49,760 Topics
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| | I have a homework assignment that requires the user to input two equations from the keyboard. The user can enter any letter of the alphabet but each equation can only have a total of 26 letters. I created a class for the equations and I was able to validate the …  |
| | To make a long story short here is the situation I'm in right now: I have one thread downloading a file from the web to a local file. I need the other thread to get the local file's current size AS its downloading. So, what would you guys recommend to …  |
| | I'm taking a graphics class, and we have just started using OpenGL. My professor gave us a simple program that draws a purple line, that we were supposed to compile. I took it home and tried to compile it, and i got a lot of undefined symbol errors. Any help …  |
 | Is there a short way to determine how many digits are in an integer? I'm new to C++, and writing a program that's supposed to a number in one column, and its square in the next. I'm using setw to manipulate the width of the coulms. Here is those code: … |
| | //************************************************************************************* // This program keeps track of speakers' bureau. // It displays a menu, where the user can add info, // view the info of another speaker that's already in there, // and etc. //************************************************************************************* #include "stdafx.h" #include <iostream> #include <iomanip> #include <cstdlib> using namespace std; //************************************************************************************** // this is … |
| | I wonder whether there is a faster way (faster then the obvious one a=a*a) to square the content of a vector of floats. I remember that bit shifting could be used somehow, but I'm not sure whether this works for floats. Any suggestions on how to achieve this are welcome …  |
| | My templated function look as follows: [code] template <typename MatTypeOne, typename MatTypeTwo> void funct(MatTypeOne& m1, MatTypeTwo& m2) { //here I would need to check whether m1 and m2 are of the same "type", //meaning that MatTypeOne is the same as MatTypeTwo } [/code] What is the way to check whether … |
| | It's a program that works sort of like a lexical analyzer, but it's just supposed to pull any given data from a .txt file and display it. Nothing else. I'm not satisfied with the array I have so far. /**************************************************************** Array holding all keywords for checking. *****************************************************************/ char *keywords[]={"procedure","is","begin","end","var","cin","cout","if", "then","else","and","or","not","loop","exit","when", … |
| | [CODE] #include <iostream> using namespace std; int main() { char a = 0, b = 1, ch1, ch2, ch3, ch4, chsum; float num1, num2, num3, sum, avg; cout<<"Enter Character 'a' or 'b': "; //asking user to enter character a or b cin>>ch1; if (ch1 == a) { cout<<"Enter three floating-point … |
| | Hi guys, what is the deference between ASSERT macro and Exception handling in cpp |
| | Hi, I'm kind of embarassed to be asking this since I should be able to figure this out by now, but I'm writing a program to sort a vector of objects alphabetically by a string member variable. Can someone help me figure out why the bubble sort below won't work? … |
| | example output: Meter number is: 124123ABC231 "what should i use to define something like that.... TurboC newbie here... |
| | I wanted to know if there is such a way to declare a variable at runtime or create a dynamic variable. I've done this in Python, but I didn't know if C++ allows this. Maybe I'm not explaining it that well so I will give an example. Say I have … |
| | Hello DaniWeb, its Danny here :-) In my program I will open several web pages in IE or default browser. I already know how to do that. But I wuld REALLY like to be able to open a URL in an already open page. Like instead of always opening a … |
| | i made a vector class "MyVector" inherited from a base class "arrayList" which is derived from a base class linearlist. whenever i compile i get a fatal error: [COLOR="Red"]LINK : fatal error LNK1561: entry point must be defined[/COLOR] [CODE]// abstract class linearList // abstract data type specification for linear list … |
| | Help me to build this program by using Turbo C++, thank you; User will enter car type and package of car based on the following; ------------------------------- TYPE...PACKAGE..PRICE.........TAX _______________________________ CAR1.......a............24000.........150% .................b............28000.........150% _______________________________ CAR2........c............35000.........200% .................d............37000.........200% .................e............41000.........200% ------------------------------- This program will calculate new price for the type of cars after being taxed. This … |
| | can someone give a sample code in this include? we're currently working on voice scrambling program. but it's flushing out errors. thanks! |
| | I am using Visual Studio 2010 C++ and its giving me an error "bad allocation" if I increase the array size t0 40 000 by 35 000, I am new to C++ not sure what to do. [CODE]// SWTest.cpp : Defines the entry point for the console application. // #include … |
| | Hello, My work is like making interface with visual studio, like preparing GUI for rs 232. For that i have to purchase Microsoft Visual Studio. can anyone tell me which version is suitable for me to purchase ? |
| | Hi all, I'm developing a library. I would like that this library could make differents callbacks to the user part. Untill now, I had the simplest way to do it, I had stored a pointer to the user class and I was making calls when something happened, but with this … |
 | Can anyone explain why this would fail: [code] assert(cap >= 0); [/code] But this passes? [code] if(cap < 0) { exit(-1); } [/code] That is, the assert is triggered, but if I replace it with conditional, the exit() function is never called. Thoughts? Thanks, David |
| | so i stumbled upon a few 'challenge questions' and decided to have a go. it should be my level. so anyways the question asked me to produce a code that makes me- input 2 numbers. the numbers get added ASWELL as the un numbers inbetween BUT excluding the numbers u … |
| | Hi all, I'm trying to create a method in [B]managed c++[/B] which will convert an int to a string representation of binary. I have done this in C# before, but I can't work out how to do it in Managed C++ Below is the code from my C# effort that … |
| | Does anyone know how one would be able to replicate photoshop's resolution option? I normally do not mess around with resolution.. but recently.. I changed the resolution value accidentally and had some pretty astounding results. For those of you who have never used photoshop before.. the resolution option simply increases … |
| | I can do the pattern totally for * or number only but how to use both together for pattern? Here is the pattern i want to do. 0 * * 0 1 2 * * * * 0 1 2 3 4 * * * * * * * * … |
| | Hello everyone, i'm porting an application from C# to C++, and i find the syntax and all that of C++ rather cumbersome (though C/C++ was my first language). I have a very specific question, and another few more-or-less general ones. The specific question: In C#: [CODE] Bitmap image; BitmapData ImageData; … |
 | I'm working on creating some 3d tools for helping me in my game making hobby. Its going along fine, but I need to save a model class with a non-standard size (model with 4 textures and 10000 vertices is larger than one with 1 texture and 1000 vertices) to memory … |
| | [CODE]// This program gives the number of boxes required for a number of figurines #include <iostream> using namespace std; int main() { unsigned boxcapacity; cout << " Enter the total amount of figurines each box can store: "; cin >> boxcapacity; unsigned figurines; cout << " Enter the total amount …  |
| | What is the advantages of using assembly language with C++?  |
| | I keep getting this error and I can't figure out what is wrong. error C2227: left of '->capacity' must point to class/struct/union/generic type 1> type is 'int *' Here is the class header and declaration that I am working on. [CODE]#ifndef MYVECTOR_H #define MYVECTOR_H #include <iostream> //#include <sstream> //#include <string> … |
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