General C++ Programming - C++ Forum

Segmentation fault when trying to traverse tree

Hello. I am currently working on a Huffman code program for one of my classes. I've been working for a while now but I have hit a wall. I have gone all the w...

[6 replies] Last: One issue is that the tree is composed of nodes that are in a vector a... (by cire)

by Johnny111111111

I was wondering?

In java it is possible to light a led by simply sticking a LED into ceirtan holes of the printer port, you also need some code... but my question is how would y...

[1 reply] : The same way as in Java, you just need to set the appropriate pins to ... (by Duthomhas)

by san1234

selecting elements from a group

Hi Hi, I have N vectors which look like this: [1→m] [m+1→2m] [2m+1→3m] [3m+1→4m] [4m+1→5m]..... [{(N-1)m}+1→Nm] I want to select 1 element f...

[1 reply] : Basically you need to compute m^N elements. This means that you need N... (by ats15)

by shrayder

Logical Error: Change value inside void statement

Hi there, I've encountered a slight logical error in my code /* Lab06_pensionplans.cpp Purpose : - Create a simple financial application to calculate...

[2 replies] Last: Hey thanks! :D I only done the question thanks to google, now I know t... (by shrayder)

by greacon01

classes and objects, pls can i get help with this?

1: Give a C++ class declaration called SavingsAccount with the following information: Operations (Member Functions) 1. Open account (with an initial deposit)...

[no replies]

by Limne

Accessing Every File in a Directory

So I wrote a program to turn a binary file's data into an unsigned character array for inclusion in an executable. It works just super. I'm wondering how I c...

[9 replies] Last: By chance, I've sort of just bumped into the source for the WALK progr... (by andywestken)

by devonrevenge

why am i getting mixed up strings when i am trying to append them end to end

so i tried string = string + string +string I dont the expected output in order I have tried output.insert(0,"\r\n PRIVMSG "); output.insert(11,jo...

[9 replies] Last: Okay thanks Disch, I thats really helpful, I like the effect the compe... (by devonrevenge)

by Nobody471

Writing into files

Hello, i use VC++ 2010 express. I am making a windows form program. I want to make a program whitch makes a file containing number of seconds since midnight. I ...

[2 replies] Last: If you display the output to a label, does it look correct ? It works... (by Nobody471)

by Wux

Escape sequences and characters

Hello, I am making my way through c++ primer (Lippman) and I have found the examples/exercise so far quite good at reinforcing the topics described. In the esc...

[5 replies] Last: @Wux How would you print "Hello Mad" with the "M" represented as hex,... (by whitenite1)

by Noobplusplus

Stop Scientific Notation

double number = 10000000; int range; //the length of the string result string result; //holds the number in a string ostringstream conver...

[2 replies] Last: I knew it was going to be something so simple. Thanks for the help! (by Noobplusplus)

by ilovecplusplus

Multiple declaration of global 'delete' operator

Hey Guys, How can I declare global 'delete' operation multiple times? Like, I've an implementation of global 'delete' operation in a file 'x' but I want a di...

[3 replies] Last: It's not allowed, global allocation/deallocation functions can be repl... (by Cubbi)

by poohpooh

RegSetValueEx BOOL

I need some help im writing an reading from the reg on startup of app an on close on close i can write the bool to the reg with this RegSetValueEx( hk, ...

[4 replies] Last: When it comes to C++... bool is a built-in C++ native type which tak... (by andywestken)

by meesa

[C++] Multple c++ files causes "multiple definition" error?

I'm using multiple C++ files in one project for the first time. Both have need to include a protected (#ifndef) header file. However, when I do that, I get a mu...

[5 replies] Last: I know this has been marked as "solved", but just to be clear: - you ... (by MikeyBoy)

by foozhan

object in c++

hi all is it possible to don't declare an object for a class and use the function of this class ? i saw a code use this but i cannot find it again .. can some...

[7 replies] Last: i mean in that code i loss and can not find it again... no this link, ... (by foozhan)

by jakemorris0871

Problem with classes.

hello, i'm following a ebook i bought from game institute it says the following http://puu.sh/3Dchg.png this is what i've wrote onto my script int ma...

[3 replies] Last: And inside main, something like: int main() { Wizard Gandalf; ... (by mutexe)

by alprice

Overloading operator for complex numbers

I have a program written to add 2 complex numbers. Everything is working, except when the sum gets written, it gives me a number that is way off. Can you see w...

[12 replies] Last: For example complex_numbers::complex x(0, 0); (by vlad from moscow)

by puppymew

Pointer or &

The program should have a menu that allows the user to perform the following tasks: 1. To enter the source file name. 2. To enter the destination file name....

[3 replies] Last: pointer (*) or dereference (&) pretty much have the same function with... (by rmxhaha)

by Pickle Gunner

Texture or Image?

I happen to be using Sfml for graphics and was wondering if I should use images or textures for sprites. Does it matter?

[4 replies] Last: The main difference between sf::Image and sf::Texture: - Image is sto... (by Disch)

by Nobody471

Conversions from textbox to string

Hello. I use VC++ 2010 Express. I want to make windows form app. I want to make something like this #include <fstream> ... ... ... ofstream File(vardas-...

[6 replies] Last: It's not an additional include you need here, it's another using state... (by andywestken)

by hungrytacos

Date Validation Help

How would I validate the date? Thank you. struct Inventory { char SKU ; char category ; int qty; double cost; char date ; }; vo...

[4 replies] Last: How do I do #2. substr() won't work for me. I assume it's because I'm ... (by hungrytacos)

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General C++ Programming - July 2013 (Page 19)