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General C++ Programming - May 2011

I'm in need of assistance. I have a function that allocates memory for the specified amount of elements, of the template type. However, I want the function to t...

[3 replies] Last: The exception should propagate up until it's either handled or reaches... (by closed account 3hM2Nwbp)

by Baguette

OpenGl inside MFC

Hello,I'm trying to create a MFC app with OpenGL. I followed a tutorial posted on CodeGuru(I can't find link to it, but if someone want it I will try to find it...

[no replies]

by mmsz1992

please help me soon!!!!!

I want to write a program that receive a mathematical expression including "tan","sin","cos","cot","ln","+","-","*","/","power""d_x(derivative)" and any other f...

[2 replies] Last: What kind of help? This is a rather large and involved project. If ... (by cnoeval)

by farazi482

Terminates loop by pressing enter

A program that takes input from user(in form of hidden characters) and compares it with predefined array.. then tells whether the entered input valid or inval...

[3 replies] Last: Is there a reason you're using something that is so out of date? (by Computergeek01)

by TheMadScientist

Getting $(SolutionDir)

So, I went into the project properties, and added the macro for $(SolutionDir). How can I access that value from my program? I tried: std::string SolDir = ...

[12 replies] Last: Why don't you just put those files in the same directory as the execut... (by helios)

by juirw001

Optimizing in OS X

I am trying to speed up a relatively simple but computation heavy program which will be run and compiled using OS X 10.5 The version of GCC is: i686-appl...

[1 reply] : If it is not using all the cpu, it means it's waiting for some IO (fil... (by bartoli)

by strangeopi

Nested for-loops via preprocessor

Hello dear users, I am currently working on a program simulating physics on a d -dimensional grid. For this, I need d nested for loops, which I do not know ...

[3 replies] Last: If you need the counters for each of the dimensions, that is rather si... (by webJose)

by StoneHeart

Alignment

how do i change some structure alignment for like 1, 2, 4 and 8 byte. i had some structure that i want to pass to an api but it only work with 8 byte structu...

[4 replies] Last: thanks for the link kbw :) (by StoneHeart)

by Mahvash

A question using ifstream to open a file

In the following codes why I have to put "ifstream::" before "binary". Since the "open" is already a method of ifstream and I am also using std namespace why do...

[1 reply] : You should probably just use std::ios::binary. You have to qualify it... (by PanGalactic)

by nanochan1

violation problem

First-chance exception at 0x013a28bc in Assignment 2.exe: 0xC0000005: Access violation reading location 0xfdfdfe01. Unhandled exception at 0x013a28bc in Assignm...

[4 replies] Last: nvm (by nanochan1)

by RachelAnderson

problem with vectors (1,2)

Hi all.What I am trying to do is a program that calculates the area of a polygon. I divided my program into two subcodes.The first part computes the area, and t...

[37 replies] Last: I saw my mistake, I should have been very tired to miss "infile.open".... (by RachelAnderson)

by nanochan1

class question

i am doing class. i need to create a dynamic array in stack on classes abc x ; <- is there a way to change 100 to a variable? my error is: ISO C++...

[2 replies] Last: thanks (by nanochan1)

by JCOPP

CHECK SUM Digits

Need some help with this calculation. I am supplied the keys and need to calculate the output I think you xor key 1 to key 2 then again with all "0's" but I...

[2 replies] Last: This is what was given to me but not sure..... In this descriptio... (by JCOPP)

by munitjsr2

What is the standard of this book

C++ How to Program Harvey Paul Deitel Deitel Has anybody read this book if so can you tell me what to read after this what level of a C++ prorramer you beco...

[1 reply] : It is impossible to progress beyond beginner with only a book. You ne... (by PanGalactic)

by david112

Exception Runtime_error : new operator with bad allocation

Hello everybody , I need to use exceptions for bad allocation of memory when I use files and pointers to files . I must use the "runtime_error" class . Give...

[10 replies] Last: Well as far as I am aware you either test for NULL and use (nothrow) ... (by anonymous23323124)

by asymptotes14

what is the problem here?

void DECROM()//function for conversion decimal to roman { int fnum,snum,dig; bool needFnum = true; bool needSnum= true; bool negCheck= true; whi...

[1 reply] : the range there, is just the empty class like this class Range{}; cla... (by asymptotes14)

by StoneHeart

String problem!

i really need help on solving this string problem. im new to vc6 so hope you guys could help me. anyway here is my problem. i had a string something like thi...

[3 replies] Last: ok i finally solve my problem. thanks for the reply. how did i solv... (by StoneHeart)

by xoxococoa

Building symbol table using hash table

I'm trying to build a symbol table using hash table. The general idea is int alpha; 2 int beta; 3 alpha = 0; // the alpha declared in line 1 4 beta = 0; //...

[1 reply] : It would be helpful if you could post your version! Speed also depend... (by onur)

by taveira

Write to binary file

Friends. I am with the program segment below, and the following is happening. If I take a while ( in bold ) to see if the code exists, the program writes reco...

[1 reply] : It's hard to say without knowing what is the code for and when it is w... (by hamsterman)

by closed account zwA4jE8b

sine wave

I have the following code that draws a sine wave in my window... void wavefunc(HWND hWnd, HDC hDC) { static double _x; int _y; _y = sin(_x/_freq)*_am...

[7 replies] Last: Cool. Better. But drawing the values on screen every time wavefunc()... (by webJose)

May 2011 Pages: 12 3... 32

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