Beginners - C++ Forum - June 2014 (Page 44)

Is there any way to find out how many derive classes are inheriting a Base class ?

[2 replies] Last: No. Your base class might be in a library that's used elsewhere. You... (by kbw)

I know the pass by reference i c++ like int func(int& x){ return x; } But on the book i am currently reading. There are somethings that the author doe...

[8 replies] Last: Yup i get it.. Basically what I had in my mind is correct. So it is on... (by skadush)

by Sefi

vector push_back problem

Write your question here. Hi, I can't understand why the following code compile. the error is: Description Resource Path Location Type passing 'const std::vecto...

[4 replies] Last: Thanks you! this was the problem. (by Sefi)

by closed account zw5DizwU

Tutoring ?

I really need tutoring, I am stressing out. Anyone willing to help? Thanks.

[1 reply] : Start by posting the problem your trying to solve. And then post the c... (by Bdanielz)

by q742tt9

Using a function to create an object in a queue

I am having some issues wrapping my brain around how use a function to create an object in a queue. Below is my current relevant code. I am creating a pointer f...

[2 replies] Last: Thanks xismn! That was exactly what I needed. I think I was just think... (by q742tt9)

by mehak

inheritance-

Write your question here. #include <iostream> using namespace std; class A { private: int a; }; class B:public A { private: int j; }; int main() { ...

[1 reply] : Private members do get inherited. They just can't be accessed direct... (by Lachlan Easton)

by mousecrazy

Help please (1,2,3)

Hi everyone! So I am trying to teach myself programming and I am really beginning to grasp c++ but there is a practice exercise I don't understand. I was hop...

[42 replies] Last: @Yay295 Yes. Your right. I was confusing what he wrote with and aggreg... (by Bdanielz)

by imbritty

Program to copy .dat file to .out file?

I'm new to programming and I'm trying to understand what my professor is asking me to do. The instructions say, "Write a program to copy a data file "lab...

[5 replies] Last: Or even better: http://www.cplusplus.com/forum/windows/132701/#msg713... (by S G H)

by danicpp

use of &i in file.write

is following syntax right??? if yes then why my compiler is giving error also if this is not right then please tell me, What you think my teacher wanted to t...

[9 replies] Last: using this file.open("useampi.txt", ios::out | ios::in); and for(in... (by danicpp)

by dfxg45sdSV

Error in including eigen library in c++

Hello, I am using a program given in documentation of library eigen. Here is code: #include <iostream> #include <Eigen/Dense> using namespac...

[1 reply] : From the Eigen website: http://eigen.tuxfamily.org/dox/GettingStarted.... (by norm b)

by mckryall

Help with strings

I'm trying to make an algorithm to print a triangle of asterisks. For some reason, it sets the output asterisk as only one every time, instead of (maxShapeWidth...

[2 replies] Last: Oh, so it's like I'm just running computations without assigning them ... (by mckryall)

by MrMan12345

Random number genoraters

I was staying at my dads house one day and we were playing a board game when he shows me this rpg called call of cthulhu. It's quite a popular game were you tak...

[1 reply] : C++11 provides facilities for exactly this kind of thing https://ideon... (by Lachlan Easton)

by SkyCountry

static variable w/in a class

Hello, In the Classes II portion of this site's excellent tutorials I encountered some things that I really had to research and hack on by commenting out and...

[3 replies] Last: Thanks! I couldn't figure out why Dummy b wasn't an array, but now... (by SkyCountry)

by JonsOnline

File IO read lines.

I am accessing this file and reading 4 lines of mixed integers and strings. When I output the buffers it seems my loop only reads the first line in the file. ...

[2 replies] Last: Thanks im glad you caught that. I was up all night working on this and... (by JonsOnline)

by ryushin

Comma in a cin command

#include<iostream> using namespace std; int main() { int a,b; cout<<"Key in the value of a"; cin>>a; cout<<"Key in the value of b"; cin>>b; ...

[3 replies] Last: So initially, a and b are uninitialized (so they can contain just ... (by long double main)

by Antone333

Change color of specific characters in colsole

i have a map for a game that is displayed in the console. now what i would want to do is be able to make the trees (T) colored green and the water (W) blue and ...

[2 replies] Last: Thanks that is really helpful. (by Antone333)

by Danilo91

introduction

Hello, my name is Danilo, i know i know... its not Sam, James or something like that but it's only name my mama gave me. So ... i might as well enjoy it. :D :P ...

[no replies]

by Blank

Converting currency

as the title says, my program converts u.s currency to a foreign countries currency. for some reason when i run the program and i choose a country, its alwa...

[2 replies] Last: thank you!! (by Blank)

by stijn

cout.put(ch)

OS: mac osx 10.9 xcode 4.6.3 i don't understand why i need to flush my console output, cout.flush(), in order to make the content of the file visible in the ...

[5 replies] Last: It should flush stream before terminating program. Maybe console win... (by MiiNiPaa)

by iwko

Project Euler #2

I'm still getting message "wrong result". #include <iostream> using namespace std; int main() { int n0=0; int n2; int suma=0; ...

[2 replies] Last: First iteration: n1 = 1, n2 = 1, n1 = 1, n0 = 1 1 is odd Second itera... (by keskiverto)

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Beginners - June 2014 (Page 44)