General C++ Programming - C++ Forum - December 2013 (Page 15)

Hi, I'm trying to calculate the size of values I've dynamically allocated memory to, i.e. col_ind = new long ; row_ptr = new long[inrows+1]; val = new...

[6 replies] Last: Ah, it's part of a (very long) assignment to return the size. I'll jus... (by ocprodigy)

by morando

Row and column index

If i have current index and row/columns count how do i get on which row and on which column index is individually? This is what i have tried, but column inde...

[4 replies] Last: Thanks. (by morando)

by nvrmnd

get/set, struct, encapsulation ...

recently i've read an article that claims that every member w/ get/set method is a quasi-class( badly designed ) My question is if get/set methods are bad,...

[12 replies] Last: I think the object is more qualified to validate the data. By instance... (by ne555)

by Chin Pei Ying

pointer

#include <iostream> #include<conio.h> using namespace std; void main() { double *p,*q,*m,x1,x2; void sumpo(double*, double*, double*); p=&x1; q=&...

[5 replies] Last: read my post again. and read mats post again. (by mutexe)

by vFreeman

Can somebody explain malloc's behaviour?

Hello here int result = 0 ; int *ptr = (int *)malloc(sizeof(int) * 2); while (*ptr) { *ptr++; result++; } Above , result = 6 int ...

[7 replies] Last: I think i should give up coding too :/ (by mutexe)

by mekkatorqu

Streaming App

how should I make a streaming App in c++? I was thinking about taking a snapshot of screen and then streaming it, but I guess that's not how streaming works, ri...

[no replies]

by amushead

Need urgent help for Programming with PThread

Hi guys, i'm trying to parallel this program using Pthread butall seems to going wrong someone can help with how can I parallelize the function named "selection...

[1 reply] : You need to use the code format tags (from the palette on the right) t... (by kbw)

by halimdeki

PASSENGER PROGRAM

CREATE A PROGRAM FOR PASSENGER FARE. THE SYSTEM MUST ASK THE USER TO ENTER AGE OF PASSENGER. IF AGE IS BELOW 12YEARS OLD, THERE IS A 10% DISCOUNT, ELSE 5% DISCO...

[9 replies] Last: thanks.. mutexe.. :) (by halimdeki)

by rmxhaha

How do I share information in multifile project

this last few days I've been coding this one particular file Hero.cpp namespace Hero { namespace { // all data here } } then the cod...

[12 replies] Last: are you trying to say I should do it like this ? I wouldn't recommend... (by coder777)

by poeteskimo

Simple question.

Can anyone explain to me why I can't do this... GameObject* m_enemy; m_enemy = new Enemy();

[4 replies] Last: There's not enough information in the code provided here. Ideally, we'... (by MrHutch)

by chelseaR

Binary Search Vectors

Hi! So what I'm trying to do is write a program that fits to a separate test program. The test program provides different size vectors that my function should t...

[2 replies] Last: OR if ( data.empty() ) { return -1; } (by abhishekm71)

by marina

help me convert java to c++ please

Programming help to find path B to A , B to C and B to D. inputfile : http://image.ohozaa.com/view2/xhfjIjnbQ4HVdSjM outputfile : http://image.ohozaa.com/...

[2 replies] Last: I don't know . I try to write about this, but it also failed. #inc... (by marina)

by zenstr0

Having a windows error at the end of program

My error: Myprograms.exe has stopped working a problem caused the program to stop working correclty. windows will close the program and notify you if a solut...

[3 replies] Last: http://www.cplusplus.com/forum/general/112111/ // displayOutput() for... (by ne555)

by Viraldude

Issue with division.

I am trying to create a program that calculates fraction of time remaining when a student leaves during the middle of the semester. I have to use function files...

[4 replies] Last: Thank you. That worked! (by Viraldude)

by dominover

Stream.read operation in Tandem?

If I am using the ifstream.read method in c++ in an outer loop when reading the contents of a file and I then have an inner loop to ascertain a combination of v...

[2 replies] Last: Yes there are faults in my code. I've simply tried to give an ide of ... (by dominover)

by hippomandapanda

Setter function not holding value

I have a character with x and y coordinates. When I set the coordinates in DungeonLevel, the values are gone by the time I try to get them in the main function....

[2 replies] Last: Oh thank you! I figured it was something along the lines of that!! (by hippomandapanda)

by rubait

Want to Design a programe

hello all! I want my c++ code run like a software! (As a calculator etc in windows) Which new things i have to learn?? any help would be appreciated ...

[2 replies] Last: QT Creator makes GUI applications incredibly easy to make. You might ... (by htirwin)

by sebbe605

Comparing parts of a string with another string!

Hi, im wondering if there is a way to compare two strings that aren't identical with each other. instance: str1="ABC123"; str2="A****3"; if(str1==str2) { co...

[5 replies] Last: It's a match with your problem? (by condor)

by rsmith

unordered_map troubles.

I have a class called 'Graph' which has two unordered maps as private members. I add pairs to these maps and it seems to work fine. But when I try to use the ma...

[5 replies] Last: Thank you norm b and Catfish666. I just figured that out as I was work... (by rsmith)

by ResidentBiscuit

"Big Bang" programming

So, I've been out of the C++ game for awhile, and I'm getting back into the groove. Decided to create Pong, by using the same sort of framework that's in place ...

[3 replies] Last: Ah that did! Resolved most of those errors. Thank you sir. (by ResidentBiscuit)

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General C++ Programming - December 2013 (Page 15)