51,593 Topics
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| | Hi all, First I create a dynamic buffer and set all element to zero. Then add a int value first to the buffer. Then after that int value add a string to the buffer, actually at the end of int value. But seems my code overwrite each other. Here is … |
| | This might seem really, really cheeky (shout at me if you want) but if anyone has the time and wouldn't mind reading through my assignment, telling me if the information looks OK (it's only for a pass so not much detail is required) I'd be more than grateful. Thanks :) …  |
| | i've writtn a code in c and it works well, so i tried to write the same code but in c++, ofcourse i need to change some functions to cpp, i did that, but when i run the program i got the follow error : (a function-definition is not allowed … |
| | Hello, I'm wonder what static references are. Are they like: [code] static int number = 0; [/code] I'm really confused. Thanks for any help. |
| | Dear Friend, i have a crystal report, in which i have amount of Different Items, now i want to calculate total amount of all that items and show Total Amount at the end of the Report. so please tell me how can i calculate Total amount of different items in … |
| | Hi, I have a VC++ desktop application. It is an SDI application with some HTML views. When I close the application and re-start the machine I m facing BOOT FAILURE error. Then I give load the BOOT CD and select repair it things will work fine. This is not replicable, … |
| | please i need help in my c++ assignment its about loop ( while and for) and i cant do it im gonna write it and hoping if any one can solve them before 25\10 pleaaaaaaaaaaaaaaaaaaaaaaaaaaase 1- write a c++ program that will read in the integer N, and calculate: a) …  |
 | why does this have an exception in VC++ 2008 Express: [CODE]#include <conio.h> #include <iostream> using namespace std; class A { private: int a; class B { public: void f(); }; public: B b; //A(){} // default constructor class C { public: int a; }; B g(B); }; void A::B::f() { …  |
| | I have this code which I need to be compiled in 64-bit mode but have no 64-bit capable compiler. First of all, could somebody compile this code for me and put the executable on filedropper.com or something? And second of all, does anybody know of a free 64-bit capable compiler … |
| | hi.. our frst semester was now ending.. n our instructor leave dis problem for us to had.. she told us to create a program that supplies a number and outputs its equivalent in words.. the maximum input number is 9000... sumbody knew dis?? plzz help... thank u n advance... |
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| | hello ! i have a probelm which i'm unable to understand.i'm programming in Dev-C++.when i'm compiling the programm i've written it's showing 'compiled successfully' without any error message,but when i want to run it is giving the message 'project not compiled' and hence not running the program.I can't understand what's … |
| | I need to read in numbers from a .txt file and sort the numbers to find the 3 highest and i can not figure out how to accomplish this. I'm so lost i dont even know where to start. :( |
| | Hi. I'm having trouble making a simple calculator. The code I have so far compiles, but it does not run. Right now I only have addition in because I wanted to make sure I was going in the right direction before I added anything else. I have to use a … |
| | I have this program that calculates students grades. It asks for each students test scores individually then gives their total score and percent, then loops for the next student. But after the user is done inputing all the students scores, how do you create a function of some sort to … |
| | THis is my assignment question... MyCar Sdn. Bhd. sells new cars. The manager of MyCar wants to develop a system that can do storing, searching, modifying, deleting and printing all information of all selling cars by the company. As a programmer, you are required to develop a system that can … |
| | Im trying to write a program thats uses call function, but for some reason the program. Can someone help point out what i might be missing in the code? [CODE]#include <iostream> #include <cmath> using namespace std; void timeoffall(); void velatimpact(); int main () { double h; cout << "Please enter … |
| | Hey all. I have worked with a project to create a basic student database/registration system for the past 4-5 projects... slowly adding more functionality or using different containers and classes etc. For this next project, i am to use the code from a website online which contains all the nescessary … |
| | Quick question regarding the Fraction class created in the header file. Someone in my group used this in the header and I was wondering if there was an alternative to coding it than what they used. Something simpler for me to understand. It seems they just took a shortcut. [CODE]public: … |
| | Does the constructor create an instance of a class? or is it a member function of a class that is invoked automatically after the creation of the object is compeleted? same question about the destructor; does it deallocate the object itself or does it have the responsibility of making the … |
| | Hey, I'm creating a kind of database for a College project that stores values in a txt file. The thing is, it's currently set to "values.txt" and everytime the program runs, it over-writes it. Basically what I want it to do is ask create a .txt file depending on the … |
 | Hello. I am currently working on a school project. I need to implement 4x4 matrix multiplication with multi-threads (pthread) doing each multiplication. By studying the assignment description and other codes found online, I was able to get a general idea of what I need to do. However, I am having … |
| | Hi this is the code for life, universe and everything problem, where the program stops only when the user inputs the number "42" I tried to understand the problem, but could not make it that how the program stops at exactly 42. Any help would be extremely appreciated. [CODE]#include <iostream> … |
| | Hi, i am new in c++. I am doing an assignment where I need a menu for user to select the operation. My menu coding is as below. [CODE] int main() { myCarSystem b; char ch; string temp1, temp2; double temp3, temp4; while(1) { cout<<endl<<endl; cout<<" My Car System Operations … |
 | Hi.. How do I skip the first line of a text file. I am not using getline() so I think I cannot use ignore() function. Is there any other way to ignore first line ? [CODE] ................. FILE *in; char line[1000]; char *token; in = fopen(argv[1],"rt+"); if( in == NULL) … |
| | Greetings all, Peace. I have a problem. I need to download visual c++ 2005 express edition (long story why this one). I cannot find out where to get the correct download. I found this [URL="http://www.microsoft.com/downloads/details.aspx?FamilyId=7B0B0339-613A-46E6-AB4D-080D4D4A8C4E&displaylang=en"]here[/URL] this is for the Microsoft® Visual Studio® 2005 Express Editions Service Pack 1. However, when … |
| | hey, for a class project I have to write a parser for a grammar that my professor is giving us. I have broken it down into a very small part and want to get that working before parsing an entire string. In this bit of code, the string to be … |
| | OK, I made two Windows Forms Applications (Look images below) Step 1: [url]http://img245.imageshack.us/img245/8227/78636770.jpg[/url] Step 2: [url]http://img408.imageshack.us/img408/808/48168956.jpg[/url] Well, as you see at "step 1" there is some text (blured) and the Next button in bottom left corner. I would like to know how to make that when I click Next button … |
| | Hey newer programmer here need a bit of help. The direction are bascially to read in from a file some words in the form of a paragraph with no punctuations and no commas etc. The file will look similar to When promulgating your esoteric cogitations and articulating your Let your … |
| | hey i am trying a code...ad in that i am using arayrs to store a sequence of data..i have writen this in he code x[100000] and it say too large arrays as a error......now how o deal with this..and how to store such a large sequence of data..without file handling...... … |
 | I want a vector<string> with some values by default. I wanted to do something like char **strings = {"bla", "blo"} How to do it with vector<> without using repeated push_backs?  |
| | Hi all, Can anyone point me to an efficient binning algorithm. I have a problem similar to the following: I have recorded the heights of 10000 randomly selected people and I want to sort their heights into 20 bins between 1.5 and 1.8m (ie number of bins much less than … |
| | our lecturer want us to find a topic which we need to present next week... the program must include file handling... any idea for the topic ... and kindly show the example |
| | Hi frnds, May I have the code of the below program. The program to get the source code as output. |
| | Hi, I am trying to write a simple program that stores a user input in a c-string,and will then print out each character (I)diaganolly across screen and (II) each character on a new line. The problem im having with this,and with c strings entirely,is that it keeps printing out random … |
| | pleas halp. Sory for my English, i coudn't find where the problem is, program jast dasn't do it. I wrot program for desktop hot keys. Whan user pres a key the curent program will start. For this i used ListView in first colomun is writen program placement in second key … |
 | A small function which reverses a c-string by just swapping the elements :) ... Usage:: [CODE=C++] char[] str = "hello"; reverse(str); // str now contains "olleh" [/CODE] |
| | Hi. . can any one help me in converting infix to postfix. . i do not know what is wrong in my code. . help!!!plz [code] #include<iostream> #include<string> #include<conio.h> #include<stdio.h> using namespace std; void main() { char stack[10]; char input[10]; char output[10]; char plusminus,multdiv; int a; cout<<"\tInput an infix expression:"; … |
| | Hi Need help with multiple forms. I have application with 3 forms and the concept is on startup open Form1 on clicking button on Form1 opens Form2 and then Form2 open Form3. Now after processing on Form3 I need to make the property of Form1 visible, so we start the … |
| | I'm new to C++, i'm learning with the help of Stroustrup Principles of C++ book, with this forum etc I'm doing console apps that treats and operates with numbers and so on, as i see you do the same, at least that's what i see people asks in the forum. … |
| | Hey there folks. I'm in the middle of learning C# using the book 'C# and Game programming: A Beginner's Guide' by Salvatore A Buono and I've come to a bit of a problem. The example code for nested if and else-if statements does not work as intended. I could move … |
| | 1. Write a program to implement a static circular queue. It should include the following functions: i) Enqueue – To add an element to the end of the queue [4] ii) Dequeue – To remove an element from the front of the queue [4] iii) IsEmpty – To check whether …  |
| | Having some problems creating an encoder for class. I have the decoder, but I can't seem to make my encoder work properly. I have attached the decoder to the post as a file. Encryption example: "Hello" would be "xxxxx!H#xxxxxxx#e¤xxx¤l&xxxxxxxxx&l$xxxxxxxxxxx$o", where x is randomly generated letters, and ! is the first … |
| | Hello. I am currently working on a school project. I need to implement 4x4 matrix multiplication with multi-threads (pthread) doing each multiplication. By studying the assignment description and other codes found online, I was able to get a general idea of what I need to do. However, I am having … |
| | Hi there! In my lab I'm running a measuring program. It loops over taking data and writing it to disk. While the measuring is quite fast (1 kHz), the saving takes too long, especially since the file gets opened and closed every time before and after writing. So I thought … |
| | I keep getting the error above. I am trying to calculate percentage, sales tax on items to make profit on items sold. #include <iostream> #include <string> using namespace std; int main() { //Declare variables double price; double percentage; double taxRate; double salesTax; double sellingPrice; double finalPrice; char ch; string str; …  |
| | Hi, I am using visual studio 2008, C++ MFC for window xp. I have a program that will create some files in my directory (like in C:/) which i created earlier and it will read/write data into the files. As the date is quite big, it take quite a while … |
| | Hi all i am facing problem with combobox events, here is what i need: Combobox1 Choice: Metal, Plastic Combobox2 Choice: if Metal in Combobox1: 2,3,4,5,6 Choice: if Plastic in Combobox1: 8,10,15 I am unable to write code for the event, can any one help me out with the hints or … |
| | give me the functions and headers to load image files; and a small example |
| | Hi all, I'm currently doing my final year dissertation, being on wireless transmission in a client-server model. Can anyone suggest any dense literature about technical detailed c++ programming such as enabling communication between server and additional programs (such as ffmpeg), excessing USB devices (such as webcam, mic, video capture card) … |
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