Beginners - C++ Forum - August 2009 (Page 6)

Quesion on explicit copy constructors.

i wonder why the following code can not be compiled. // compiler: gcc 3.3.1 #include <iostream> using namespace std; class a { public: a(){} explic...

[1 reply] : Never, ever, make a copy constructor explicit, unless you want to jump... (by jsmith)

by CrimsonSoul

List losing elements on sort

Hi all, I'm trying to write code (in Visual Studio 6) to generate a number of test customer entries which will allow me to get some timings from another prog...

[4 replies] Last: A lucky Google strike! I wondered if the 37,768 was relevant and ad... (by CrimsonSoul)

by alxsk8

Functions, Errors

Ok so I am trying to write (just for practice) a little program that figures out the total net income of an individual after taxes. I am getting funky errors a...

[11 replies] Last: Ooooooooh hahaha thanks a bunch draco, I can't believe I forgot that. ... (by Warrior2089)

by marvolo1300

cin.get()

i made a very simple calculator and when i press enter to receive the result it doesnt work. can someone tell me what i did wrong? #include "stdafx.h" #i...

[5 replies] Last: #include<iostream> using namespace std; int main() { int first_num... (by batsugunx)

by closed account jLNv0pDG

cin/cout

Is there any way (cout function?) to display the contents of the input queue without discarding them all? Assuming I input "ABC", cin.get() takes "A" and lea...

[3 replies] Last: datatype char stores only 1 character,thats why only A was displayed.c... (by batsugunx)

by tsliyan

C++ Online practice exam questions

Hi, In Java they have a good online lab practice questions called whizlabs. Is there something similar to this in C++? Even some links with answers and ex...

[no replies]

by Toxic90

struct and routines

Hi guys, I'm making a game in C++, is it possible to pass a struct variable to a routine by reference? thanks!

[5 replies] Last: Your original premise was also correct. In C++, you can pass by refere... (by Duthomhas)

by leszekj

Joining many text files into one

I have 153 text files that I named "1", "2", ..., "153". I wanted to join them into one file named "all.txt". I tried to do this through the code: #include ...

[6 replies] Last: An o stringstream is an output stringstream (which uses the << op... (by Duthomhas)

by bcollignon

hdf5-parrallel

Dear all, Ok. I am using the hdf5 module to parallelize the IO reading/writing in a c program. I did include <hdf5.h> in main.cc but I got that: "main...

[2 replies] Last: This is how is the Makefile after ./configure CC=h5pcc CXX=pgCC (it se... (by bcollignon)

by miharbi

can't excute on other computer

i compiled a program with VS2008, the exe is working like it should on my computer, but i tested it on 3 other computers, and i got this error : http://www.p...

[16 replies] Last: It's misleading in that you didn't give any context with your answer ... (by helios)

by OldGregg

Segmentation Fault

Hello, I'm new to these forums. I've been working my way through Accelerated C++ and have hit a snag with one of my exercise programs. I'm trying to create a ...

[8 replies] Last: while(d != dc) { if (list == list ) ... (by Zaita)

by bcollignon

the system command

I am trying to use the system command to launch a python program. example.cc ==================== main() { (...) i=system(program.py); (...) } =...

[12 replies] Last: actually I am working on linux (by bcollignon)

by Cbick

Can't get buffer to clear

I cannot get the buffer to clear when I am trying to run my program. #include <iostream> #include <fstream> #include <string> #include <algorithm> usi...

[7 replies] Last: I worked it out chrisname so no need to post a solution that someone c... (by Cbick)

by windgrey

mergng 2 txt file into 1 txt file

hey there. i'm trying to read from 2 sorted txt files and then merge them into 1 sorted txt file. but i can't execute them successfully even though the exe. win...

[7 replies] Last: What do you mean sort them? And yes, it's C++ but could easily be t... (by chrisname)

by Mohammad32

stopping functions with if, else if and else

Peace, I read the thread that is about how to ask smart questions, and I think I can ask now, firstly my English is bad so I think I can't explain good way, a...

[19 replies] Last: If you want to return from a void function, simple use return; with no... (by rossipoo)

by Nsanden

fstream, possible to write/read at the same time?

Hello! I'm pretty much a complete beginner to c++ and was just trying to figure fstream out mostly for fun but i can't seem to find an answer to my question ...

[1 reply] : Hm, if looks like it should be legal...I would think an easier way to ... (by firedraco)

by Timbo1

Firing a bullet with SDL (1,2)

I am trying something out with this sdl code but I get this error. In member function `void Bullet::show1()': cannot convert `SDL_Surface*' to `SDL_Rect...

[28 replies] Last: Oh Timbo1 - you really are hard work I'm sorry to say. Do you you und... (by guestgulkan)

by Heedicalking

Starting out.

I just picked up the C++ for dummies book and I would like to know what I should attempt making for a beginner program. Then how I would move on into making 3d ...

[2 replies] Last: also, http://www.cplusplus.com/forum/articles/12974/ (by Gregor)

by GunnDawg09

Bounding Box Collision

I am trying to get back into SDL was wondering if someone could help me figure out how to get a bounding box collision set up between two box.jpg surfaces I am ...

[1 reply] : http://lazyfoo.net/SDL_tutorials/lesson17/index.php (by Return 0)

by cppuser

Regarding inheritence

Hi guys, one simple question here. When we create a class which derives from another class (let's say A extends B), do we have to specify the inheritanc...

[2 replies] Last: I see, if there is default constructor. Thank you for the answer. ... (by cppuser)

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Beginners - August 2009 (Page 6)