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General C++ Programming - February 2012 (Page 28)

Can we declare an array dynamically in structures ? as in if that array is a variable of that structure...

[4 replies] Last: You define a pointer in the structure, and then when you need the arra... (by Moschops)

#include <iostream> #include <fstream> #include <vector> #include <ctime> #include"dos.h" #include <stdio.h> #include <stdlib.h> #include <time.h> #i...

[no replies]

by closed account o1vk4iN6

Template sort being cast to const

I have this bit of code, which was working, I changed something in another part of code and recompiled and now all of a sudden I'm getting "you cannot assign va...

[5 replies] Last: This sounds really like a const-correctness problem. Is it possible th... (by mtrenkmann)

by ruval002

sorting linked list

so i have the following code, it inserts a number to a list and then i call my sort function which is below this function, the problem is that my sort function ...

[no replies]

by redrubia

Arithmetic

Hi guys, just wondered if like you have =+, == you can have *= and what exactly does it mean? I have a function s.t. d_hash *= (0.5*(sqrt(5)-1)); ...

[2 replies] Last: thanks - I was thinking my lecturer really should just use a constant,... (by redrubia)

by khirodkantnaik

SIGSEGV Error Cause??????

Help me figure out why I am getting a SIGSEGV error while submitting at SPOJ. Also is there a utility by which we can check the cause of such signals in our pr...

[6 replies] Last: My program runs absolutely fine for the test case. To fix the bug, i... (by Moschops)

by lucasnutz

Structures problem

Hi everyone, I am learning C++ and I must write a program that prints the contents of a struct called Article. So far so good. Any article has the following cha...

[6 replies] Last: Hi first change your struct, add a constructor for example; struct a... (by therockon7throw)

by Janeson89

About passing a fstream type parameter into a function

Guys, I know some basic knowledge about passing parameter into subfunctions, but as I really don't know how fstream type actually work, I can't be 100% sure abo...

[3 replies] Last: Correct. (by Duthomhas)

by LoLFactor

Virtual member function overriding

Is there any way to do something like this? class Base { public virtual void Get() = 0; virtual ~Base(); }; class Derived1 : Base { priva...

[6 replies] Last: another solution in C may be like following class Base { public... (by therockon7throw)

by anshumanchaube

Backspace and arrow keys in C++ graphics

Hi. I was trying to make a text editor using C++ graphics. I am using TC++. For backspace, I move the cursor by 8 pixels(default character size) and print a re...

[no replies]

by liquidfuzz

looking for list class

I'm tinkering with a list<string>. Are there any 'native' list classes/functions that handle: Inserting new node at the end. Deleting a known node. starts it...

[4 replies] Last: Oh I just thought it was kind of silly to even hope for a native metho... (by liquidfuzz)

by DeadEli

C++ for Android?

I heard that Android now supports applications written in c++. I also heard that they don't want you to write full programs in c++, but I don't know why. Is thi...

[1 reply] : http://developer.android.com/sdk/index.html Mostly Java, but you can ... (by webJose)

by mahinkhan22

sqlite3 and C++

heres the part of code i am writing for using sqlite3 and its an error i can't comprehend invalid operands of types 'const char ' and '<unresolved overl...

[5 replies] Last: cout << azColName << " = " << (argv ? argv : "NULL") <<endl; ... (by ne555)

by firefly431

SDL_image SDL_FreeSurface segfault

I'm not sure which forum this goes in, so I just put this in here. I am making a map renderer for my small (at the moment) game. I loaded an image using SDL_ima...

[16 replies] Last: yes I THINK I compiled SDL_Image incorrectly (by firefly431)

by physj314

Project Euler 14 Issue

I can't seem to find the issue. I'm not sure if it is a small bug fix or a major problem. It outputs 910107, which according to projecteuler.net is not correct....

[5 replies] Last: Oh yes i completely understand. Thanks alot for the help though. (by physj314)

by sollymoela

calculating employees salary

Guys here is question. write a program that will calculate salary for empleyes. use two overloaded functions named calcSalary. first function calculate sala...

[2 replies] Last: more elaboration will be much better to understand ur ponts. (by sollymoela)

by ayanda83

MY PROGRAM IS NOT OUTPUTTING ANYTHING ON THE OUTPUT FILE

****************************************************************************************************************************************************************...

[7 replies] Last: You have assigned a ' ' (space) to a variable called 'space'. And what... (by greenscar)

by MacGregor

Search specific pair/triple word in a paragraphs

Hi you all, i have a function that searches paragraphs in a file and compares whether within that particular paragraph, there is word or pair/triple-word. Up to...

[8 replies] Last: Thanks JLBorges!!!... A really good and fast solution.... Cheers!!!!!... (by MacGregor)

by salmanmanekia

Polymorphism and List problem

Hi All, I have a particular scenario below. The code below should print 'say()' function of B and C class and print 'B says..' and 'C says...' but it doesnt .A...

[3 replies] Last: In order to experience polymorphic behaviour you need to call your mem... (by Galik)

by MCreel

If Else statements that affect equations

Hello, I'm new and have what is probably a fairly basic question/problem. I haven't been able to find any threads that answer my specific question - but maybe I...

[3 replies] Last: Try changing the condition of your if statements to this if (answerS... (by greenscar)

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