General C++ Programming - C++ Forum - October 2012 (Page 48)

Write a boolean function that accepts a positive integer parameter from the caller and returns true if the integer is a perfect square and false if not. Test th...

[1 reply] : Break large projects into smaller steps. I would suggest you start b... (by Disch)

by purpleblue

cin.peek problem

Hi, say I am using stringstream to get three inputs in a line, and I want to check if the first two inputs are integer. (the last input can be anything). I ...

[1 reply] : I am not sure why you are trying to bend the usual rules for this one ... (by Duthomhas)

by vinu

Passing macros as arguments

I am need to pass #define macro as a definition. Is there a way to do it? have typed a sample code for an idea i am trying to achieve . I am not new to C++ b...

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

by hackinghorn

Dynamic memory used in function

Suppose I have the following code (I saw this kind on the Internet): class foo{ public: int m , n; foo(int x , int y){ m=x; n=y; } }; void...

[5 replies] Last: You could have checked this yourself by making a destructor that print... (by closed account 1yR4jE8b)

by Aaron Yoder

RSA implementation using GMP library in c

I'm implementing rsa encryption using GMP library in c. I get a seg fault on line 44 while trying to read from a file. Thanks for any help. #include<std...

[no replies]

by skittlesaddictx50v

Quick Question on Loop

If I have a Do, While statement. How do I make this repeat and output ten times? I know it is repeating until the condition is met, but how do I do this an add...

[4 replies] Last: How about if I ask this at the end? How to repeat the whole shabang? ... (by skittlesaddictx50v)

by edimel

c++ graphics.h

plss..help me.. Devise a c++ program to illustrate a scene or scenes using graphics, animations and/or sounds

[3 replies] Last: i haven't been very much into graphics and stuff, but sdl should be en... (by ritka)

by thropedo7

Code that returns the sum of the series 1! +2! +n!

I'm having trouble with the code below. I'm supposed to write a function but I wanted to get the basics down first and I don't understand why my code below isn'...

[1 reply] : You must return 0 at the end of your int main() function. (by hackinghorn)

by hunterb24

trouble with loops

I cannot get these loops to work correctly, I am a beginner. Can anyone help me out? Thanks in advanced. #include <iostream> int main() { int...

[4 replies] Last: the program needs to store the name of the student and the quizzes the... (by hunterb24)

by vckngs7

Memory Management

Hello, I have a general question about memory management. I know that one can create custom constructors and destructors for one's custom classes. I also kno...

[7 replies] Last: So am I to understand that once I delete this pointer the object which... (by vckngs7)

by ing

stuck with vector processing

Hi, I think I might had put too difficult question in beginners section, please have a look. Hope anybody can help me with that on, I'm stuck on it for over ...

[no replies]

by revisore61790

Polymorphism issues with arm-none-eabi-g++/gcc

The following code runs great when compiled with Code Composer Studio(on a TI ARM chip) and avr-g++(on an Arduino chip), in that it writes the desired string ...

[no replies]

by SameerThigale

How come size of this class is 24b

#include <iostream> using namespace std; class base{ public: int i; }; class derived1 : virtual public base{ public: int j; }; class derive...

[5 replies] Last: Ah, that's not the best book in the world. In fact, it's a terrible bo... (by closed account zb0S216C)

by majidkamali1370

calculate input text

Hi. How can I calculate some input text like below? "23*4-54/3" What sould I use? Recursion or Stack? What is ending condition? Thanks

[4 replies] Last: Yes I can do that. I can parse input and put its tokens in an array of... (by majidkamali1370)

by octagon

Static and inheriting static variables. How does it work?

So I want each class to hold an image unique to that class. The system I have where class instances each load the image separately is inefficient. There's no re...

[4 replies] Last: > You still have the advantage of the static variable in that you are ... (by JLBorges)

by vrakas

Long long in array

I just have this question: I friend old me once that i would have problems later if i stored long long integers in an array. This is false right?

[2 replies] Last: long long is a C/C++ fundamental type. So I did not see any problem ex... (by vlad from moscow)

by uhhhjonas

triangle classification help plz

Hi everybody, I'm just looking for some help as I have seem to of hit a brick wall :(. Here are my instructions for my program. "You are to write a C++ program ...

[2 replies] Last: I don't know how to add into the script that I have written now to ad... (by Chervil)

by beymey

LUA script to C++ code

Hi how can i convert this into c++ code function Click(sender) start=readInteger("fixedmain.exe+C7CF90")+0x40814 for i=0,0x3ffff,4 do writeBytes(s...

[no replies]

by bikram07

Doubly linked list using dummy node.

HI all, I am creating a doubly circular linked list using dummy node. I have a variable "anchor" of type class, which I have to use in dummy node. Following...

[6 replies] Last: That's just a convention, using a `circular' list will prevent invalid... (by ne555)

by suryakalam

C++ data structure for text editor

Hi, I am writing a c++ implementation for text editor for the below operatios 1) create an empty text 2) insert a line before the particular line no 3) ...

[no replies]

C++

Forum

General C++ Programming - October 2012 (Page 48)