Beginners - C++ Forum - April 2011 (Page 43)

Very, very new to C++ and I have my first project. I have a file that I need to read in, and cut off any line over 1000 characters at 1000 characters and out...

[3 replies] Last: http://www.cplusplus.com/reference/string/getline/ http://www.cplusplu... (by Athar)

by CPlusPlusBeginner

expected primary-expression before

Hello All! I am new to this forum, and I am looking for a little bit of help. I have the following code that is continuously getting the same errors. I am sure...

[4 replies] Last: 8-0 Wow I messed up on that one! (by Computergeek01)

by frolacosta

Simple code not working

I have been learning c++ for about an hour now and i have produced this code. It is meant to print the number 7 in the command prompt but it does not and i cant...

[9 replies] Last: That worked perfectly, thank you. And yes i am following a tutorial X... (by frolacosta)

by Stupebrett

Class values

I'm learning about classes at the moment, and I'm working on one of the exercises in my book. Here is the exercise description: Create a class called Triangl...

[4 replies] Last: Aah, of course! Thank you very much! (by Stupebrett)

by BLooDiEMuRDA

C++ Number List visibility help?

I am using Microsoft Visual Studio Ultimate 2010, and I would like to know how do you make the numbers on the left side to appear, you know where you add a brea...

[3 replies] Last: Thank you. (by BLooDiEMuRDA)

by Solrac

Trouble separating Namespaces/classes

I have a project that I got working. But I can't figure out how to seperate all the classes in the namespaces to their respective .h/.cpp files. I don't know i...

[2 replies] Last: Yes the 2nd namespace is named csc350Lib_calculus_snle.h I want to t... (by Solrac)

by jesterfanatic

Using an array from a file.

I half understand it but I can't find any examples online to help me with my problem. Essentially I'm trying to make a program that will read an array from a da...

[1 reply] : Use ifstream to read data from files: http://www.cplusplus.com/referen... (by Athar)

by Maerle

array of a class

book.h class book { string categoria; string titulo; string autor; int paginas; int edicao; ...

[10 replies] Last: 1) They need to be using the constructors like hanst99 stated 2) Your ... (by firedraco)

by finchCZ

virtual function = 0

Hi everybody i have a question. Why is in this code class Body { public: virtual double Volume() = 0 { } virtual double Surface() = 0 {...

[11 replies] Last: This is what I mean (although I have not sen it in practice) class Ba... (by guestgulkan)

by Blessman11

Function member pointer?

Is it possible to create a function pointer inside a class?

[2 replies] Last: youve just saved me a time of painful experiments (by Blessman11)

by shiyongseng

Changing number to string in guessing game

I've only been programming in C++ for a few weeks. Now, I have a project that the teacher has given little information about for Visual Studio 2008 in Win...

[11 replies] Last: So how can I get it to work? Like I said, we were coding in C++, and ... (by shiyongseng)

by Kelevra

SDL - Rendermap

Hello, I am writing on a function that is going to render my map but somehow it is not returning anything. I have really no idea why it is not working. All t...

[2 replies] Last: Yes you are right about the prototype and I see what I did wrong. Pre... (by Kelevra)

by maxg316

Program with Virtual Functions crashes when run?

Hi, i've made a program for a college system which allows users to enter in student details and view the grade levels of the student. I have used a base and der...

[2 replies] Last: Oh yes of course, that works now thanks. (by maxg316)

by niku

Traking ir-leds

Hi! I am a total newbie to programming and just started using openFrameworks. So I am in a desperate need for some help! So I am doing a project where I need...

[1 reply] : anyone? (by niku)

by caneta

Iterate on an array inside a vector

I have a vector of normal C arrays. What I want to know is how can I access each element of every array? Example which does not work (only to understand the l...

[2 replies] Last: Thanks! (by caneta)

by caneta

Access a method variable from another method

Is it possible to do that? For example, is it possible to write something like: class A { public: void method1(void) { int a = 1; ...

[4 replies] Last: Ok, thank you! (by caneta)

by LiLChris

Loop and other questions.

Lottery style winner selection I want to loop it from radom() back to prize()....how would I go about doing that? Also is there an easy way of making sure m...

[no replies]

by app08sfs

Hamiltonian Question

Hi there, I've got a question to ask regarding Hamiltonian problem. I'm doing on a simple question below: State equations ODE:- dy/dx (t) = x2(t) d^...

[no replies]

by rassilon256

Classes, functions, and manipulating ifstream data

I've got a task whereby I need to take information from a file using a function within a class, then depending on the nature of the information pass it to one o...

[10 replies] Last: Thanks, that helped. I've made a few bigger changes so I'll mark this ... (by rassilon256)

by Jonnyisonfire

Pointers in "Battleships"

Hi all, For a university assignment I have to create a version of "Battleships" in C++. The module I've taken is entry-level programming so I am pretty much a ...

[no replies]

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Beginners - April 2011 (Page 43)