51,593 Topics
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| | friends i create mfc application and create two table -same database,same content. ex:table content(table 1,table 1) employee id,employee name,department,salary,mobile no. now i view data from table 1 and that data to insert on table 2. i doing many way,but i didnt done.please any one can help me? this operation only …  |
| | Hi, DaniWeb forum members! I am an above-amateur programmer and this is my first more complex SDL-based program. I am trying to make the menu of a game, but SDL cannot capture the key presses when a single key was pressed. I use only UP and DOWN arrows, in this … |
 | So, Ive created a UI in console. No questions as to why. But anyways, It used to be just a simple array, but I decided to make it with vectors both to improve my skill with them, and to make its size dynamic. Dont mind the mess of code here. …  |
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| | I have a snippet of code that's 37 lines long, I can't, for the life of me, seem to get it working. It compiles fine, no errors, I've had 2 friends run through it and nothing, is it just an issue with my compiler(CodeBlocks)? Long story short I really just …  |
| | i,m making a 3d pool (billiard) simulation using c++ in opengl for my project. where can i get a proper source to refer as what i found on web were not very useful for me. Any links or sources from you are appreciable. |
| | Hello I am having an issue with syntax. I have: [CODE]wxLegendWindow::wxLegendWindow( wxWindow *parent) : wxWindow(parent, -1, wxDefaultPosition, wxSize(LEGEND_WIDTH,LEGEND_HEIGHT)) m_WinParent(parent)[/CODE] and when I compile I get: [CODE]C:\codeblocks-10.05-release\src\plugins\contrib\wxSmithContribItems\wxchart\wxchart-1.0\src\legendwindow.cpp|50|error: expected '{' before 'm_WinParent'|[/CODE] The code I originally started with was: [CODE]wxLegendWindow::wxLegendWindow( wxWindow *parent ): wxWindow(parent, -1, wxDefaultPosition, wxSize(LEGEND_WIDTH, LEGEND_HEIGHT)/*, wxSIMPLE_BORDER*/), m_WinParent(parent) [/CODE] However …  |
 | Hello, I created a simple number guessing game which thinks of a secret number from 1 to 100. It tells the user if his guess is high or low and finally stops after the secret number is equal to the user's input, it also notes down the number of tries. … |
| | I'm having the hardest time figuring out why my password check loop won't exit after excepting valid input. Can someone help? [CODE]#include <iostream> #include <vector> #include <string> using namespace std; int main( ) { vector<string> credentials; string login; string userName; string password; string CheckPassword (string password); cout << "Enter user … |
| | Can someone show me how to change the cases down below to call functions for add, subtract, divide, multiply. Also return the answer back to the case to display the result in the case. Prototype the functions before main and add the function definitions after main. [CODE]#include "stdafx.h" #include <iostream> … |
| | Hi , i wrote this program i am having problem its giving me error whenever i hit case 1 can any1 give me a suggestion what i am doing wrong [CODE] #include <iostream> using namespace std; #include <string> int main() { int y; int x; int ur_choice = 0; int … |
| | Hi everyone. I've been fighting with a piece of incomplete code for a while now, and it's really frustrating... particularly because it's due tomorrow. Anyways, when I try to compile my project it's spitting out linker errors at me: [Linker error] undefined reference to `clearBoard(int, char)' [Linker error] undefined reference … |
| | Hey All, I've been stumbling into the same (annoying little) problem a couple of times, and I'd like to find out how to fix it properly. Pseudo code [code=c++] // file A.hpp #include "classB.hpp" class A { A() }; // file A.cpp A::A() { } [/code] [code=c++] // file B.hpp … |
| | Hi newbie there,this is code for chess game(just started) ,i want to convert the input in characters to integers via getMove function i have tried to made but its not working.. output is "invalid input" every time [CODE]#include <iostream> using namespace std; void printBoard(char board[][8],int row,int col); void getMove(int arr[],char … |
| | Hi there I'm not to sure if this should go here or in games development so please move it if required. I'm trying to make a basic function that allows my character to jump. The basic idea is to check if the character height is equal to that of the … |
| | Hi, all - I'm relatively new to iterators, and to template functions, so I suppose it was inevitable that the first time I tried to combine them, I'd run into a problem. Here's the function: [CODE]template <class T> int getVectort(ifstream & s, long nbrCells, typename vector<T>::iterator iter) { int rc … |
| | Hi everyone! I am trying to understand tolower function... I don't get the locale variable to be honest and I would also like to know what I have to do so as to save the lower case string to another string and not just print it! That's my code... [CODE]#include … |
| | Need some guidance with this program. Never had experience with sentinels so I'm not sure where to start to calculate the multiple grade inputs. [B]Requirements:[/B] [LIST] [*]Sentinel needs to be used to indicate when there are no more students to process [*]Will read data about a student one at a … |
| | Hello. I need help in completing my c++ assignment. Below are the question details: [COLOR="red"]Develop a simple Paper-Scissors-Rock program. Make it a single player game where the player plays with the computer. The party that accumulatively wins 3 times first will win the game. Option: Your program may include a … |
| | I need help making a vector to shuffle the deck of cards randomly as well as picking a card from the top of the deck, then discard a card back into the deck. The program should then reshuffle after cards have been discarded back into the deck. [CODE]#include <iostream> using …  |
| | Hi everybody. I have a simple problem. Need send the c++ output to excel(csv->xls or xls direct) in formated data. I can send the data to excel, but i can´t format that like this: |_ col 1__|___col 2___|___col n____| row 1......|....2row 1 row 2......|....2row 2 row 3......|... 2row n What … |
| | Problem 1: Magic Squares: An n x n array, that is filled with integers 1, 2, 3, …,n2 is a magic square if the sum of the elements in each row, in each column, and in the two diagonals is the same value and each value in the array is … |
| | if i hav to input time of clock as formatted style(HH:MM:SEC) using cin how can i write its code???? a question from @robert lafore(sams publication) . hope to get a best answer soon :) |
| | Dear Friends Can you help me to convert the following code from c into c++ and save the file as file.cpp. I would do that in order to use cout instead of fprint and for another reasons. [CODE]#include <stdio.h> #include <math.h> #define pi 3.141593 #define F(x) ((*f)(x)) #define sqr(x) ((x)*(x)) … |
| | I am having trouble starting, I have the default constructor. Just set Head, Tail, Pred and Succ equal to 0. The copy constructor I am having problems with, don't know where to start. [CODE]enum Direction { front_to_back, back_to_front }; template <typename EType> class PQueue { private: struct Node { EType … |
| | It's only supposed to return the celebrities that contain the keyword the user searches for :'(. Instead it returns everything. Eg. they enter the following: Reba McIntire OK George Clooney KY Enter keyword: KY It should only return George Clooney. Instead it returns all of them in the list. Try … |
| | When I run my program it ignores the cin and goes into an infinite loop. It acts as though the cin.ignore() isn't working. [CODE] int getInput(int tries){ int numGuess = 0; cin >> numGuess; cin.ignore(); validate(numGuess, tries); return 0; } int validate (int input, int tries){ if (input <1 || … |
| | Hi, I am a new learner in c#programing and I am having difficulty solving this problems. Could you PLEASE PLEASE help solving this tasks?? I would be very grateful. cheers. Marcus Write a C program that will read in a set of numbers for the elements for a geometric shape … |
| | Hello guys! I have to create a program that prints the last 10 lines of a text or all of it if the number of the lines is <=10. The input will be a file that is unknown to me. This is what I've done so far. [CODE] #include <iostream> … |
| | hi, i need a little help. i have a 2d array adn i want to write out each rows minimum number. but something isnt good cause if the minimum is in the last position it says that the first number is the lowest. heres the code: [CODE] void minki(int k,int … |
| | I am a beginning at programming and need to know what I am doing wrong with this code. I keep getting error codes on undeclared variables, storage types, etc. [CODE] #include <iostream> #include <iomanip> #include <string> #include <cctype> const int ARRAY_SIZE = 100; void InputData(string, int[], int &); void DisplayPlayerData(const … |
| | Hi ... I'm Civil Engineering student and beginner in C++ i faced a problem and tried to solve it but unfortunately can't i just want a help and headlines to solve it.. and thanks the problem is: Write a program that will print the following on the screen using loops, …  |
 | Now I'am using Microsoft Visual Studio to compile this program in C++ but when I compile it I have so many 00000 with no end for this procces.. [CODE]# include<iostream> using namespace std; # define SIZE 5 class queue { private: int a[SIZE]; int front; int rear; public: queue(); ~queue(); … |
| | Hi all, well. I need to create a push and pop operations using a stack class by using + and - operations. So far, my coding is: [CODE=cpp]#include <iostream> #include <string> #include <stack> #include <cctype> using namespace std; void Convert(const string & Infix, string & Postfix); bool IsOperand(char ch); bool … |
| | Hello!, I know this my be slightly unrelated question but it's very simple questions and I know many of you will find it very easy. I want to pass several txt files to my c code using make file, but I can't make it right, so please help me in …  |
| | I am struggling to write the push and pop functions for a stack of arrays. I know how to write the code to push single items unto a stack and pop them out. Some have suggested that I use an array of arrays (two-dimensional array) to load the array of … |
| | hi all i have a problem and i hope someone will help me. i have this program and i want to find the absolute maximum difference between y1 and y2 ??!! i have found the difference between y1 and y2 but i could not find the maximum difference between them!!! …  |
| | I have a project to make a Phone Book Program using Hash Table, but I have to use two different type Hash Table, Hash Table .Net Framework and our own Hash Table. Does anyone know how to add, edit, search and delete the Hash Table? thanks a lot for your … |
 | (So continues the JNI saga....) I currently have this (in C++, this being my native code in C++): (x is a jstring passed thru the header) [code] jdouble res; if (x=="*") { res=a*b; } else if (x=="+") { res=a+b; } else if (x=="-") { res=a-b; } else if (x=="/") { … |
 | Suppose I have a simple program to find the largest of two numbers of different datatypes and return the largest.I'm implementing it as a template to support generic datatypes [code] template<class T,class U> T max(T t,U u) return (t>u?t:u); int main() { int x=70; float y=100.5; max(x,y); return 0 } …  |
| | [I]Could somebody please help me in this C++ program? I'm a beginner and have no idea doing this tutorial. anyone who could help me would be greatly appreciated. here is the question: [/I] Create an inheritance hierarchy that a bank might use to represent customers’ bank accounts. All customers at … |
 | Hello, I have a map that contains the alphabet (key) and a double (value) and I would like to sort the list so that the highest value is at the top but it still keeps it's key.. E.g. [code] #include <iostream> #include <map> int main() { map<char, double> alphabet; alphabet['a'] … |
| | Hey guys, I have an assignment that I have been working on for hours and I've done a lot of testing and I finally got it working, but when I try to change it to make sure to prompt the user for an input I can't get it to work … |
| | Theres this thing that i dont fully understand. Im using this tutorial: [url]http://lazyfoo.net/SDL_tutorials/lesson08/index.php[/url] and i in here we first set up some surfaces with text and then asign their value to the message and then for some reason we have to reset the message value to 0 in order for … |
| | I'm finding myself stuck trying to simply get a userInfo class's sets to work, but every time I try and compile with simple code like this in my application file: userInfo stuff; stuff.setId("test"); It gives me one of those 'undefined symbol' errors and references to the userInfo::setId function: Undefined first … |
| | Hi everyone: I am building a dictionary(translator) . My dictionary is completed, now I want to add some feature to it. I want to add a feature that once the user highlight a word in any application, afte 2 seconds which the mouse is IDLE my dictionary automatically COPY and … |
| | I know its bad to wait last minute ,but I have been working on the code the last couple of days with no result ,and now I'm finally starting to panic.I am having trouble with my program. I have been working on it for the last couple of days. I … |
| | Hi, First post here. I need to scan a file (NC milling output) with, potentially, tens of thousands of lines of text, looking for keywords. Every time I find a keyword, say, a tool change command, I want to print out twenty lines - the ten lines above this line, … |
| | WHT!!!! [u][b]i dont know whats wrong but i tried to to Merge both codes the if - statement dont show ...[/b][/u] [code] #include <iostream> #include<cstdlib> #include<stdio.h> using namespace std; /** Showing the introduction screen and the user maual... */ void splash(void) { cout << " ********************************************************\n"; cout << " * … |
 | Hey im writing a program and i have countless errors. Im following tuturiols and i have no clue what has happened. Thats the list. Im screwed. can anyone spot anything to get me kick started into a functional game. 1>c:\users\conor\documents\visual studio 2010\projects\ca2\ca2\weapon.h(21): error C2590: 'load' : only a constructor can …  |
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