General C++ Programming - C++ Forum - February 2011 (Page 8)

I have a 2d vector that I am using to store a variable amount of coordinates. I originally wanted to do a 1d vector that contained a 2-element array, but I coul...

[2 replies] Last: Thank you! (by zanielyene)

by Budlee

NO_ob question on which project

Hey, I've been coding for a little while using the console and I was wondering I want to write a project with images and movement and wanted to know how to p...

[1 reply] : Try this: http://www.xoax.net/comp/cpp/opengl/ (by PanGalactic)

by Bezi

why type casting doesn't work in here?

I know there is some problem with the type casting in here but I don't know what exactly is wrong. #define IMG_I (std::complex<double>(0, 1)) #define PI 3...

[2 replies] Last: Thanks Mercurialol, But this does not exactly answer my question. I... (by Bezi)

by vitinho444

Void Game Situations?

Hey guys, so im making a game in console and i wanna know if using voids its the best option for making different game situations. Example: Im making a ...

[2 replies] Last: kk thanks (by vitinho444)

by hannes

bind string to function

I'm making a program where the user can input a string and the result is shows. For example: If the user inputs cos(0) then the output is 1 There are ...

[4 replies] Last: Ok. Computing "cos(0)+1" isn't a problem really. I have two algorithms... (by hannes)

by TommyJohn

File I/O errors when running .exe

So, I wrote a C++ program in Visual studio 2010 in the form of a dice gambling game. Everything about the game works fine, however I wanted a way to store the h...

[2 replies] Last: Thanks, I wrote the program so that it would create the file highscore... (by TommyJohn)

by HeWasLikeAGhost

What I Have So Far

Alright, my first game project is making a text adventure game. I've got the rooms linked so far. I haven't seen anyone else linking their rooms like this and...

[6 replies] Last: in fact, it's almost identical to how I format my code That makes you... (by hamsterman)

by IceZaur97

First VC++ 9 (2008) Project

I made an app in C++.net 9 (2008) as my first project. All it does is scan for prime numbers from up to a specific range: // random0.cpp : Defines the entry ...

[no replies]

by NickPaul

Memory Allocation Problem.

Hey all. void lap::Matrix::allocMemory(){ std::cout << "allocating..."; try{ matArray = new double[numRows*numCols]; } c...

[9 replies] Last: Ok solved the bad_alloc problem. I was passing a pointer to an array w... (by NickPaul)

by manyeahkiss

what's lacking in this code?..

the problem is : to make this a diamond. and use only 1 printf("*");. here is the code : #include<stdio.h> #include<conio.h> main() { ...

[4 replies] Last: You're not printing any spaces - how do you expect it to form a diamon... (by PiMaster)

by cplusplusbeginprog

000

-00

[1 reply] : Why did you double-post this? (by Zhuge)

by neverknownig

switch and fractions

hi guys, i need help adding subtracting multiplying and dividing fractions that the user enters into a code. here is what i have so far, but when i run it, the...

[2 replies] Last: if you want to operate on a number of fractions in a continuous manner... (by buffbill)

by navderm

operator overloading and static functions

Hi All, It is important that overloading of = is defined for non static functions only. This has something to do with lvalues. Q1. can someone please ...

[7 replies] Last: I just looked online for some shape class features. I initially coul... (by navderm)

by lance5057

Struct array to function

How would you send an array of struct to a function to get all the structs populated? #include <iostream> using namespace std; struct Enemy{ int...

[2 replies] Last: Ahhh ok that makes sense. Thank you very much I've been stuck on that ... (by lance5057)

by omnigate

String Insert variable argument

I'm trying to center a title string on a 80 character wide console. The idea is to have a user input the title, then the system figures out how long the title i...

[3 replies] Last: I actually got this to work, I had a different error going on. (by omnigate)

by wonopon

Difference between char* and char

What is the difference between variables that are pointers and normal variables? Like what's the difference between char* and char, or void* and void, etc. Than...

[1 reply] : In general, a pointer is just a way to refer to a particular memory ad... (by Zhuge)

by wonopon

If char/string contains a letter

Is there something that checks if a character or string has a specific letter inside it? For example : char x; cout << "Type a word." << endl; cin >> x;...

[1 reply] : You can use the find_first_of() string member function. http://ww... (by omnigate)

by meganbutterfly

class and strings

i need to create a class: simpleAddress that has public functions to delete, search and list street addresses. a user needs to store the street address as ...

[1 reply] : homework, eh? (by hamsterman)

by ImpulseChimp

Question including multiple header files and .cpp files

I have created a text based battle simulation in visual studios 2010 and am having a large amount of trouble turning it into multiple header and .cpp files. My...

[2 replies] Last: Thank you Athar! At first what you said didn't make sense, but it push... (by ImpulseChimp)

by closed account zb0S216C

Class Access In D

In D, I created a class called MyClass with a sub-class called Data . In main, I created an instance of MyClass . There're two problems with my code: 1) Can...

[5 replies] Last: I think that you never create a instance of Data, you just declare t... (by closed account zb0S216C)

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General C++ Programming - February 2011 (Page 8)