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General C++ Programming - August 2015 (Page 14)

I have a data structure question. Don't know if this is the right place to put it. Anyways here it goes: I am not understanding why there is a difference in th...

[1 reply] : In case of a graph, we print the node and then go to the next node(ch... (by helios)

by closed account N7960pDG

delete please, didnt know I couldnt post completed code here

deleted

[8 replies] Last: I think it more likely OP's teacher found out he was asking for help h... (by Duthomhas)

by natekelsey

C2440 error in BitArray template class

Ok so I've spent quite a bit on this and I'm at a loss as to what to do. I've gone over my code and everything looks to be fine. This is currently incomplete. A...

[2 replies] Last: BitArray<> temp1 = slice(n, _count - n); return bitArray <<= sLeft; ... (by MiiNiPaa)

by shawnlau

Tip for those interested in programming graphics

I've seen more than a few questions from people asking how to get started in programming graphics. The thing about programming graphics is not just knowing how...

[2 replies] Last: It got more interesting. You would need this to run it: https://proce... (by shawnlau)

by shadowmouse

Smart pointer as member

I'm currently making a class that has an optional member (a texture). As textures are very big, I'd be using references or pointers anyway but because it is opt...

[10 replies] Last: You could just modify it to hold shared_ptrs instead of weak_ptrs, wh... (by MiiNiPaa)

by bobthecoder

bit reverse algorithm

I am trying to understand how FFT works in C++, I found a site where it provides source code(http://www.drdobbs.com/cpp/a-simple-and-efficient-fft-implementatio...

[no replies]

by technologist

need to add namespace to header, other file compilations

Recent exercise was to multiple file compile 1) .cpp and another.cpp and 2) .cpp and .h. Both work as long as I have namespace in the dependent file. ex: main...

[5 replies] Last: how to add a .cpp file to another .cpp file You've not learned anyth... (by Duthomhas)

by YowHow

Enum as a type for function?

This code enum MenuResult { Nothing, // Enums for game state Exit, // Enums for game state Play, // Enums for game state }; MenuResult Show(s...

[6 replies] Last: I see.. Thanks everyone. also on the c#. Awesome work. Thanks. I a... (by YowHow)

by Yoav Bar

Special types mixing pointers and arrays

Hi, I have to call a function in some DLL One parameter for the function is defined as: float (***p) ; It somehow should hold a 4 dimensional array of float...

[3 replies] Last: whooops, thank you! (by Gamer2015)

by abghaffar

OMRON D6T

Hi there, Im new to C++ Programming and trying following c++ code. #include // I2C communication functions extern void I2C_start(); extern void I2C_re...

[2 replies] Last: I get no errors compiling this in Visual Studio. What compiler are you... (by AbstractionAnon)

by kecik

comparing user input with textfile and for loop

Hi. I am trying to compare what user enter with the data in my textfile. However, I am still not able to do any comparison. And on top of that, they will have o...

[5 replies] Last: it's meant to stop, that's why it's called a breakpoint. When it does ... (by mutexe)

by codeextint

Correction of Merge

Please can you help me find a errors corrected in this code //Merge Sort #include "iostream" #include <conio.h> #include <stdio.h> using namespac...

[8 replies] Last: Line 16,27: elseif is not valid else and if are separate keywords... (by AbstractionAnon)

by xuancong84

suggestion: joining two bitsets

It is quite disappointing that C++11 cannot join two bitsets. For example, I am doing Huffman encoding/decoding. I have obtained the code word for every input ...

[2 replies] Last: Bitsets represent fixed sets of bits. If you want a dynamic collect... (by Duthomhas)

by aftabn10

Collision Code Help

Hi, I was looking for some help in regards to some code that I have written for a replica Pong Game. I have managed to create a border around the game using rec...

[12 replies] Last: Collision objects are a lot simpler than the objects they represent. ... (by Duthomhas)

by vaibcse

Please help in C++ programming

have the following code that compiles fine as one file, but need to seperate the .cpp files (Item and ShoppingCart) into .cpp and .hpp files. I should end up wi...

[1 reply] : It's quite straight forward, just put your class declarations in a sep... (by ajh32)

by logmein

arrays

#include <iostream> #include <conio.h> #include <cstdlib> using namespace std; int main () { char ans; do { int i, n, sum; int array ; cout << "E...

[4 replies] Last: I think line #69 should read for (int i = 0; i < sizeof(array)/sizeof... (by codewalker)

by AustinB

Their must be a more efficient way of doing this.

I'm planning on building an auto trading algorithm, but I'm currently not sure what the best way is to have arrays of a size of roughly 50 continually updating ...

[2 replies] Last: You could make a map of arrays or vectors. #include <iostream> #incl... (by Gamer2015)

by qwertypads

anyone can u answer this

c++program that accepts five numbers from the user and DISPLAYS the highest and the lowest number.

[4 replies] Last: Here are tutorials, I don't know how far you are but the first part, "... (by Gamer2015)

by thundahguy

Problem with SDL

So i'm trying to build this code #include <iostream> #include <SDL\SDL.h> int main() { if (SDL_Init(SDL_INIT_VIDEO) < 0) { std::cout << "SDL init faile...

[1 reply] : Where are your .lib files located? Make sure they are located where Vi... (by Peter87)

by krishneel94

Getting data from sensors/switches without a library?

Hi everyone! I'm Krish, brand new to the forums. So...I have a little experience with using switches and what not, but in all the cases I have done so I had a l...

[3 replies] Last: C++ doesn't know anything about any devices on the computer. For all i... (by LB)

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