General C++ Programming - C++ Forum

class StringTree{ private: class TreeNode{ friend class StringTree; string str; TreeNode *left; TreeNode *right; TreeNode(string s, TreeNode *...

[7 replies] Last: Wow. I forgot #include<string>... (by tjcrandall)

by hopesfall

Why am I getting linker errors?

So I have 6 linker errors which tell me some of my functions which are referenced in my .cpp file dont exist. These functions are in my .h file which I have inc...

[4 replies] Last: You didn't define functionE in the class; you declared it there. You ... (by Telion)

by nick92

biggest value?

hi this is my first post i need help for this problem..:( #include <iostream> using namespace std; int main() { int x=0; int y=0; int num; ...

[3 replies] Last: For starters, any time the condition, x > y, is true the count will be... (by moorecm)

by desiboy5291

If Then Else Nested: Largest Integer

Hello everyone! this is my first post on here. Currently I am working on a project for my introduction to computer science course and I have run into a few prob...

[3 replies] Last: At least remove the semicolon in the statement if(value1>value3) ; ... (by vlad from moscow)

by closed account 365X92yv

Overloading default Constructors

I know you can overload certain constructors when working with classes, such as the default constructor, the destructor, and even the + and = operator construct...

[1 reply] : When you create a pointer, you don't create the thing for it to point ... (by Moschops)

by capito

Classes in Sub-Objects

Was hoping to get feedback on the following scenario - "for the class declarations below, how many sub-objects of type Base1 are there?" ----------- ...

[2 replies] Last: OK - that's consistent with what I thought. Although, you could say te... (by capito)

by waterfiend

Switch statement in file input/output

Solved

[1 reply] : When you do the first case first, you reach the end of the file and th... (by clanmjc)

by error0024

Regarding infinite loop with cin and while

Hey there experts and gurus. I wanted to ask about the code i have used below here. I wanted to only allow 1 to 12 numbers,since it only has month 1 until 12 ...

[2 replies] Last: Instead of casting your input directly as an integer, you may want to ... (by astex)

by astex

boost::function doesn't like templates

I have a function template that takes a boost::function as an argument. In simpler terms (without use of boost): template <class T> T g(T (*f)(T), T a, T b,...

[6 replies] Last: Template code is not "real code" in that sense. At one time people th... (by Cubbi)

by capito

C++ Pointers question

Brushing up on my C++ by working through some C+++ test questions. Could someone elaborate on the differences in behaviour of the following pointer declaratio...

[10 replies] Last: Thanks. (by capito)

by DeadEli

class object pointer access methods?

I am writing code and I am using a pointer to point to an object of a class I created. I want to have this pointer run a method, but I am getting an error of: ...

[3 replies] Last: Thanks, that worked. (by DeadEli)

by siloan

Declaring with new & delete

Hi there, all things declared with new must be deleted? For example in a function i have a char declared with new, after function ends things declared in it are...

[7 replies] Last: Yup. New byte(10) almost got me, until I realized curved brackets :S ... (by BlackSheep)

by even821

question about reading files

how can i take numbers and characters from a file and put it into a variabel (in this case into an array). i already know the basics of output to files (using ...

[3 replies] Last: Yes, except cmd window is limited to how many lines it can display, wh... (by Ortonas)

by Mannah

Composition classes

this is the header file #ifndef person_h #define person_h #include <iostream> #include "address.h" using namespace std; class Person { public: P...

[2 replies] Last: Thnkkss =$ (by Mannah)

by snig

mobile wifi router app.

hello im fairly new to c++ but i am learning pretty quickly so i was wondering how hard would it be to make an app for a mobile device with c++ what could take ...

[2 replies] Last: yeah ok i will take a look. thanks (by snig)

by roarkr

Reading txt file with ifstream goes wrong

Hi, I have the following code that reads an ip address ( i.e. 192.168.0.199) from a txt file. The txt file has only 1 line and that is the ip address. The ...

[4 replies] Last: Don't forget to replace while(!stream1.eof()) { stream1 >> ... (by Cubbi)

by BABU Prasad G

Error in the following code

Dear Friends, I am getting the following error when I integrate this piece of code into my program , but when I execute this independently It is ex...

[8 replies] Last: Thank you , Yes you are correct , it is declare in " iwlib.h" header f... (by BABU Prasad G)

by Maggi Iggam

Ufff.... Getting Wrong Answer !!!

Here's the question :- The government of Siruseri has just commissioned one of the longest and most modern railway routes in the world. This route runs the en...

[15 replies] Last: Oh ! :D (by Maggi Iggam)

by Yousra

The Problem: The Towers of Hanoi

Hey, I am working on my assignment and I tried to run the program and I get build in errors, So first this is my problem : In the Towers of Hanoi game, there...

[7 replies] Last: You're welcome :-) Please mark the article as solved. (by TheDestroyer)

by even821

some qt questions

i have decided to learn qt since i need to lear gui programming. (i would prefer something more like sdl, where you still just write code and dont do any stupid...

[no replies]

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General C++ Programming - April 2012 (Page 35)