sivakumar.v

 Profile Answers by sivakumar.v Questions by sivakumar.v

• Jul 3rd, 2008

Hi, for the above answer, i am little bit disagreeing, like VECTOR is UNIDIRECTIONAL ?? what does that mean ?? exactly, you mean to say that we cannot have multidimensional vectors ?? if that is ...

bhradwj

• Apr 4th, 2006

The main difference between vector and array isAlways vector is represented as uni-dimensional (ie., one dimensional) but whereas Array can be represented by both one-dimensional as well as two dimensional.Thanks....

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Biju Nair

• Jun 29th, 2006

A variable declared in one file can be used in another file by declaring it as extern in the second file.

mohit12379

 Profile Answers by mohit12379 Questions by mohit12379

• Apr 20th, 2006

Neither there is a concept  of auto static var and Nor a auto extern varibales because auto var are local variable whose lifetime is within a block and located on stack area . Process w...

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aparna

• Oct 11th, 2006

The code mentioned would give errors while compiling. But when i have done some minor modifications to successfully compile the code, I was surprised to c that this code works fine.Later i had to come...

jayq

• Sep 17th, 2006

The program you supplied has many type'o's so it will output only compile time errors.However if you fix the syntax, there'll be no controversy in this source : it ALWAYS outputs : its in main program...

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smart_coder

 Profile Answers by smart_coder Questions by smart_coder

• Jan 25th, 2007

Object file is the representation of code that a compiler generates by processing a source code file. Object files contain compact code, often called "binaries". A linker is used to generate an execut...

divya

• Dec 22nd, 2006

I guess it contain stsrtup code assembly instruction which used by compiler to compile the code

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Ashish

• Jan 7th, 2007

include<iostream>#include<fstream>using namespace std;int main(){             fstream *obj = new fstream();    &n...

Jayashree

• Jul 26th, 2006

#include "stdafx.h"#include "string.h"#include "process.h"int main(int argc, char* argv[]){ char cmd[125]; strcpy(cmd, "type "); strcat(cmd, __FILE__); system(cmd); return 0;}

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praveennext

 Profile Answers by praveennext Questions by praveennext

• Jan 3rd, 2007

depends on the requirement. if you got fixed no of arguments like,sum(int, int)sum(float, float) .. go for Templates.If you have variable arguments and you know the data types, then make use of va_lis...

satyam

• Dec 18th, 2006

To some extent this can be achieved by using default arguments for the func. But this also depends what all parameters you need to pass in different cases.

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yzesong

 Profile Answers by yzesong Questions by yzesong

• Jul 31st, 2009

In order to avoid operator ambiguity , :?, ::, . operators are not overloaded.?

Amritanshu Agrawal

• Sep 5th, 2006

Hi all,Firstof all only .,:: and .* operators never be overladed.Because They take name, rather than a value,as their socound operand and provide the primary means of reffering to members.Allowing them to be overloaded would lead to subtlety.

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sravan

• Nov 18th, 2006

a 3-d array is collection 2-d arrays as rows.ex: a[2][3][4] means 'a' contains two 2-d arrays of each size [3][4].first subscript 2 indicates that 'a' contains two arrays which have 3-rows and 4-coloumns.

hanuman

• Nov 13th, 2006

let us take an example     main(){int a[2][2][2];int i,j,k;for(i=0;i<2;i++)  for(j=0;j<2;j++)      for(k=0;k<2;k++)    &n...

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vikaspachauri

 Profile Answers by vikaspachauri Questions by vikaspachauri

• Jun 13th, 2007

I think to convert one class object to other can only be done either by using operator overloading of assignment operator or by creating a function which can assign the values of diffrent varaibles explicitly.

Madhurgeek

 Profile Answers by Madhurgeek Questions by Madhurgeek

• May 28th, 2007

This can be done through pointers like A *a1 and B *b1 ok. Then you have to assigh some value  to *a1 and *b1 but remember with the use valueat sign(*). Now your task is to convert the objec...

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timyan128

 Profile Answers by timyan128 Questions by timyan128

• Feb 5th, 2009

We can also use preprocessor #pregma pack(1)

dasam

 Profile Answers by dasam Questions by dasam

• Mar 29th, 2007

To avoid the problems with structure padding, you can use __attribute__((  xxxx  ))

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Why Binary Search Algorithm is a device and conquer based algorithm?

mayankjain477

 Profile Answers by mayankjain477 Questions by mayankjain477

• Sep 21st, 2010

Binary search algorithm is divide and conquer because in this algorithm, we simply reduces the size of search interval to half in each successive iteration by simply compares the mid value to the key...

ManiCPP

 Profile Answers by ManiCPP Questions by ManiCPP

• Apr 2nd, 2010

You probably meant 'Divide and Conquer'. This means you can recursively split your problem into smaller problems of the same type, until you reach a stage where you can solve your problem dire...

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What is dead code? Explain in programmatic way?

mfsi_chinmayb

 Profile Answers by mfsi_chinmayb Questions by mfsi_chinmayb

• Feb 20th, 2012

Hi Dead code (a.k.a Unreachable code),as the name suggests is the portion of the code which is never executed. Point out the word NEVER , as the code above that made the break before that and the exec...

surendrap

 Profile Answers by surendrap Questions by surendrap

• Nov 21st, 2011

Dead code is such a collection of lines of code or code which executes but it its result does not have any significance or affect on output.

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  Function overloading: C++ enables several functions of the same name to be defined, as long as these functions have different sets of parameters (at least as far as their types are concerned). This capability is called function overloading. When an overloaded function is called, the C++ compiler selects the proper function by examining the number, types and order of the arguments in the call....

MCBod

 Profile Answers by MCBod Questions by MCBod

• Mar 31st, 2010

Overloading basically refers to the provision of second of subsequent version of the same function or operator based on different parameters.In terms of functions each different version of t...

Dhiraj Girdhar

 Profile Answers by Dhiraj Girdhar Questions by Dhiraj Girdhar

• Jan 1st, 2009

Here are some examples1) Function overloadingclass FuncOver {public:      // Constructors can also be overloaded.      FuncOver();  &nb...

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Niranjan.ambati

 Profile Answers by Niranjan.ambati Questions by Niranjan.ambati

• Apr 9th, 2009

Virtual destructor makes sure that all derived objects are deleted first before deleting the base class objects. When base class pointer assigned with Derived class objects, the virtual destructor of ...

jezpops

 Profile Answers by jezpops Questions by jezpops

• Jul 7th, 2008

Virtual destructor is used when deleting an object explicitly using the delete[] keyword. The Virtual destructor ensures that derived classes take on the implicit destructor method. 

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vladatzar

 Profile Answers by vladatzar Questions by vladatzar

• Oct 29th, 2010

The mutable storage class specifier is used only on a class data member to make it modifiable even though the member is part of an object declared as const.You cannot use the mutable specifier with names declared as static or const, or reference members.

erahul.ag

 Profile Answers by erahul.ag Questions by erahul.ag

• Jul 2nd, 2010

Answer are correct but not perfect.The Crux is:Purpose of 'mutable' is not changing some member's values of a const object at all. (Its a side bug which comes free with functionality.)You may use muta...

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ganga prasad rao.aloori

• Nov 26th, 2005

Yes in c++ a class can have a default constructor.a default constructor is  a constructor which doesn't pass any arguements to it.

praveenkumar_in2003

 Profile Answers by praveenkumar_in2003 Questions by praveenkumar_in2003

• Nov 17th, 2005

Yes, we have default constructor in C++

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Raju

• Mar 27th, 2007

Look this code which tells we can Create an object for pure virtual function:Class Base{  public: virtual void fun()=0;};class deri:public base{ void fun(){  cout<<"i am here";}base::fun();main(){deri d;d.fun();}

Raju

• Mar 26th, 2007

Abstract class contain one Pure virtual function.., in order to Create an object we must override this to Derived class, otherwise derived class function become Abstract class.So Abstract Class should be override in Derived class.

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ajrobb

 Profile Answers by ajrobb Questions by ajrobb

• Sep 22nd, 2010

A memory leak in C++ is generally caused by not understanding the language.The std::auto_ptr<class> or similar should be used whenever allocating objects on the heap using new. This is essential...

SomGollakota

 Profile Answers by SomGollakota Questions by SomGollakota

• Jun 13th, 2007

Memory leak is - dynamically allocating memory and forgeting to free it. In C++, using a new operator to allocate a chunk of memory, and forgetting to delete it. There are several reasons this could o...

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anujaprasad2002

 Profile Answers by anujaprasad2002 Questions by anujaprasad2002

• Jul 18th, 2006

An object is an instance of a class.Suppose that class name is myclass class myclass{-----}When this myclass is called in mainmain(){ myclass cplus;   /cplus is an object of the class m...

Priya Pise

• May 10th, 2006

Hi Ravi Shankar !I m not agree with u completely so can u plz enlight on the Instance again ..

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paulsonpaulc

 Profile Answers by paulsonpaulc Questions by paulsonpaulc

• Feb 6th, 2007

Both the above methods doesn't meet the purpose. Try thisclass singleton{ private: /*add what ever data members necessary*/ static singleton* obj...

smart_coder

 Profile Answers by smart_coder Questions by smart_coder

• Jan 24th, 2007

class singleton{     private:      singleton()      { }     public:     sta...

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