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General C++ Programming - October 2012 (Page 39)

header.h #define x 1000 header.cpp #include "header.h" void foo() { printf("%d",x); //Error } When I define x in header.cpp, I can use it ...

[1 reply] : you shouldn't be using macros. If you want to create a value that is ... (by pogrady)

by David Goldman

Decryption assignment help!

So, I have an assignment for school in which the user enters a filename and three integers from 0 to 26, using these integers one by one the program is supposed...

[1 reply] : Ok I solved the whitespace problem, but now after a space, the decrypt... (by David Goldman)

by palireza

storing filenames in an array

Hello, I want to create filenames such as Query.student.1.bin and save them in an array. I have no problem when I don't include a "." between student and numb...

[2 replies] Last: Worked! Thanks (by palireza)

by vw4x4

please explain

int num ; int *ptr; here we use num to refer individual cells or data stored in it? is ptr and num any kind of operations,coz both of them is giving the d...

[4 replies] Last: If it is just laziness, try reading these tutorial chapters. They wil... (by doug4)

by alethiat

Basic Help With Dev-C++

Hi guys, i'm new in this forum, i'm having a silly problem with save route in this environment. I want to auto save my new files in a specific route, but.... i ...

[3 replies] Last: Off-topic: Please don't use Dev-C++ from before version 5. It's appall... (by Moschops)

by CLearner88

Hash encryption and salting in c++

Hi all, can i ask how can i get started with encryption and salting using c++ i got the basic program written out, which is the written the username and passwo...

[4 replies] Last: oh okay! sure thing, thanks alot! (by CLearner88)

by peacepanda007

Can someone help me debug my program?

#include <iostream> #include <stdio.h> #include <cstring> #include <vector> #include <iterator> #include "MQmessage.h" #include "xmlrB2BMQClass.h" usin...

[4 replies] Last: I assume user_property .value=(const char*)GetMQStateCode(); is th... (by coder777)

by Yezman

Stack Frames. Factorial recursive vs iterative

Text - My question below ------------------------------------------------------- Let's consider the resource costs of the recursive version of factorial: ...

[2 replies] Last: Put it within a source code format, to make it clear, don't expect any... (by Eyad)

by amitapm

Stack Template Implementation - Need Suggestions

Hi All, I am reviving my C++ knowledge; so to start off with, I have implemented a Stack template. The code for Stack template as well as a sample class to ...

[5 replies] Last: Thanks! I would also like to have some suggestions for the next step ... (by amitapm)

by legnakcalb

Homework help c++ Structs

This is my code for homework. I am doing a lot of stuff wrong but don't know exactly what. Any suggestions? #include <iostream> using namespace std; c...

[11 replies] Last: addingNewArrival = addNewArrival(totalArrivals); What did you tell ... (by Moschops)

by aj3423

error calling non-static function

Hi, I'm reading the source of a gui library called egui, I found the Property mechanism is interesting, but the source doesn't seem to work: Property.hpp: ht...

[2 replies] Last: Oh that's it, the derivation is so complex. Thank you guestgulkan. (by aj3423)

by district

Timer (class and function)

i'm a beginner to programming and got an assignment to create a stopwatch/timer, that counts in seconds/minutes/days etc Does anybody know a way to create a ti...

[5 replies] Last: can anyone help me with this as its got to be in friday and i currentl... (by district)

by Weddingcrasher

Strange problem with static member functions and namespaces

I have got a strange problem with static member functions. Given the following code example: TransmissionType.h: #ifndef TRANSMISSIONTYPE_H_ #defi...

[3 replies] Last: Yes, exactly. Thank you very much for your efforts, guestgulkan. You m... (by Weddingcrasher)

by Raman009

Better way of reading a file.

Code1 std::string readContentsOfFile(std::string fileName) { std::ifstream file(fileName.c_str()); if (file.good()) { std::stringstream buffe...

[3 replies] Last: I think I should use the first version as mostly I am interested in re... (by Raman009)

by eighthourblink

help with determining FPS

This is part of the 3d Buzz " Intro into Game dev" series. I cant find any help on their site. Im trying to show the FPS on the console but every time, I try...

[1 reply] : When working with integers, try to avoid such things as a/(b/c). Integ... (by helios)

by BinaryGeek

How to add a running total?

I just need a running total to sum up the number of seats taken at their cost. Can anyone provide tips of some sort? I'd appreciate it. I've included my followi...

[5 replies] Last: @rollie 1. I was meaning that newbies shouldn't make a habit of usin... (by TheIdeasMan)

by smark347

Fractions

[2 replies] Last: N is undefined here. (by pogrady)

by joebloggs222

Sorting 4 sections of array

i am stuck trying to sort a deck of cards ( 52 ) where 4 hands are delt and each hand is sorted seperately and each hands cards has 13 cards. sorry this is ...

[1 reply] : Google qsort. (by pogrady)

by budgebi

Merge sort

This is the code I've done for the merge function of my merge sort algorithm. When called the function successfully merges the two arrays passed in however it d...

[3 replies] Last: Yeah, the problem is that it is supposed to sort it as well, not just ... (by budgebi)

by AdamBomb89

Virtual Print function and base class pointer array

I'm currently trying to get a series of classes to output certain information using a virtual print function that reads out an array of base class pointers. I'm...

[8 replies] Last: That did it! Program runs perfectly now. Big thanks to you guys, Peter... (by AdamBomb89)

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