the best way to do it? Server is to be run on either Windows / Linux or OS X, so the...
I Have an edit control (a text field) which I want to animate. The animation I want is that it slides out, creating an extra line for this text field. I am able to animate my text field and able to make it larger, however to show the sliding animation I first have to hide it. This means the entire text fields slides out as if being creat...
#include <stdio.h> int doHello(){ doHello(); } int main(){ doHello(); printf("\nLeaving Main"); return 0; } When you run the program quits without printing the message "Leaving Main" on the screen. This is a case of Stack Overflow and because of which program is terminating but I don't see any error messages on the co...
Say I want a C++ function to perform arithmetic on two inputs, treating them as a given type: pseudo: function(var X,var Y,function OP) { if(something) return OP<int>(X,Y); else if(something else) return OP<double>(X,Y); else return OP<string>(X,Y); } functions that fit OP might be like: template <class T> add(var X,var Y) ...
I'm working on a program to solve the n queens problem (the problem of putting n chess queens on an n x n chessboard such that none of them is able to capture any other using the standard chess queen's moves). I am using a heuristic algorithm, and it starts by placing one queen in each row and picking a column randomly out of the column...