51,593 Topics
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 | This has me a bit stumped but I must be doing something wrong here, if you don't mind checking this for me would be greatly appreciated. [CODE]int main () { int input; cout << "Enter a positive intiger to determin if it is odd or even (-1 to cancel): "; … |
| | Hi.... I'm a beginner at this programming thing and I need some help using nested for loops this is an assignment i have to do for my class, basically the output should be something like this.. the characters depends on what the user inputs and how many rows the user … |
| | Hi Currently I am working in a project in which I have to track the Audio wave file in such a way there are two threads running one for write the buffer into file and second thread is used to pick the buffer after every ten seconds. I am using … |
| | i have this code where i have to take user input of sales and display it as a chart. (see code/sample run below) my problem is if the user enters like $923.89, it should round down to $900 -but with the code i have, it moves it up to 1000. …  |
| | Hi, I got some difficulity how to move bitmap image in my application basically, the algorithm is like this, I've got CDC as m_MapDC and it already being created and DrawPoint basically use for draw truck in the mapDC but the result is there is no truck in the map … |
| | Alright I have been working on this game for like a week or 2 now, but I am having some trouble towards the end. Heres the code I have gotten so far: [code=c++]#include <iostream> #include <ctime> #include <cstdlib> using namespace std; char play; int guess; bool done; int noOfGuesses = … |
| | I need help with a homework assignment. The assignment is to take a paragraph from an infile and change the words French into Freedom. Also when the phrase "an arbitrary end point" is seen I need to end the paragraph. And also if an integer if present the integer needs … |
| | I am trying to compile my program and I am getting alot of these errors: [CODE]Parser.cpp:9: error: stray ‘\200’ in program Parser.cpp:9: error: stray ‘\231’ in program Parser.cpp:9: error: stray ‘\342’ in program[/CODE] That sequence of three lines just keeps repeating and repeating. These are lines 8 and 9 from … |
| | Can someone run my code template to see what's wrong? [code=cplusplus] #include "stdafx.h" #include <iostream> using namespace std; int _tmain(int argc, _TCHAR* argv[ ]) { int a = 40; //No. of hrs worked during week float b = 12.75; //Pay rate: dollars per hour float c = 510; //Weekly wages … |
| | Hello guies please help me how can I typecast string to char |
| | [COLOR="Red"]Im using the Dev-Cpp compiler. Im trying to create a program like the one below...[/COLOR] [CODE]#include <iostream> #include <windows.h> #include <stdio.h> #include <iomanip> #include <fstream> #include <stdlib.h> using namespace System; using namespace System::IO; using namespace std; int main() { string *com2; wchar_t com; char loop; loop = 'a'; while(loop = … |
| | I keep getting this error and cant figure it out thanks for the input. runcs216p6.cxx: In function `int main()': runcs216p6.cxx:57: error: parse error before `catch' [code] int main() { ifstream inFile; ofstream outFile; inFile.open("in.data"); outFile.open("out.data"); if(inFile.fail() || outFile.fail()) { cout << "input or out file opening failed" << endl; exit(1); … |
| | I need some help trying to figure out the void statements for my project and also getting this second program Factorial Program without recursion to work right. [code=cplusplus] #include <iostream> #include "PROJECT_13_1_H.h" using namespace std; int main() { bool houseHasBigAce = false; srand(time(0)); int houseHand = drawOpenHouseCard(houseHasBigAce); cout<<endl<<endl; cout<<"Welcome to … |
| | Hi, I'm reading a bitmap manually to try and make a program that does steganography, but I can't read the file correctly. The headers I read come out completely messed up, and they fail the check to see if I'm reading a bitmap file or not (if (FileHeader.bfType != (int)"BM")). … |
| | Hi everyone, I have a problem with a dll file. I have a 32 bit dll file and a program (x86 debugged) which uses the functions exported from the dynamic link library file and working well. I changed my program codes to 64 bit along time ago without an error … |
| | evaluate a given postfix expression containing some one-letter integer variables a-z (in lower case) whose values are given in a data file. the name of the data file will be : c:\\temp\\375_prog4_stack_data.txt and you can hard code this name in your program. there will not be more than 26 different … |
| | Hi, i'm new to this forum and i've got a problem. I need to be able to see how much memory my applications are using. E.g Sizes of arrays, memory used then deleted .. i need to know whats going on. I would like to know how to do this. … |
| | Alright, i hope someone can give me a straight answer. How do i export integers to another function? Because when i compile and run this code, i get an error telling me: "[code]12 D:\test.cpp `numberr' undeclared (first use this function) [/code] The code i used was kinda like this : … |
| | i have this function f(x)= e^X-3X^2 I need to write a computer program that find all three roots by the use of newton raphson method and option of finding a root by use of fixed point iteration. this is all i came up with so far.. i need help... [code=cplusplus] … |
| | How is it possbile to return the current hour, minute and DayOfWeek. I have tried out these examples. The two first returns 0 wich is strange. And the third does not go through the compiler. What can I be missing ? [code] System::DateTime moment = System::DateTime(); int hour = moment.Hour; … |
| | Hello, I need help in my project, where I want to catch, read and forward some packets given to another application. Example: some packets is incoming for application MyApp on port 888. The another application is running on background and listening for communication with MyApp. If the server sends packet …  |
| | I'm writing a C++ project using OpenGL in Microsoft Visual Studio 2005. I already have code for importing a jpeg image, but I don't know how to place it on a plane in 3D so I can view it in either ortographic or perspective projection. Also, how do I set … |
| | I have an assignment in Modular programming.. Have been able to make the program work... the lil problem am having now is that when i try to load the file i created, it keeps adding the memory location. Moe like it's adding an additional data insead of just loading the … |
| | somebody please help me.. can you tell me about struct in C++.. please give me example and explaination.. |
| | Hi folks I am new to C++ i tried to reverse the characters in an array [code=cplusplus] #include <iostream> using namespace std; int main() { char kavi[]={'s','w','o','r','d','\0'}; cout<<kavi<<endl; cout<<"now reversing the word"<<endl; int i; while(kavi[i] != '\0') { i++; } cout<<"Length is"<<i; int j; for(j=10;j>=0;j--) { cout<<kavi[i]; } } [/code] … |
| | Guys I need help with creating telephone input mask on the text box I am using windows programming, I need something like this ( )- 1823121 Any help would be highly appreciated  |
| | hi everyone..i need to crack a symmetric key by implementing a method called CrackSymmetricKey I must use the TEA encryption algorithm below: [CODE=c++] union myMsgType{ unsigned long textConverted[2]; char text[9]; }; class TEA_Algorithm { public: void CrackSymmetricKey(union myMsgType plaintext, union myMsgType ciphertext); void Decrypt(unsigned long k[], unsigned long ciphertext[], unsigned …  |
| | hello, i need your opinion about selecting a networking library. ACE or Boost.Asio ? anyone know pros and cons of these? as i saw, ACE is stronger and well documented. but i didn't work with non of them and if anyone worked with these, it would be great to be … |
| | Hi.... Please send me a sample programme for to connect FTP using c++ Thanks & Regards Kumar.E |
| | I've just started learning c++ this week from the book, c++ from the beginning by jan skansholm, im working througth the exercises and have become stuck on this one: sin(x) = x - x^3/3! + x^5/5! - x^7/7! + .................. write a program to calculat sin(x), dont include terms in … |
| | can someone explain in simple terms how to actually use the following <ctime> functions? I have read thru a few C++ reference websites but the explainations given are very vague and complex. [B]difftime struct tm time_t mktime ctime[/B]  |
| | I have a little problem to dock a grid with a panel. What i have done is to first dock a panel in the top of the form. What i then want to do is to dock a datagrid so it Fills the whole form but not so it will … |
| | hey there everyone i was working on a program of mine when that should read the file in hex and display the value of a certain hex address (0x000068FC as example). but i have no clue where to begin except that ppl say it should work with fseek & fread … |
| | I am saving the output of my program in .csv file. I need to save a variable's value in one column, but the value may contain comma. When the program encounters a comma it places half of the variable's value in the next column. Is there any way through which … |
| | // file: PayrollFunctions.cpp // Computes and displays gross pay and net pay given an hourly // rate and number of hours worked. Deducts union deus of $15 // if gross salary exceeds $100; otherwise,deducts no dues. #include <iostream> using namespace std; // Functions used... void instructUser(); float computeGross (float, float); … |
| | I am trying to build a project to learn the SDL libraries but Im getting these errors: [Linker error] undefined reference to `SDL_RWFromFile' [Linker error] undefined reference to `SDL_LoadBMP_RW' [Linker error] undefined reference to `SDL_DisplayFormat' ... I am including "SDL\SDL.h" but according to the documentation it should work. Any ideas? |
| | I tried implementing a template Array-class that allows initial size of global arrays to be known at compile time, specified by the user. When I specify a class of type <1, 1> size, the file compiles fine. However, when I specify a class of any other numeric type, in either … |
| | im making a program where i will displaying the sales of each store using a sales bar chart. user will input sales for each store. after the input, a sales chart must be displayed using a for loop, with each '*' = $100 in sales question: how can i make … |
| | Ok, I am making a DLL Library for programs using Win32 WinAPI, It contains classes for common controls. I had only five errors, the errors were because I had did a bad typecast and misspelled some variables, once I worked out every single error, 15 new errors arose and they … |
 | Hello there, I am currently trying to solve Towers of Hanoi for N pegs using C++. I am implementing the towers in the form of a link list. Suppose there be three towers , TowerA,TowerB,TowerC Then for TowerA: 3 2 1 TowerB: - TowerC:- shall become TowerA: TowerB: 3 2 … |
| | Hi all. I am trying to write a template class queue for an "assignment" and I got stuck by what I think is a syntax error. To be honest, the assignment was MUCH easier than that but after having it completed I thought to be interesting to explore new possibilities... … |
| | These are the directions: Recursive Descent Parsing Consider the following BNF grammar: E -> T + E | T - E | T T -> P * T | P / T | P P -> I | (E) I -> a | b | ... | y | z … |
| | With this piece of code when i call read i get the output [ICODE]Start of loop Archived filename = ./Data/Test.log End of loop Start of loop Archived File = DATA MANAGER End of loop[/ICODE] Edit: It is exactly what i want except it adds there odd characters at the end … |
| | I had completed my code for my project, then decided to change it. I now have an error that I do not understand. C4715 which according to MSDN.com is 'function' : not all control paths return a value. The specified function can potentially not return a value. I have included … |
| | I am trying to open a file in loop and print the data which my teacher request. however, there is blank in the out put file. and , how to indent the body of loop?? there is my code, please someone tell me what i did wrong!! thanks~` there is … |
| | Hi everyone, I was writing a program and out of the 4 functions, one void function is giving 4 errors that I am not able to understand. The function is : void Conversion(double, double, char). I am posting my program, including the function that is giving the errors. I have …  |
| | Visual Studio 2005 is giving me heartburn while working with templates. Does anybody know what is going on with the following code, and the errors below? It says there is a syntax error, but I cannot find it. [CODE=C++] #ifndef DEQUEUE_H #define DEQUEUE_H #include <iostream> #include <list> template<class Item> class … |
| | I am trying to implement a queue based on a Linked List that I had to write previously. It is templated and for some reason I am getting the following error using g++ when I compile: [CODE]g++ LinkedQueueMain.cpp -o LinkedQueueMain /tmp/ccqwStpK.o: In function `main': LinkedQueueMain.cpp:(.text+0x2ee): undefined reference to `LinkedQueue<char>::operator=(LinkedQueue<char> const&)' … |
| | I am trying to implement the GSL uniform random number generator into my C++ program. Below is my entire program and I am having difficulties getting it to run properly. Any help would be greatly appreciated. Thanks for your time! [code=cplusplus] #include <stdio.h> #include <iostream> #include <math.h> #include <cstdlib> #include … |
| | Can you use a static library on visual studio 2008 that was complied on visual c++ version 6 or do I have to recompile the static library?  |
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