51,593 Topics
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| | i have to this the data structure and algorithm past question to solve and i am find difficult in some of the question. these are some of the questions 1. Draw the internal memory respresentaion of a binary tree using the linked - list structure. 2. if a 2-dimensional array … |
| | Hello all I am working on a program that can load a wave file, read the wave file and play it.Next I want to display the waveform of the wave file. Can someone give me an idea on how can I do this? I use VC++.  |
| | Having trouble trying to copy the vector 'sel' in main to vector 'ask' in class A. Can someone either explain or show me? Thanks in Advance![code]class A{ private: public: vector<Trader> ask; void AskMatchList(vector<Trader>&); void showAuct(); }; void A::AskMatchList(vector<Trader> &list){ vector<Trader>::iterator it; f1= new Trader; //I understand this is the WRONG … |
| | i m using borland c++ 3.0 i want to inseert image (jpg,bmp) files.. did anyone tell me how to do this..? i dont know anything about this..? |
| | this is the question Most teachers assign various graded activities for their students to complete. A graded activity can consist of a numeric score such as 65, 89, 93 and so on. GradedActivity class is to hold the numeric score and letter grade of a graded activity. When a numeric …  |
| | Hi, please answer me the following questions. It will be very useful for me...Thanks in advance. c questions: 1. storage classes (auto, register, extern, static) in c with these informations (scope, lifetime, default value and memory location(where it stored in memory)). 2. why should we use static in function prototype … |
| | a) INT b) my-name c) your_name d) $dollar e) stock Price f) _UnitPrice g) while h) 1$dollar i) switch j) whileYou k) ifYou l) if m) int n) int34 o) ab.3c p) ab_3c q) 4%6 r) fourTimesSix s) 4 * 6 t) apples3 |
| | Friends, i have written a code for finding HCF but it does not work. please help me in improving this code.Thanks in advance. [CODE]#include<iostream> using namespace std; int main () { int a,b,c,d,e,f,g,h; cout<<"Please input two nnumbers:"<<endl; cin>>a; cin>>b; d=a%b; c=(a-d)/b; a=b*c+d; if d==o cout<<"The hcf is:"<<b<<endl; if d>>0 { … |
| | Hello guys. I'm not very good at at programing but i need to do one program which should do this: Write a program with objects which stores student marks of exam. All the information is read. It must be realized: a. I enter all students marks; b. and see whose … |
| | Hi all, I just started programming.Can anyone please help me how to remove the non-printable characters of ascii from my code..I will really appreciate it. [CODE] #include <iostream> using namespace std; int main() { int num; cout<<" ASCII CODES\n -----------"<<endl; num = 32; while(num<=252){ cout<<endl<<char(num)<<" : "<<int(num); num++; } cout<<endl; … |
| | i am writing a program to find all integers that have 5 perfect squares within 30 of them... here is what i have so far: [CODE]#include <iostream> using namespace std; int range[60];//since "within 30" means to more and 30 less void integer(int testInteger) //testInteger is the integer to use to … |
| | I would like to read input data from text file with fstream. But I don't know how to mix different type of get functions. I would like to read for example numbers after char "=" I try to use something like this [CODE]char c; double x; while (!inFile.eof()) { inFile …  |
| | I have selected to do a hangman console game in my C++ course (9th week) in which I have a question about wait(). I want to make the game "appear" to be loading just to give it aesthetics but I'm not sure how to do it the way I want … |
| | Well I have a gui and I want to change its process name or dont display it on process at all how do I do it? |
| | I was wondering if its possible to embed c++ into an Html website. Is there some engine that does it for you, or is it just not possible? Thanks. |
| | Hi all, I am a beginner of C++ and I don't know many things. I happens to encounter a simple problem which I don't know how to solve. Please help me out. I intended to write a program that solve the following problem: [QUOTE]Problem A Hashmat the brave warrior Input: …  |
| | I have been playing around with different 'flavors' of programming, like QBasic, Assembly, and C++. I like all of them, but I have really begon to like C++. The only problem I have, is that I dont have any problems to solve. I'm just programming cause its FUN ^^. I … |
| | [[CODE]#include <iostream> #include <string> using namespace std; class digits { }; class numOutofRange { }; int string_to_int(string s) throw(digits, numOutofRange); int main() { int histogram[10]; int total; int currentNumber = 0; string s; for(int i=0; i < 10; i++) { histogram[i] = 0; } cout <<"How many numbers do you … |
| | I currently have a small c++ program that will ping all hosts in a subnet and then run "net view" to get a list of shares available on those systems that respond to the ping. I want to take this to the next level. I want to be able to … |
| | I have a code here that needs to return a string from a function, but the compiler continues to tell me an error saying that "overloaded function differs only by return type from 'int Bible::getName(void)'". How can I fix this? Here is my code: [CODE]// Joseph Yong // CSC2430 // …  |
 | can i change the value of an int with a pointer. e.q. int n = 20; int *size = n; can i change n by doing this *size++. thanx |
| | I am writing a project to calculate the area and volume of 2d and 3d shapes. I have a class hierarchy with my abstract base class called 'shape'. I want to make a separate class to calculate a prism of a specified depth from any 2d shape, yet am unsure … |
| | i have to calculate the time of call in a prog. but i dont know how can i calculate the clock time on execution. will anybody plzzzzzzzz hlp me? |
 | ok,i have this code to enumerate the keys,that is working fine,and the code to enumerate the values and datas for a key that is working good also,but,if i combined them i doesnt produce the expecting result,i tried to call enum_value() in the enum_keys() function : [code] void enum_key(HKEY Hkey , … |
| | Hello, I need some advice from some of the more expert programmers on what path should I take further in my learning process. I started with PHP and now I can say I do ok, not an expert of course. I like programming very much and I love PHP, it's …  |
| | its a random number generator [CODE]#include <iostream.h> #include <stdlib.h> #include <time.h> #include <iomanip.h> using namespace std; int main () { const int MAX_RANGE = 100; int value; int random = rand( ); int num = ((random % 100) + 1); int quit; do { srand (time (NULL)); value = rand() …  |
| | I wrote this code for fun. Wanted to do such a thing so that I would be able to use this in the future. I'm kinda new to this forum. I like to know what you think about the code. If can point out some mistakes or ways to improve … |
| | Hi i am using Visual c++ with SDL I have been using a tutorial from lazy foo productions but when i go to build my solution my complier says: Cannot open include file: 'SDL.h': No such file or directory |
 | Hey All Yesterday I was writing a recursive form of a prime factorization program and I wasn't sure about the syntax I used. the function works as is but I'm curious if I am being redundant or if this is the proper way to code it. Here is what I … |
| | Hello frind>> I need solve this equation >> Chebyshev differential equation in c++ >>Let us solve togather>>> first the equation is : [url]http://upload.wikimedia.org/math/c/a/e/cae214684f8d6fcaa89fbbe1a195524b.png[/url] let start with someone >> Thankyou |
| | I know: -basic cout/cin -declaring single integers/strings -currently learning 'for' loops as you can see, my knowledge is extremely limited as of now, and i wish to have a few practice problems to have a go at. May i have some suggestions? |
| | I'm working with several programmers to get a program to compile & run on Windows and Linux. It compiles fine under Windows using SDL for most of the functions (sound, graphics & input), but we're getting an error when using a makefile under Linux. We've tried several things without any … |
| | I have a program where the cout "ing" a string misses the beginning letter of the string. I have made it so that there are 3 options to input/output the information. The "missing" letter in the string is ONLY evident in option 1; option 2 and option 3 does not … |
| | The normal VB forums werent much help unfortunately, so i've joined the great looking community here :) So, sorry if anything about this post is wrong, i'm new! But anyways, can anyone give me any insight on how i can accomplish this? I will need to pass the vb6 udt … |
| | I'm stuck trying to figure this out. I know I'm going to need a counter I just don't know where or how to implement it. I'm reading from a .dat file. The contents of the file look like this. google.com 760000 250 yahoo.com 340000 170 daniweb.com 230000 125 etc. I … |
| | Ok so i have the following functions that does a recursive merge sort. I need to pass my arrays in by reference since I have many different arrays containing different things. Im comparing lists[index1].get_type() vs lists[index2].get_type() yet when i run this i am getting the same event with the same … |
| | Hi, i am trying to implement gabor filter for image enhancement. if someone has any code snippet or pseudocode or any idea of implementing it in C, please help me out with it. thanks. |
| | Im new to dynamic arrays. What im trying to do is get a line of number that are stored as charachters , but implement a dynamic array to store the charachters so the size of the number(i.e. number of digits) is unkown. After i convert the charachters to an integer, … |
| | I am writing a program and stuck on entering standard deviation. I have looked on previous forum topics and from what I have found this is what I have coded but when I cout my standard deviation I keep getting a 1.#f Can one of you guys take a look … |
| | if i want user to enter a single char in a variable...then how to restrict him/her from typing more than 1 character.....?? |
| | Ok so i have a merg sort algorithm in my code yet for some reason its not letting me change it to what I need. Im not seeing where I have the mistake. any help? here are my files along with error. I am trying to sort the events by … |
| | Hi guys, I've been using C++ for quite a while now, maybe around a year and something has always bothered me but I've never discovered a better way to deal with it. When I define a class I will always define a header file. As an example take this: foo.h …  |
| | i have a piece of an unfinished program. try to run it... if you go straight to option 3 and input values, how do i output these values in option 4 ? i tried outputting my declared variables it wont work ? why is this ? i apologize the code … |
| | Hi Guys, I need your help here, I'm working on a assignment, and had done up the source code, but I'm getting wrong results: Summarised below: I screenshot the output: [IMG]http://i4.photobucket.com/albums/y101/clement_twk/Output.png[/IMG] I noticed under the output on these 2 lines are wrong: Addition A + B = 100+103i+106j+109k I supposed … |
| | [CODE]//// point.h using namespace System::Drawing; class point { protected: int x; int y; Color col; public: point(); };[/CODE] [CODE]////point.cpp #include "stdafx.h" #include "point.h" point::point() { x = 0; y = 0; col = Color::Blue; }[/CODE] [CODE]///Error c:\...\point.h(10) : error C3265: cannot declare a managed 'col' in an unmanaged 'point' 1> …  |
| | Hello, I am only starting to design a C program that opens a file; [code] #include <stdio.h> #include <string.h> #include <stdlib.h> int main(void) { FILE *fp; fp = fopen ("file.txt", "r"); if (fp == NULL) { perror("Can't open the file"); return EXIT_FAILURE; } printf ("%d\n", fp); system("pause"); return EXIT_SUCCESS; } … |
| | I am using operator to add two matrices stored inside matrix objects. I instantiate and initialize two matrices. Then I call operator to add them. But before adding the two matrices: m1 and m2 , their destructors gets called. When I start adding the matrices since m2 matrix array has … |
| | Hi all, I would like my program to be able to search for a string using Google and then use the number of results. I'm not sure what exactly this will entail in I/O terms so I guess I'll leave it at that and see what you guys have to … |
| | hi i was given an assignment to do i did it but i'm always getting a segmentation fault i found out where i'm getting the problem but i dont understand why i'm getting the problem heres the code: the extra cout's that dont make sense are just to tests to … |
| | Hello, I was wondering if anyone knew anything about programming Microcontrollers with C, and if so what controllers are best/have the most room for the least cost/ easy to get the code on. I know nothing about what's needed to get it up and running, or even what to buy! … |
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