51,593 Topics
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| | New member. Got to this site by Googling "programming vista C++"; wild thread exchange from a couple of weeks ago with implications that some folks might have the answer I need. Basic question is whether my partner & I can adapt a longstanding, robust C/C++ program we've been marketing so … |
| | am i the only one who thinks that c# screen development really sucks? i have just completed the silly task of repeating the same 30 lines of code sixteen times. and why, some might ask, are you so silly to do that? it is because, unlike java and visual basic … |
| | Hi again, I've figured out how to get the program to do what I need it to do, except it is doing the last thing twice and I can't figure out how to change it so it does it only once. Please provide some direction. I've attached the files.  |
| | this is the exact problem: Write a routine to sort the ten-number list shown in ‘Sample Screen Output’ below, and then make the following modifications to improve the performance of the bubble sort: Sample Screen Output Data items in original order 2 6 4 8 10 12 89 68 45 … |
| | i want to write a c++(console) programme for a voting system that accepts names of candidates and the votes they had and sort these votes in descending order to show the winner. how do i go about it. thanks. this is the what i have been able to do so …  |
| | radix sort: an example : Original, unsorted list: 170, 45, 75, 90, 2, 24, 802, 66 Sorting by least significant digit (1s place) gives: 170, 90, 2, 802, 24, 45, 75, 66 Notice that we keep 2 before 802, because 2 occurred before 802 in the original list, and similarly … |
| | Hi, I am trying to do a pretty basic project for my computer science class. The part that is giving me trouble is where the user needs to input every letter of the alphabet in a random order but only each letter can be inputted once. I was wondering if … |
| | there is a intrinsic function, ichar(C), to convert character to a numerical value (ASCII?) in FORTRAN. Can any one tell me a similar function in C++?  |
| | I am doing a game and i need to refresh the screen to make it less messy, Can anyone teach me how to do plz?  |
| | in my c++ class we have to make a game and i need some ideas on what to make. the only thing i have learned is: random numbers, ifs, switch case, while loop, for loop, some character string functions of cin.get and cin.ignore, also declaring a character string, data formatting … |
| | Hi My input file is as below. AXY,21,23,12,334,34 VBE,32,34,32,43,34 AXX,32,34,45,32,45 AXY,23,43,323,122 VBE,23,3,323,21,121 Now here the first token designate the nodal name. Now what i want is to create a set of file name AXY_info.txt,VBE_info.txt,AXX_info.txt and here file name designating the nodal name and each file should contain their respective values. … |
| | Could ppl please fix my 2 codings to "template version". I spend so much time understanding template, but still hard for me! Please help~ thanks to all [CODE]#include <iostream> using std::cin; using std::cout; using std::endl; const int ARRAY_SIZE = 10; void search(const int a[], int lowEnd, int highEnd, int key, … |
| | Hi all, would need your help on unzipping message which is zipped with java.util.zip. For your information my module was written in c++. Currently i am trying to unzip with zlib, how ever it failed with "Z_DATA_ERROR" error. Please advice.. thanks a lot. regards brandon |
 | I am trying to write an openGL application from a tutorial I found and tried to copy it as accurately as possible without just copy+pasting it, so I can actually learn the code. The source file from the tutorial compiles and runs perfectly, but my code fails at a call … |
| | I have a binary tree program that is trying to retrieve a name. I've already inserted names into the tree correctly and can see this at output. Now I'm trying to check for a name in the tree and calling that input "key". My program wants to take that key … |
| | Does anyone have a list or know how I can get a list of the bit addresses of keys used in the getch (); fuction. For example: F1 is 59 F2 is 60 F3 is 61 F4 is 62 F5 is 63 etc. I'm pretty sure that this is the … |
| | I am attempting to complete a homework assignment. The progam basically requires input from the keyboard into an array and then to perform some calculations on the input information. I believe I can do the calculations, but I cannot figure out how to get the input into the array. The … |
 | So below is a working program I wrote that mimics a rolodex. It stores the information on a text file with the number of cards listed at the top of the file and one card per line like this: last first phone email last first phone email ... I'm currently … |
| | I was wondering what versions of visual studio are compatible with Vista? |
| | Why does (start+last)/2 work to calculate the midpoint while start+(last-start)/2 does? To be more specific, I put the contents of a binary tree into an array, sorted it, destroyed the old tree, and plan to rebuild the new one. I know that start+(last-start)/2 as a midpoint calculation works correctly. My …  |
| | Hi , i''m Smith. I want to know more abou C pointers . And its use in C. Friends, those who are interested in this topic please give me good idea . First of all i want to know About basic things about pointers. What is a C pointer? And … |
 | [b]***Header Files:[/b] [b]Point.h[/b] [code=c++] #pragma once #include <iostream> using namespace std; class Point { private: int x; int y; public: Point(void); Point( int x, int y ); Point( const Point &xPoint ); ~Point(void); void setX( int x ); int getX() const; void setY( int y ); int getY() const; Point … |
| | Hey, I have started working with I/O file streams using my 'problem solving with c++' book, I am not sure where the .dat file goes in MS Visual C++ or how to make it for that matter... Also is this code correct? I am getting strange errors... I am trying …  |
| | Hii.... Please help me... The use of inline function in C++ is usual.But What is the advantage of using 'inline' function ? Can a function be forced as inline?  |
| | Hey, Me too have some doubts. When do we need to use forward declaration? Can anybody show one example? |
| | Hii, What is the mutable keyword? When do we use this mutable keyword? what are the differences between a pointer and reference? |
| | Hello guys, Mention the usage of the scope resolution operator? show one example . What is the const keyword ? Illustrate its various uses? |
| | Hi. Hi My program takes the user input of the location where the directory need to be created. I found Windows API: CreateDirectory() but then for Linux i need to write some other function. Is their any function which can work for both operating systems. Kindly help |
| | Hi How should i identify the operating system on which my program is running in c++. Kindly help |
| | Is there are different between List x; and List x(); in C++  |
| | I've just started a C++ class so I am a total beginner at this. I am having a problem figuring out how to pass by reference, and pass by value using the enum data type. The data types are as follows: enum suits {hearts, spades, diamonds, clubs} enum cardValues{two=2, three, … |
| | Im am making my first game and one of the files just won't compile. I keep getting this error whenever I try to compile this file (this is only the problem part): [code] if (answer[0] == 'y') { if (player->GetGold >= 10) // PROBLEM { player->SpendGold(10); cout << "You find … |
| | Hey, just wanna say thanks in advance with the help. [code] void backwards(struct node *headp){ int n=0; /* length */ int i,j; /* counters */ struct node *p=headp; /* find length */ while( p->next !=NULL ) { n++; p=p->next; } printf(“%d\n”, p->number); /* print TAIL */ for(i=n-1; i>=1; i--) { …  |
| | I'm wiring a program where I have a file with city, state, population size laid out as follows; 24 El Paso, TX 577415 Indianapolis, IN 783612 Detroit, MI 925051 Fort Worth, TX 567516 Los Angeles, CA 3798981 Washington, DC 570898 etc... with 24 being the number of elements in the … |
| | Hello, I've nearly finished writing a program that converts Roman to arabic numbers, but i've run into a problem to do with the "Batch Mode" of the program. The batch mode involves asking the user to type in the file name (a text file) which contains Roman numerals that need … |
| | Hi, I am trying to write a linux code which will listen on a UDP port and revceive messages from Zyxel modems. (Zyxel modems have a remote packet tracing feature which uses UDP) I achieved most of the task. The received packet is assigned to a string (char[1024]) variable. But … |
| | Am trying to write a structure to store weather data for a particular month. total rainfall High temp Low temp Average temp Am trying to calculation but not getting anywhere. I need help please. (1)Not sure how to add the 12 rainfall to get the total rainfall and the average … |
| | hi..can u help me give an info on how to load an image(eg. .bmp,.jpeg etc) in c++ turbo and display it into 2D array.thank you so much for the help..really appreciate it. |
| | [code=c++] #include<stdio.h> #include<conio.h> #include<alloc.h> #include"C:\windows\desktop\input.h" #define MAXBITS 32 #define MAXNODES 512 #define MAXSYMBS 256 int hmin(void); void hinsert(int,int); //First structure struct codetype{ int bits[MAXBITS]; int startpos; }; //second structure struct nodetype{ int freq; int father; int isleft; }; //The structure defined typedef struct hlist{ int pos; int hfreq; struct hlist … |
| | i have sorting program, it works well when coded in simple way but when used recursion it give the floating exception (core dumped), it have tries to debug and it show error in the division stage, it tires to do typecasting also, but does not work out for recursion [code=c++] … |
| | my question is basically why shall we use destructor in c++? |
| | hi all i have a integer array of fixed max size(assume 100). But the actual number of stored integers are less than max value(assume 50).Because it is change dynamically. How can i get the actual number of integers stored in the array. regards wijitha |
| | Hi, I am accessing MBR to get the first 512bytes from hard disk by using absread() function in C programming. But it is showing error: "you are executing a program which directly accessing the hard disk and it works improper. Close to terminate the program". If i ignore that then … |
| | my teacher said that it is easy to learn jave when you already know how to program in c++.. why is is it so? whats the difference and similarity of both languages... thanks.....:-/ |
| | can you please help me how to convert characters to binary... for example: you have to convert the word "hello world" to its binary form... i dont know how to do... can you please give me some advice... |
| | Hi Experts, What kind of tool do you use to unit test your C++ code in your project ? |
| | Alright, in this situation I want to take a program that I wrote and modify it so it can take an integers and if any of the numbers are negative, it returns a negative number, but if all the numbers are positive, it returns their average. This is the program … |
| | I am writing a program to convert ints to roman numerals. this is the function that gets called when the user enters a number. it works just fine for number 1-99, but then it will either crash, or give bogus data for any numbers higher that 99. any pointers as … |
| | Here is my problem. I have searched everywhere for help on this one. I haven't found any. So, I sat down and tried the best I could to write this code: Now I am stuck: Here is what I have so far: [code] #include <iostream> #include <iomanip> #include <fstream> using … |
| | Hello there, do you have any idea how to get the user default language code id using standard library functions? There is in win32 (GetUserDefaultLCID) but I have to port it into the linux platform. Thanks :) |
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