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Beginners - August 2013 (Page 20)

Write your question here. Hey I need to change y = down , x = up , 2 = ... what ever become to the arrow control left = left , right = right , down = down , ...

[1 reply] : Try changing yt instead of xt under case 'y'. Think about how increasi... (by kevinkjt2000)

by Hummer1

i need an additional code. pls. help

1. Write a program that uses a function which computes for the Prelim Grade. With the following details: a. Quizzes ( Average of 3) b. Exercises ( Average of 3...

[2 replies] Last: Oh my gosh... I could not do this... I would just write the functions... (by IWishIKnew)

by beginner2012

error C2062: type 'int' unexpected

What could be causing this error? Here is part of the program: #include "stdafx.h" #include <iostream> #include <stdio.h> #include <iomanip> #include ...

[2 replies] Last: Thank you very much!! It worked :) (by beginner2012)

by Zerpent

Runtime error when printing std:string.

Hi. I am trying to learn how to use inheritance in C++. I have a base class: Animal. I also have a sub class : Cat, which inherits Animal. I am trying to ...

[10 replies] Last: Ok, I will take a closer look at how namespaces work and I will rememb... (by Zerpent)

by closed account EwCjE3v7

Why is it bad to put stuff in global scope

Hi there I was just wondering why is it bad to declare variables in global scope like it can make code shorter for ex Int a = 0, b = 0; int add() { Cout...

[3 replies] Last: Thanks I'm nearly finished reading it.thanks guys, I got it. (by closed account EwCjE3v7)

by mosahab

pass 2-d arrays with different names to the one function

How can i pass 2-d arrays with different names (but the same structure and data type and size) to a function? using namespace std; void OutputArray ();...

[4 replies] Last: What about reference? (by closed account EwCjE3v7)

by NouveauRiche

dynamic memory allocation

char *abc= new char in the syntax above, what is actually happening? i mean why i have to specify the type "char " twice. also, i have tried to store a strin...

[4 replies] Last: I'd recommend you look at the STL classes std::string (for character a... (by MikeyBoy)

by Aibsr

return a reference

heeyy when should i return this and when should i return *this in class functions? CVector& CVector::operator= (const CVector& param) { x=param.x; ...

[2 replies] Last: A reference parameter saves a temporary. a = b; // pseudo expands to ... (by keskiverto)

by xjliu618

Questions regarding parallel processing.

Hello everyone, I am working on a project for RF signal data receiving and sampled data processing. Right now, I have two separate functions, one function ca...

[1 reply] : I presume that the receiver writes a new file every time (or at least ... (by keskiverto)

by masschamber

Help with two dimenstional array and ifstream

Hi everyone this is due in a few hours and have been slaving over it for the past two days. Basically I'm getting an error when the second function reads the ...

[4 replies] Last: Please show your student.dat file. Do you make sure that it is empty b... (by abhishekm71)

by Ragnell

Declaring "end1" in scope.

I'm writing a program that converts Celsius degrees into Fahrenheit. So far I only have one error, and it tells me that "end1" was not declared in scope. How do...

[3 replies] Last: Thanks guys. (by Ragnell)

by Jazpy

Variadic function

Could anyone be kind enough to help me figure out why my code doesn't work? It's my first time trying anything with variadic functions, but from the few tutoria...

[4 replies] Last: Thanks for the help, it's working as expected now this worked too in ... (by Jazpy)

by tetricsteel

While loops and Programing Logic

Sorry for the delay, but I was actually going to post about Loops. I am trying to make a calculator that accepts inputs and outputs also if one is wrong they c...

[3 replies] Last: I'm aware. I was hoping the TC might clarify as to what his/her questi... (by Zhuge)

by SkaN

Segmentation fault caused by addition operation

Hello. I occurred a problem. Script faults with "Segmentation fault". GDB points command sum += arr ; in the Row::mean() function. All the variables are defined...

[11 replies] Last: Thanks very much :) (by SkaN)

by closed account 1v5E3TCk

Binary Tree

I am trying to learn about binay trees And I want to make the program able to balance the tee when user wants. For doing that it counts the number of nodes and ...

[6 replies] Last: thanks for replies I will look at them at choose a good one :D (by closed account 1v5E3TCk)

by Zerpent

Virtual Base Class

Hi :). I just read about virtual base classes. From what I understand, when you have multiple inheritance from a base class and create instances of the deriv...

[5 replies] Last: Ok thank you so much :). (by Zerpent)

by ar2007

fstream fail open file

hi, in this simple program to learn the i / o on files, the code works, but it always fails to open the file. what determines the success of the call of the f...

[13 replies] Last: Some explenation why it did not work. Your say test_file.open and th... (by Nickel Dare)

by JHEN18

array

make and run a program that will accept a user inut not more than 80 chracters and find the total number of inputted character..

[9 replies] Last: I would simply declare the array with 81 and once it reaches the 81st ... (by Nickel Dare)

by theblackdog

Access an function of an class

Could someone please explain how to properly access a function of an class my compiler gives that error: error: cannot call member function '' without object ...

[7 replies] Last: Doing it the wrong way won't give you a better understanding ;) (by LB)

by drowe217

Instruction

Is there a good instruction program for learning C++? I want to learn to program games and other helpful and fun things. Thanks Dylan

[3 replies] Last: C++ is very low level, there is a lot to know before learning graphics... (by IWishIKnew)

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