51,593 Topics
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| | Hi guys, I have been trying to implement the A* algorithm in C++ and would like to make use of the priority_queue structure to hold the open and closed lists of nodes. The problem is, all of the algorithms that I have found use the equivalent of a "search/contains" function … |
 | I have an array of data of the form: union colour { unsigned int argb; struct{ unsigned char a; unsigned char r; unsigned char g; unsigned char b; }bigendian; struct{ unsigned char b; unsigned char g; unsigned char r; unsigned char a; }littleendian; }; struct sprite { int w,h;//stores the … |
| | hi guys! today i tried file writing through VC++ 2010. suddenly a point stroke in my mind to create a file which may not be read by notepad or it gives error or some wrong output as it is mostly seen on opening a pdf file in notepad. for this …  |
| | I'm trying to clip my Button with the following code but it does not work at all.. #pragma comment(linker,"\"/manifestdependency:type='win32' \ name='Microsoft.Windows.Common-Controls' version='6.0.0.0' \ processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"") #pragma comment(lib, "Gdiplus.lib") void RegionCloseButton(HWND hwnd) { CloseRegion = GetDC(hwnd); CloseRegionMem = CreateCompatibleDC(CloseRegion); Gdiplus::Graphics graphics(CloseRegion); Gdiplus::FontFamily fontFamily(L"Courier New"); Gdiplus::GraphicsPath path; Gdiplus::PointF Origin(5, 5); path.AddString(L"X", … |
| | Hey all i am trying to write a Min Heap program using that allows insertion and deletion. I have the code for what i believe is insertion, but i am having trouble trying to figure out code to heapify and remove from the heap. If possible could anyone lend me … |
| | #include <iostream> #include<string> using namespace std; struct people { string fname; string lname; void input() { cin>>people.fname>>people.lname; } void output() { cout<<people.fname<<people.lname; } }; struct birthday{ int day; int month; int year; void output() { cout<<day<<birthday.month<<birthday.year; } void input() { cin>>day>>month>>year; } }; int i; int main() { cout<<"Birthday Program"<<endl; … |
| | Hey all, I've been searching Rohitab, CodeProject and various other sites to figure out how to write OPCodes to a file and cannot figure it out. I thought I'd ask here because it's the only site I have an account on and I usually get my answers here or hints. …  |
| | Does C++ Console apps have a TryParse equivalent.. I mean .Net has it for both C# and C++ but why does C++ Consoles NOT have this! Or am I just wrong and cannot find it? I was thinking of writing my own with templates that can be use for ANY …  |
| | Write pseudocode and has the following; 1. It should write the guess secret number to standard output 2. It should ask yhe user if the secret number is higher, lower or if you guessed correctly 3. It should read the answer. Repeat the question if it is not one of …  |
| | Hi gueys, I have question searched in google but without something that can help. **How to get the binary stream from files ( especially executable files) using winapi (CreateFile , etc)????** I learned in these days how to read write files using Createfile, ReadFile, WriteFile , etc and all these …  |
| | Hi, I have a problem with a the imput of some data on a program Im making (FYI new in c++, homework). So basicly the progrma I have is to imput diferent type of data, this is what im doing. (Im using codeblock 8.02 in Ubuntu 10.04 ) #include <iostream> … |
 | Hi guys, I am programming in C++ with NetBeans. It works fine when I playing with just one main.cpp file. But After I added an additianal class (1 .cpp and 1 .h), it makes an error even though I do not make any changes in the new files. (all I … |
| | I'm not sure what i'm doing wrong, any help would be great. main.cpp(58): error C3861: 'preOrederHelper': identifier not found main.cpp(53) : while compiling class template member function 'void tree<T>::preOrderHelper(treeNode<T> *) const' with [ T=int ] main.cpp(9) : while compiling class template member function 'tree<T>::tree(void)' with [ T=int ] main.cpp(103) : … |
 | I am trying to run chekstyle on all of my files within a project. So I have model, view, and controller folders all with their subfolders of .h and .cpp files. Is there any way to grab all the files that end in .h or .cpp without having to individually … |
| | I am using code::blocks and have written a dll. I am currently testing it but am getting tired of having to compile it, copy the DLL, DEF, H and A files into a test project, and then compiling the test project every time I need to fix something. Is there … |
| | I was just wondering why do we exactly call glTranste command if its possible just to increase objects x, y or z. And its even stated in this tutorial: http://nehe.gamedev.net/tutorial/particle_engine_using_triangle_strips/21001/ that its even faster to only use Vertex3f() instead of resetting the Modelview Matrix. Anyways, maybe its just something particular … |
| | This code: DomainThingy^ thingy = (DomainThingy^)_scriptDomain->CreateInstanceAndUnwrap(Assembly::GetExecutingAssembly()->FullName, DomainThingy::typeid->FullName); Produces this error: System.InvalidCastException was unhandled Message: Unable to cast transparent proxy to type 'Hook.DomainThingy'. Does anyone knows how to fix it? |
| | I need help with this code Constructer is abnormally called again n again.... add these file 2 a project n run ...i've given given constant messages in da code to explain the problem! Hit (1) two tyms i.e GetInput function in da menu.... u'll get 2 knw wat da problem … |
| | Hello,I need to read a file containing 161 commands and store it in a vector of strings using vector_pushback and then print the 161 commands.Which is the best way to proceed with this ? |
| | Could someone tell me why I can't use the following code? It kept saying 'string' does not contain a definition for 'Match' and no extension method 'Match'. string SearchText = "7,true,NA,false:67,false,NA,false:5,false,NA,false:5,false,NA,false"; string Regex = @"\btrue\b"; int NumberOfTrues = Regex.Match(SearchText, Regex).Count;  |
| | hi. i have some code in visual basic and i wrote some classes in c++ and i want make it dll but i don't know that when you use dlls it decreases the speed of process or not. thanks.  |
| | I have been programming in c++ for a while now, and i see the windows.h class is very handy on windows computers, where can i find a good tutorial for windows.h (winapi) (win32) programming. The ones i found so far either doesnt give you enought info on programming and some … |
| | How can I have my program modify itself? Example: Size = 1mb ..Run program once.. size = ++1mb On Second Run, check if itself is 1mb Or something of the sort :S. I need to be able to check if my program has ever been ran before.. So.. Is there … |
| | I am having an error that I can't seem to get past. The problem I get is an internal server error 500 when I try to run the C++ CGI script. here is my HTML document. I am using Apache Web Server. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> … |
| | i need help in adding the c++ code for the average mark, highest mark, lowest mark, number of students passing, using array 01 #include<iostream> 02 using namespace std; 03 int main() 04 { 05 int gradeRange [4]= {0,0,0,0}; 06 int mark = 0; 07 int counter = 0; 08 09 … |
| | i need help in adding the c++ code for the average mark, highest mark, lowest mark, number of students passing, using array #include<iostream> using namespace std; int main() { int gradeRange [4]= {0,0,0,0}; int mark = 0; int counter = 0; while (mark < 101) { cin >> mark; if … |
| | Hi guys, I'm trying to read data from an excel "csv" file and save it in a list. the problem is that I want to have a copy of this list named "list1" that will not change during the manipulations and claculations, because when I copied the contents of "list1" … |
| | void DLL_EXPORT Replace(LPCTSTR OriginalFile, LPCTSTR FileToReplace, LPCTSTR BackupOfFileToReplace) { HGLOBAL LoadResource(HMODULE hModule, HRSRC hResInfo); try { BOOL WINAPI ReplaceFile(OriginalFile, FileToReplace, BackupOfFileToReplace); MessageBox(NULL, "Done", "Alert", 0); } catch (...){} } The above is my code and it gives me errors like: In function 'void Replace(LPCTSTR, LPCTSTR, LPCTSTR)':| warning: '__stdcall__' attribute only … |
| | Hey, this is the task I have to do http://faculty.winthrop.edu/olsena/CSCI%20207/c207p6CalcAveClasses-s12.pdf I'm trying to read each part..I have to read in the ID, exam, test grades, program grades, and lab test/quiz grades. In the insructions, it says I have to set methods for each one which I did. Now i'm having … |
| | I have the program working up to the point where at the end of every test it fails and get. where do I need to look to start fixing the failed tests.(files are attached at the bottom) This is my output: START OF TEST 1: Testing insert, attach, and the … |
| | Hey all, Back with another Win32 question. When I paint to my window (create a background image), what happens is that everything is fine until I draw the window off the screen causing it to invalidate everything.. When dragged back onscreen, my background is redrawn but my controls are all …  |
| | So I've been working on a Hash Table that uses nodes to store data. I'm having issues figuring out the copy constructor and assignment operator overloader. In my main I instantiate 3 hash tables. 1 default(size 10), 1 size 7 and another one that copies hashtable size 7 to it. … |
| | Hi gueys, I have spent weeks in searching to know how to Explore hard disk files using c++ driver developping?. I'm developing anti-virus program, only I want is: when the user choose custom scan from scan options the program load a driver and send the path to the driver and … |
 | How can two classes uses each other without violating declaration before use? Can you give me an example? |
| | I want to implement an event similar to taggin a photo in wpf. Wht functionality should i use to mark a certain area of an image in order to tag it. thakx in advance. ps: i have tried <pres:RadTransitionControl.ContentTemplate> <HierarchicalDataTemplate> </HierarchicalDataTemplate> </pres:RadTransitionControl.ContentTemplate> and <Image></Image> but those dont support that fuctionality |
| | I wrote a selling ticket program for a concern into a text file name "Sales.txt" to show the TotalValue with the following format: 21 30 40 24 87 44 51 29 58 20 Totally, I have 10 values. However, my new assignment asks me to make a new program that … |
| | By background, I am a database person. I am trying really hard to wrap my head around C++ for a class I am taking. The following is an assignment that I just received. I don't want the answers but I would like if possible, to start a discussion. My class … |
| | Just wanted to know if we need to texture map the texture on the model with code or is it better to just import a model with textures already on him? (considering its even possible) |
| | case WM_MOUSEMOVE: if (wParam & MK_LBUTTON) { RECT WindowRect; POINT CursorPos; GetWindowRect(hwnd, &WindowRect); GetCursorPos(&CursorPos); SetWindowPos(hwnd, 0, WindowRect.left - CursorPos.x, WindowRect.top - CursorPos.y, 291, 157, 0); } break; Hey Guys The above code isn't working for me. I'm trying to have the user Drag my borderless window but the thing just … |
 | Hey i want to know how to make my single linked list a double can anyone help? #include "MyLinkedList.h" #include <iostream> int main() { SListNode<int>* list = new SListNode<int>; //Set 3 LinkedList nodes to contain 3 int variables. list->m_data = 10;//(1). list->m_next = new SListNode<int>; list->m_next->m_data = 20;//(2). list->m_next->m_next = … |
| | Hello everybody, I need a way to practice the basics of c++ that i learned.I can use classes, objects, pointers and the very basics. What can i do to practice them in a useful way. I dont want to make a useless program. Please give me ideas and thanks !! |
 | So I have an assignment where I am supposed to create an oop that will run on a provided Unix server. I have a Mac so when I run the makefile in Terminal, I don't get any errors. But when I try to run the makefile in the provided Unix … |
| | Let me try again my name is Leonard Norwood Jr. I'm doing my homework where I have to write a program that outputs the users's weight on different planets. Should sound familiar With classes, I need to have one default constuctor that will create an object representing earth. The class … |
| | Hey everyone, I am working on this project and do not know where to start. Can anyone lead me in the right direction? I am very poor in this background and could use all the help I can get. So, any help would be very much appreciated. Here are the … |
| | Dear All I really realy could not find by searching.. Please give your attention for this one. 1st of all, i need to deal with multiple files, but NOT inputting file name each time. Two questions. 1) How to send more than one file to command line arguments. 2) Can …  |
| | Write a simple Mathematics quiz application which has six selections as below: 1) To register number of participants and name 2) To set level of difficulty (level: Beginner or Advanced) 3) To start the quiz (default: Beginner level) 4) To display the scores 5) To show ranking 6) To quit … |
| | Hello, I'm working on an assignment right now and I need some feedback. My project is to implement a graph that uses an adjacency list like an Edge list. I'm fairly new with these and I would apprecite if anyone can see my code if I'm on the right track. … |
| | hi all , i need help with a c++ program here is the qustion Question # Write a program that contains a function named "remove_duplicates" that takes an array of integers in random order, and then eliminates all the duplicate integers in the array. The function should take three arguments: … |
| | I have the following simple code. It consists of an array with 4 items. It first displays the items, then asks the user to delete as many as they want.(with an option to continue without deleting anything). After the user has removed or not removed items, the program will display … |
 | [Link Anchor Text](http://s7.postimage.org/wdzzqzst7/weird_error.png) I click yes, thought so, this never popup when I'm compile any file before. [Link Anchor Text](http://s14.postimage.org/6bhslq23l/weird_error2.png) can anyone explain what I'm doing wrong here, I mean, I just copied all the code given in the book (Accelerated C++), then try to compile, but fail. help? =(. |
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