Beginners - C++ Forum - February 2012

Call a Function From One Class Inside Another Class's Function

Suppose I have the following 2 class header files (A.h and B.h), with a function inside each: class A { public: double f(double); }; class B ...

[11 replies] Last: Thanks! (by skyline01)

by thecloud

Project help

Hey everyone, I am making a madlib program and would like a better direction or understanding on what I need to do. I need to read a file and find the to...

[2 replies] Last: Alright I will give that a try. But also adding the string to the map.... (by thecloud)

by moot1

functions in calculator

i dont get what im doing wrong...when i press 1 to add it goes right to the restart screen? #include <iostream> #include <cstdlib> using namespace std; ...

[2 replies] Last: As it was already pointed out you define function int add(); instea... (by vlad from moscow)

by Novak

Level Up Problem

Hi, I'm new to programming and have been following some tutorials on youtube. After doing the first few, I thought I'd put my knowledge to the test to see if I'...

[2 replies] Last: Thanks cire. Easily solved my problem without over complicating things... (by Novak)

by er0850

Some Assistance Please

Last week I had an assignment in my beginners C++ class, which was: "1. Write a C++ program to evaluate the following expression: (1/n!)-(x/(n-1)!) + (x2/(n-2)!...

[2 replies] Last: Okay sorry about that, I'm new to this website as well. In response t... (by er0850)

by Hydrasin

Quick question regarding IF ELSE

Hi, noob here with a quick question.... In the following code I'm trying to initialize int limit with a value using the if else statement. However when I try to...

[7 replies] Last: Oh ok, looks like its working now, thank you for the help! (by Hydrasin)

by maksins

Difference between "Class X" and "Include <X.h>"

I see in many programs if I have to include a class X, I can do it either by declaring "Class X" or "#include <X.h>" in the beginning of my program. What is t...

[4 replies] Last: As they have all stated, you'd want to use the line class X; if your... (by Need4Sleep)

by moot1

how to exit loop

HI i want to exit this loop when if(comphealth <= 0 || yourhealth <= 0) that if statement is true.how do i do that.like can i put something after the if statem...

[12 replies] Last: You re define new varibles in every function. The varibles you have on... (by Need4Sleep)

by Lio

Default constructor

Why,after I initialize an object the print function is giving me error Thanks #include <iostream> using namespace std; class A { public: A() ...

[3 replies] Last: Thanks Spasiba:)))) (by Lio)

by HomesickAlien

some help with overloading operators

Hi all, It's getting interesting now, but also more difficult. Please have a look at the following example for overloading operators in order to create a vector...

[4 replies] Last: So, all the effort is essentially to construct the part "+ param.x(y)"... (by HomesickAlien)

by closed account 2NywAqkS

LodePNG Function

After many failed attempts of trying to make a function to load PNG textures like: GLuint Texture_1 = LoadTexture("Texture 1.png"); so that I could them...

[no replies]

by AbeVig0da

Keeping a file open while passing to different functions

Hello, I've only been working with C++ for less than a week and I have a problem. I've written a question class for a trivia game that works fine when I enter d...

[3 replies] Last: I've actually worked it out on my own. I have not yet mastered referen... (by AbeVig0da)

by Castelmagno

Valgrind - Invalid read of size 1

I'm getting the next error when running memcheck with valgrind: Invalid read of size 1 ==2511== at 0x4C29852: __GI_strcpy (mc_replace_strmem.c:313) ==2511== b...

[no replies]

by Castelmagno

Question about pointers

Hi i got a function that looks like this: int main(void){ char * string; char * string2; string=test(1); printf(...

[4 replies] Last: I think it had something to do with a filepointer in my function. I ma... (by Castelmagno)

by yhangel

confuse in choosing a method --c++

I'm currently doing this program now for our project and i'm quite confuse on what to use in order to satisfy my idea.. here it is.. i have this program t...

[2 replies] Last: it would be more helpful if you elaborated on what you had to do with ... (by shocklightning)

by lulu girl

PLEASE HELP

so i have a home work on structs and i made this code , i just cant figure out where i went wrong the cin isnt filling my array and its giving me a garbage v...

[2 replies] Last: THANK YOU!!! (by lulu girl)

by rozick1

Hash table for dictionary?

Hi everyone, I'm trying to create a method for spellchecking which isn't as slow as searching through every word in a dictionary. Apparently the best way of ...

[1 reply] : The hash doesn't have to be unique and the standard library already im... (by Athar)

by cppuser

Drawing An Arc Using Lines

I am new to C++ and attempting to put together my first Windows App. I am using Visual Studio 2008 C++ Edition with Windows 7. I have written a procedure whic...

[5 replies] Last: Just to finish this off, I had been calculating the circle point co-or... (by cppuser)

by gelatine

infinite loop ?

hello i have a code i can compile it. but once i run it it starts doing errors. i think it is because an infinite loop but i dont see where. here is code ...

[1 reply] : Give your variables more meaningful names than "a", that's currently t... (by Athar)

by moot1

question

For those of you whose job is writing in c++ what do you do.Do you write like programs for companys? Do you make games? do you use graphics? what do you use to ...

[3 replies] Last: I work for a consultancy/outsourcing company and write back-end server... (by MrHutch)

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Beginners - February 2012