51,593 Topics
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| | I do not have a clue here. I am floundering along but not getting anywhere. Any suggestions would be greatly appreciated. Thank you. /*This is a program that processes a loan for a car using appropriately named variables. It will use those variables in the input, calculation, and output of … |
| | the only problem i have now is that when i enter the symbols to draw the border and fill for the rectangle, this is what is drawn: lets says witdh 10 and length 5, the border is % and the fill is @. %%%%%%%%%% %% %% %% %%%%%%%%%% The filling … |
| | As you can see I am new here. I found this site from googling a question about a getChoice() function , and I was able to learn how to implement the function in my project to fit my needs from the post. ([url]http://www.daniweb.com/forums/thread162456.html[/url]). Well anyways, I have more issues that … |
| | Hello, I am a new programmer. I am trying to copy the elements of this 20x3 array into a 1x60 or 60x1 array an[60]=A[20][3] one of my attempts is:[code] for (i=0;i<20;i++) { for(j=0;j<3;j++){ at1[i]=A[i][j]; at2[i]=A[i][j]; at3[i]=A[i][j];} } an[60]={at1,at2,at3};[/code] |
| | my compiler keeps saying that i have an operator error at lines 22 and 50. what did i do wrong??? plz help [CODE]#include <iostream> using namespace std; class Rectangle { public: Rectangle()/*rectangle constructor defaults the values for length, width, area, and perimeter to 1 and initializes five rectangle objects to … |
| | Hello, today I got a new issue on the program im developing so.. the issue is that I want to change a file in this path [B]C:\Users\[USERNAME]\AppData\Roaming\[PROGRAM NAME].[/B] But the thing is when a user's computer has a different language then english this path changes to something like this [B]C:\[Users … |
| | I just started a C++ class at a local tech school. It is a self taught course, and I have just learned how much "self taught" applies to this course. The instructors have no experience in programming and can not answer the simplist of questions!! The book I was asked … |
 | I work out a small project. I need to Get list of folders in each drive. Up to now I can get the drives but I have no Idea on how windows treats Drives. Does it treat them as super Directories (Super folders) that contain many sub-folders? If not How … |
| | First of all im new here so Hi all.. im also new to c/c++ have been a java php and actionscript developer for some time now and finally have time to learn something new so im gonna go for c++ im just tryna get familiar with everything but i ran … |
 | the process Foo is running. Foo calls a lot of functions (loaded somewhere in RAM). how can a programmer get the names & prototypes of all functions called (or loaded) by Foo? now suppose the programmer suceeded to identify the function Hitler(int,int) called by Foo. how can the programmer redirect …  |
| | Hi, I am trying to implement a bottom-up merge sort using void pointers, but I am having some problems. I am using visual studio to compile it and it gives an error that requires me to break the execution. I am new using void pointers, so I am positive that … |
| | Hello, I am attempting to rewrite a program in c. Here is what I have so far. Thanks in advance for assistance. [CODE]#include <stdio.h> void sales[ salesPerson ][ product ] += value; int main() { const int PEOPLE = 5, PRODUCTS = 6; double sales[ PEOPLE ][ PRODUCTS ] = … |
| | Hello , I a creating program in witch objects are stored in the namespace var in var.h. How do I make the var namespace available to more than one file without having redefinition errors ? [CODE] ### var.h ### namespace var { ... } ### main.cpp ### #include "var.h" //multiple … |
| | i was trying to make a program that uses the chudnovsky algorithm to calculate pi with this code: [code] #include <cmath> #include <iostream> #include <cstdlib> using namespace std; float fac (float num) { float result=1; for (float i=1; i<=num; ++i) result=result*=i; return result; } int main() { double pi=0; float …  |
| | Ok well I'm making a console msn client. [CODE]#pragma comment(lib, "wsock32.lib ") #include <windows.h> #include <iostream> #include <stdio.h> #include <string.h> int main(){ char buf[12]; WSAData wsdata; WORD wsver=MAKEWORD(2, 0); int nret=WSAStartup(wsver, &wsdata); if(nret != 0){ std::cout<<"Startup failed, error code: "<<WSAGetLastError(); WSACleanup(); return -1; } std::cout<<"Init success\n"; SOCKET kSock=socket(AF_INET, SOCK_STREAM, 0); … |
| | I'm trying to write code for a very basic version of the game 24. This code will receive either two, three, or four integers and determine if there is any way that these numbers can add, subtract, multiply or divide to the number 24. Locations of parenthesis can change as … |
| | It wont compile! I know something is probably wrong with my if condition but im unsure of what. [CODE]if (weight > 200) shipping_cost = 49.95; else if (weight >= 100 & < 200) shipping_cost = 39.95; else if (weight >= 50 & < 100) shipping_cost = 24.95; else if (weight … |
| | Hello there, I'm trying to understand this source code to block the packet send to the application I'm using right now. Basicly this source code is for making application that will crash the application that Im using atm. I have no basic C++ knowledge. I hope someone could explain this … |
| | Im supposed to implement a quad tree that will input cities into a fixed format. when the user asks for a particular city, all cities within a certain range will be displayed. i think i have the right method's in place, but for some reason or another, the program wont … |
| | Ok the problem im having is in my setRectangleLength and setRectangleWidth. The compiler shows no errors so everything is fine. However when I try to validate the length and width between the values of 1-20 it does not work. When the program asks the user to enter another length or … |
| | i am facing problems of destructor in the following code.destructor is not working.can any one help plz???? [CODE] #include<iostream> #include<cstring> #include<cstdlib> using namespace std; class strtype { private: char *p; int len; public: strtype() { p=(char *)malloc(sizeof(char)); *p='\0'; len=0; } void getString(char *str) { len=strlen(str); p=(char *)realloc(p,sizeof(char)*len); strcpy(p,str); } void … |
| | [CODE]#include<iostream.h> class alpha { int x; public: alpha(int i) { x=i; cout<<"\n alpha constructor"; } void show_alpha(void) { cout<<"x="<<x<<"\n"; } }; class beta { float p,q; public: beta( float a,float b):p(a),q(b+p) { cout<<"\n beta constructor"; } void show_beta(void) { cout<<"p="<<p<<"\n"; cout<<"q="<<q<<"\n"; } }; class gamma:public beta,public alpha { int u,v; … |
 | I'M reading the book that's in the title. Let me show you what's going on. I'M given the following code, an example of Inheritance. [CODE]using System; namespace CritClone { class CritViewer { static void Main(string[] args) { CritViewer cv = new CritViewer(); }// end main public CritViewer() { Clone myClone …  |
| | Hi. I have never used a command-line compiler before and I'm very confused now. I need to use this compiler for my home assignments in one of my subjects in University. I installed the compiler but I don't know how to use it. Help file says: [I]To see a list … |
 | Hi friends , i have a plan to port a open source Linux application into Windows as part of my M. C. A Project. Can u tell me , is it possible to port Linux applications into windows , if yes then which Compiler or IDE i have to use …  |
| | Hi I have what at first seemed to be a very simpe problem: I have a Microsoft Package that requires me to use nmake to make a lib file. I am unfamiliar with make files as I use visio and XP. Now I had to move somethings due to restricted … |
| | Hello, i have a question about OnTimer() function in Visual C++ 6.0. My program contais 2 classes - let's say a class A and a class B . Class A calls me a screen and the user must choose an option(e.g. Start or something). When the user clicks on START … |
| | I am trying to render a very simple scene by loading various parameters from a file (MLC.txt) When compiling I receive the following error main.cpp: In function ‘void renderScene()’: main.cpp:77: error: ‘pBeam’ was not declared in this scope H |
| | Hello, I can't understand what compiler wants from me. I trying to create quite a big class structure with many abstract classes. Below is a part of the code with some of them. The compiler doesn't like my classes and says the he needs more constructor which I don't understand. … |
| | Can you help me with this? I will be very thankfull In the previous assignments monthly average temperatures in Helsinki were computed. That can be done without storing the data in the memory since the data is already ordered by time. Looking for more complex information will require storing the …  |
| | Hi.. I suppose to have a programe to read a data from a file and enqueu it to the Queue. The programme works like a Priority queue whether the ladies queue need to be inserted to queue first before the gentleman... But i think i need to try first how … |
| | hi; please help me on my assignment about c++; my problem is write a program that will enter month and day and display its corresponding sodiac sign pls. help tnx  |
| | [CODE]#include<iostream.h> class invent2 class invent1 { int code; int items; float price; public: invent1(int a,int b,float c) { code=a;items=b;price=c; } void putdata() { cout<<"code:"<<code<<"\n"; cout<<"items:"<<items<<"\n"; cout<<"value:"<<price<<"\n"; } int getcode(){ return code; } int getitems() { return items; } float getprice() { return price; } operator float(){ return(items * code); } … |
 | i recieve error message when execute my code note my code has now errors when build the solution i work on laptop with windows xp sp2 and vc++ 2008 error message misa.exe - Unable To Locate Component x This application has failed to start because MSVCR90D.dll was not found. Re-installing … |
| | I'm trying to create a program in C# that allows for arithmetic of Complex Numbers. Just adding, subtracting, multiplying and dividing. Anyone got any suggestions?  |
| | I have to write a program that accepts a pointer to a c-string as its argument. The function should return the charater that appears most frequently in the string along with the number of times it appears. for example, if i input "hello dolly" the output would be: "l sppears … |
| | [CODE]if(num/100>=1) { x=num/100; switch(x) { case 1: cout<<"one hundred "; break; case 2: cout<<"two hundred "; break; case 3: cout<<"three hundred "; break; case 4: cout<<"four hundred "; break; case 5: cout<<"five hundred "; break; case 6: cout<<"six hundred "; break; case 7: cout<<"seven hundred "; break; case 8: cout<<"eight … |
| | Hi Friends, I have no clue how to solve following C++ question.I am a learner.Thank you in advance. Question -- Simulation and use of random/io libraries A recent New York Times article featured a report on the usability, stability, and effectiveness (or lack thereof) of current electronic voting systems. By …  |
| | I really need help & i wish someone could help me :( I am required to design an Advisory System which models the academic advisor and advisee system used in any university. An advisor lecturer may have one or more advisees (students). An advisee can have only one advisor. The … |
| | Hi, I know how to draw basic flowchart but I have no idea how to link it to different function. Currently my program has 2 functions and another main function. Both the 2 functions are to receive and return a value to the main function. How do I draw it? … |
| | Hi frens, I couldn't compile this solution code given by my university on visual studio.Visual studio works fine with other C++ files. Here are the question and solution code pasted below.I wonder if anybody could try to compile the solution code on thier machine and see if they can run … |
 | I have to create a program that handles random birthdays between 2 and 50 students (depending on what the user inputs), and calculates the random birthday (1 to 365) and then determines whether or not students share the sam birthday, and how many students share it. I'm stuck on how … |
| | Hello, I'm currently using the TMediaPlayer component from Borland to play a .mid file in one of my programs. Now what I actually need to do... : I noticed there are functions like Next() and Previous() so I was wondering if there is a way to load more than one … |
| | I scrapped the other code about the student because it didn't make any sense. I was actually modeling it after another program I did last semester that was a Plasma gun program. Anyway I started over with the same requirements but new program. I am having similar issues with this … |
| | Hi guys I'm new to c++/openGL (used java a lot more) and have run into an issue while trying to write a program using an array. I have declared the array as GLfloat in the header file and then initialized it with a bunch of values in the constructor of … |
| | Hi guys, I have a txt file in which each line contains information in following format: VELOCITY<100.0> LAT_1<N 00 00.0000> LON_1<E 000 00.0000> SIMULATE<false> I would like to write a C or C++ programm to select only the values of the words I need. I need those values to do … |
| | I am writing a game program for a dice game. You want to get 100 points. You roll until you decide to hold, and the sum of your rolls is added to your total score. If you roll a 1 though, your turn is over and you get 0 points … |
| | I couldn't see a more appropriate place to make this thread, and I can only think of ambiguous terms to google, like "Output Error Windows Visual Studio". The issue is, when I build my project (I'm using Visual Studio 2010, but I always had the same issue with VS2008), the … |
 | Appretiate some coursework help related to classes. All im trying to do is compare the elements of two objects [code] if(asteroid1.getxx == asteroid2.getxx && asteroid1.getyy == asteroid2.getyy) { cout<<endl; cout<<"Collision"<<endl; } [/code] All i want to be able to do, is to compare the x and y co-ordinates of my … |
| | Hi, I have used a lot of makefiles to compile programs. The issue is, I don't know how to produce make file. Is it another "language" I have to learn or some automatic issue? Also what is short yet clea tutorial on that? Thanks |
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