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General C++ Programming - October 2014 (Page 32)

Variadic template or initializer_list?

I want to initialise my class as an array and i want to do it like this: #include <initializer_list> template <class T> class test { private T* arr ; ...

[5 replies] Last: @MiiNiPaa: Thanks so much for your help. I did not know about the func... (by AbsBeginner)

by MazharMustapha

Logical operations not working

int main() { char rORc, choice; int sizerc; values(x, s); displaytable(x, s); do { prompt(rORc, sizerc); if(rORc == '_') { sortbyr...

[2 replies] Last: Okay I understand. Thanks a lot MiiNiPaa, I really appreciate the help... (by MazharMustapha)

by ISeeWaffles

IRS Tax data

An IRS agent is checking taxpayer’s returns in the $20,000.00 to $30,000.00 income bracket (gross earnings). Each record of the data file contains a tax ident...

[3 replies] Last: Actually, he gave you everything you need to read in the file data. M... (by doug4)

by MostafaE

I/O opening the file twice problem

Hello guys. I've a c++ code written as the following: ofstream myfile; myfile.open("example.xls", ios::out) myfile << "Hello"; myfile << "Line 1"; . ...

[5 replies] Last: Even if it is excel file. Actually excel file is a complex entity: com... (by MiiNiPaa)

by IamSumit

Showing all running processes like in taskmanager

Hi. I want to show all running processes of windows. my motive is whenever any running process closes/quits whether it be console or window based on windows i...

[1 reply] : http://www.cplusplus.com/forum/windows/45564/#msg247370 (by MiiNiPaa)

by Vhin

Polymorphic 'Enums'

This is a somewhat trivial temperature scale example. Something that I've seen used occasionally are enum classes. Something like: enum class temperature_sca...

[3 replies] Last: helios is using function pointers. Be careful so you don't forget to a... (by ne555)

by rdeleon6

Help displaying my array!

So I have this code and it is supposed to place the address of an array into a pointer variable in the struct. However, whenever I dynamically allocate memory f...

[2 replies] Last: @whitenite1 Thanks so much! I really appreciate the help! :D (by rdeleon6)

by NickCullen

Defining function prototypes in a header file without an implemented body

Hey all, I didn't post this in the beginners section as I think it is abit advanced for it, but here is my problem: Basically, I have made a program which i...

[9 replies] Last: @JLBorges: Great, thanks I'll give it a shot on the weekend :) @heli... (by NickCullen)

by yo2xia

Passing a matrix in a function () in C++

I`m a beginner of C++. Any help will be very appreciated! I have an issue passing a matrix to a function in C++. There is the function i want to create: #inclu...

[4 replies] Last: I see what you mean, but how could i set X or Y matrix as the paramete... (by yo2xia)

by jbing

A function to return a vector N program

My function has the following prototype: std::vector<double> calculate_mag_response(double start_freq, double end_freq, int N, std::vector<double> num, std:...

[2 replies] Last: I see you place a variable in here but put values in here that won't c... (by jbing)

by Smartboy33

Getting error in Karatsuba's multiplication program

I have made a Biginteger class that performs multiplication operation according to Karatsuba's algorithm. But it seems that the code is not working perfectly.In...

[2 replies] Last: e made a function named karatsuba(BigInteger a1, BigInteger b1)that p... (by cire)

by paloma

Can somebody review my assignment?

In this exercise, you will design a class memberType. a. Each object of memberType can hold the name of a person, member ID, number of books bought, and amount...

[no replies]

by Evidenso

Sending a dynamic allocated 2D array over a named Pipe between 2 executables

Dear all. First, Im very new to C++. Im writing a scientific software where I like to sent a 2D array (5x4) over a named pipe from a server to a client. When ...

[2 replies] Last: Many Thanks!!!!!! it works perfect That really saved my week (by Evidenso)

by OPzCatchMee9

calculating array

I'm just learning array and I wanted to input 5 numbers and find the average. Here is what I have so far: #include <iostream> double comavg(double x , int n)...

[2 replies] Last: Thanks you very much. (by OPzCatchMee9)

by xxsammyxx

My Dynamic Memory is affecting my non-dynamic values.

Okay, so i'm implementing a playerclass for a game.. in the game there are multiple player types, weapons ect.. i just wanted to turn my players weapons into a...

[1 reply] : #ifndef PLAYER_2_H #define PLAYER_2_H #include <iostream> #include <... (by xxsammyxx)

by septeck

Need help with hw. I having problem displaying telephone number.

To make telephone numbers easier to remember, some companies use letters to show their telephone number. For example, using letters, the telephone number 43...

[1 reply] : The first thing you need to do is taken in an array of chars. Some... (by TheKingOfTyrants)

by teabearshares

Not sure what I'm missing---Functions and menus

For the life of me, I can't figure out what I'm doing wrong. I've changed this program every which way, and it still refuses to work. The goal is to have a men...

[3 replies] Last: What IDE/compiler are you using? Sounds like an IDE-specific thing bec... (by TheKingOfTyrants)

by briansanity

Finding

can someone help me in creating a C++ program for converting Octal to Hexadecimal.. i looked in the web but all of them are C program..

[3 replies] Last: Thank you MiiNiPaa ^_^ really you helped me alot ^_^ (by briansanity)

by eagle3033

Problem with CREAL, FFTW

Hello Everybody, In a part of my code I'm defining limits over a variable which is in type of: fftw_complex *i_phi Then it is initialized as: ...

[1 reply] : You should ask this question in the FFTW mailing list. (by helios)

by Boomers

Errors in LinkedList assignment

kgu

[no replies]

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