abc(const char*p)
this means the string is const but pointer is not..
try this :-
//suppose intially it was p=hello
p=world; // this will work.
*p='e'; // compile time error
On Fri, Jan 27, 2012 at 6:08 PM, rahul sharma rahul23111...@gmail.comwrote:
is this a type of fxn overloadingit
int abc(char *);
int abc(const char*);
r theses same or different???...i m using dev comiler and it works..but
isnt char is by default constant ???
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they are same untill u are reading from the memory . As soon as you try to
modify or change .. it causes error.
On Fri, Jan 27, 2012 at 2:32 PM, rahul sharma rahul23111...@gmail.comwrote:
int abc(char *);
int abc(const char*);
r theses same or different???...i m using dev comiler and it
is this a type of fxn overloadingit should be allowed or not
?
On Fri, Jan 27, 2012 at 4:37 PM, sukhmeet singh sukhmeet2...@gmail.comwrote:
they are same untill u are reading from the memory . As soon as you try to
modify or change .. it causes error.
On Fri, Jan 27, 2012 at 2:32 PM,
Whenver you call copy constructor it has to pass reference parameter beacuse
you dont want constructor and destructor to be called twice.
Here is the reason why,
Suppose u have two objects of a class (let 'a' and 'b').
when u want to copy 'a' into 'b' you want current status of object 'a' to be
Why do we pass a reference for copy constructors?
If it does shallow copy for pass by value (user defined object), how
will it do the deep copy?
Ans:- if we don't pass the reference, every time a new object copy
like
A a=b;
constructor will be called twice ,,
correct me if i'm wrong...
help
Yes u r saying correct .
On 19-Sep-2011 6:39 PM, teja bala pawanjalsa.t...@gmail.com wrote:
Why do we pass a reference for copy constructors?
If it does shallow copy for pass by value (user defined object), how
will it do the deep copy?
Ans:- if we don't pass the reference, every time a
@praveen
how about shallow copy and deep copy of copy constructor?
On Mon, Sep 19, 2011 at 6:53 PM, praveen raj praveen0...@gmail.com wrote:
Yes u r saying correct .
On 19-Sep-2011 6:39 PM, teja bala pawanjalsa.t...@gmail.com wrote:
Why do we pass a reference for copy constructors?
Does anyone can xplain Function object or functor in C++ with
example???
thx in advance.
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@teja:
if we use call by value in copy constructor,,
class base
{
int a;
public:
base(int x)
{
a=x;
}
base(base c)
{
}
};
int main()
{
base b(1);
base b1=b;// this ll be seen as base c=b(see the copy constructor)..this ll
in turn call another copy constructor..
return 0;
}
now it ll create
Hi
Can anyone say me which is the best hashing tecnicque which can store
duplicates and minimize time complexity?
Pls reply
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// Could some body plzz xplain dis code..
#includestdio.h
void main()
{
long double lda=1e+37L,ldb=1e-37L;
long double a[2]={1234,5678};
long long unsigned int x=0x1234;
printf(%d %d %ld%ld %llx
%d,sizeof(lda),lda,a[0],a[1],x,sizeof(x));
}
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You create another class which has the same structure as the given class.
and then create an object of the temporary class and typecast given object
into this new class object, and then access its element.
On Fri, Sep 16, 2011 at 10:04 AM, siddharam suresh
siddharam@gmail.comwrote:
i saw
How to access class private data members with a pointer?
thx in advance?
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@teja : r u looking for something like this...
#includestdio.h
#includestdlib.h
class Hai
{
public :
int* getPointerToPrivate()
{
return i;
}
void setI(int j)
{
i=j;
}
private:
int i;
};
main()
{
Hai h;
h.setI(10);
int
@ BHARATH
exactly very thx
On Thu, Sep 15, 2011 at 5:22 PM, bharatkumar bagana
bagana.bharatku...@gmail.com wrote:
@teja : r u looking for something like this...
#includestdio.h
#includestdlib.h
class Hai
{
public :
int* getPointerToPrivate()
{
return
i saw better solution in stack over flow, but these things violates the
Memory rules of C++
Thank you,
Sid.
On Thu, Sep 15, 2011 at 6:41 PM, teja bala pawanjalsa.t...@gmail.comwrote:
@ BHARATH
exactly very thx
On Thu, Sep 15, 2011 at 5:22 PM, bharatkumar bagana
#includestdio.h
typedef struct
{
char *name;
double salary;
}job;
main()
{
static job a={tcs,15000.0};
static job a={ibm,25000.0};
static job a={google,35000.0};
int x=5;
job *arr[3]={a,b,c};
printf(%s %f\t,(3,x1)[*arr]);
}
output: google 35000.00
what
the comma operator evaluates its first operand and discards the
result, and then evaluates the second operand and returns this value.
instead of 3, whatever u write. the result will depend on the second
operand i.e x1 i.e 2 (5/2 = 2)
On 6/23/11, Anika Jain anika.jai...@gmail.com wrote:
for further details.
http://en.wikipedia.org/wiki/Comma_operator
On 6/23/11, Piyush Sinha ecstasy.piy...@gmail.com wrote:
the comma operator evaluates its first operand and discards the
result, and then evaluates the second operand and returns this value.
instead of 3, whatever u write.
ya *arr[2] is fine but in printing a struct element do we need to give all
necessary format specifiers for printing??
On Thu, Jun 23, 2011 at 7:15 PM, Piyush Sinha ecstasy.piy...@gmail.comwrote:
for further details.
http://en.wikipedia.org/wiki/Comma_operator
On 6/23/11, Piyush Sinha
I had a doubt which I wanted to ask...for me output is coming as follows
google 0.00
r u sure ur output is coming to be
google 35000.00
On 6/23/11, Anika Jain anika.jai...@gmail.com wrote:
ya *arr[2] is fine but in printing a struct element do we need to give all
necessary format
in main by mistake i wrote all 3 vars of struct as a, make them as a , b ,
c..
ya it is google 35000.00
On Thu, Jun 23, 2011 at 7:35 PM, Piyush Sinha ecstasy.piy...@gmail.comwrote:
I had a doubt which I wanted to ask...for me output is coming as follows
google 0.00
r u sure ur
i got (null) 0.0 on my gcc compiler , is there any syntax error
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even I am getting output as google 0.0
On 6/23/11, Bhavesh agrawal agr.bhav...@gmail.com wrote:
i got (null) 0.0 on my gcc compiler , is there any syntax error
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*Piyush Kapoor,*
*CSE-IT-BHU*
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bt same code on my gcc gives google 35000.00..
On Fri, Jun 24, 2011 at 1:02 AM, piyush kapoor pkjee2...@gmail.com wrote:
http://ideone.com/CJxFK give (null) 0.00
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*Piyush Kapoor,*
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m also getting= google 35000.00
On Fri, Jun 24, 2011 at 1:25 AM, Anika Jain anika.jai...@gmail.com wrote:
bt same code on my gcc gives google 35000.00..
On Fri, Jun 24, 2011 at 1:02 AM, piyush kapoor pkjee2...@gmail.comwrote:
http://ideone.com/CJxFK give (null) 0.00
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