It's about coding...: February 2009

Saturday, February 28, 2009

[Cpp-Programming] c programming skill test

Test your c programming skill with fun and contest. More helpful for
beginners and mid-level programmers.

link: http://www.youngprogrammer.com/problemset.php

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[Cpp-Programming] Discussion on c--data-structures

can anyone help me in Sparse matrix using array of pointers
please ....................................
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[Cpp-Programming] Re: Please Help Compiler

Visual C++ Express Edition

Friday, February 27, 2009

[Cpp-Programming] Programming problem c++(IIT Roorkee SPOTLIGHT 09)

Here is the problem statement of Spotlight CS 09 in COGNIZANCE 09,the annual tech fest of IIT Roorkee.

Problem:
Develop an auto-correction tool using static code analysis for compiler errors of C++. A program when compiled gives several programming errors. Your tool should auto-correct few of these errors (like missing semi-colon) and should prompt for corrections in some others (like misspelled variable name). Do not worry yourself over the logical errors.

Now there are some rules also...
Rules:
1. Each team can have a maximum of 3 members.
2. The top teams providing solution to each of the two problems will get a chance to display their solution in Cognizance'09.
3. You can send multiple entries as well.
4. Plagiarism shall result in the disqualification of the team.
5. The decision of judges shall be final and binding.

Any one interested in participating may send their abstract idea of approach by tommorow i.e 1 March 2009.And send your solution by 4 March 2009. However you can update your solution by 10 March 2009.

HURRY!!! PRIZES THOUSANDS TO BE WON.
Time is slipping out ,start scratching your heads now......

Note:We are'nt looking for complete answer but good answer.

Solutions are to be sent at: eccsspotlight09@gmail.com

for Further queries contact:
Varun Goel
iamvarungoel@gmail.com

Baljeet Kumar
baljeetkuma@gmail.com

[Cpp-Programming] Auto correction tool for c++(IIT Roorkee SPOTLIGHT 09)

Here is the problem statement of Spotlight CS 09 in COGNIZANCE 09,the annual tech fest of IIT Roorkee.

Problem:
Develop an auto-correction tool using static code analysis for compiler errors of C++. A program when compiled gives several programming errors. Your tool should auto-correct few of these errors (like missing semi-colon) and should prompt for corrections in some others (like misspelled variable name). Do not worry yourself over the logical errors.

Now there are some rules also...
Rules:
1. Each team can have a maximum of 3 members.
2. The top teams providing solution to each of the two problems will get a chance to display their solution in Cognizance'09.
3. You can send multiple entries as well.
4. Plagiarism shall result in the disqualification of the team.
5. The decision of judges shall be final and binding.

Any one interested in participating may send their abstract idea of approach by tommorow i.e 28 February 2009.And send your Final solution by 10 March 2009

Solutions are to be sent at: eccsspotlight09@gmail.com

for Further queries contact:
Varun Goel
iamvarungoel@gmail.com

Baljeet Kumar
baljeetkuma@gmail.com

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Monday, February 23, 2009

[Cpp-Programming] Re: Please Help Compiler

Have you Tried Code::blocks
its a good one and even better than dev c++

On Sun, Feb 22, 2009 at 8:14 AM, reepakmajhi.com@gmail.com <reepakmajhi.com@gmail.com> wrote:

Can anyone tell Me a free good C++ compiler other than DEV C++ to
download

[Cpp-Programming] New C++ Specification

Anyone looked over the new C++ specs yet? If so, I'd be interested to
read your thoughts on what might strengthen the language. Thanks.
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[Cpp-Programming] Re: Please Help Compiler

If you're talking about an actual compiler, check out MinGW (g++). If
you're talking about an IDE, try CodeLite (my current favorite).
Also, you can use something like Notepad++ with MinGW. Hope this
helps.

Regards,
R. Lunger
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[Cpp-Programming] Re: Please Help Compiler

I use Code::Blocks http://www.codeblocks.org/

On Feb 22, 3:44 am, "reepakmajhi....@gmail.com"
<reepakmajhi....@gmail.com> wrote:
> Can anyone tell Me a free good C++ compiler other than DEV C++ to
> download
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Sunday, February 22, 2009

[Cpp-Programming] Re: Please Help Compiler

You can also use code lite environment, with a good gnu cpp compiler.

On Sun, Feb 22, 2009 at 4:44 AM, reepakmajhi.com@gmail.com <reepakmajhi.com@gmail.com> wrote:

Can anyone tell Me a free good C++ compiler other than DEV C++ to
download

--
Cosmin I. Tanasie

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Saturday, February 21, 2009

[Cpp-Programming] Re: Please Help Compiler

On Feb 21, 8:44 pm, "reepakmajhi....@gmail.com"
<reepakmajhi....@gmail.com> wrote:
> Can anyone tell Me a free good C++ compiler other than DEV C++ to
> download Has Intellesense
I use Visual C++ Express I have pro too but almost same thing
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[Cpp-Programming] Re: Please Help Compiler

Eclipse with CDT or Visual C++ Express Edition

On Sun, Feb 22, 2009 at 9:44 AM, reepakmajhi.com@gmail.com <reepakmajhi.com@gmail.com> wrote:

Can anyone tell Me a free good C++ compiler other than DEV C++ to
download --~--~---------~--~----~------------~-------~--~----~
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[Cpp-Programming] Please Help Compiler

Can anyone tell Me a free good C++ compiler other than DEV C++ to
download
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Thursday, February 19, 2009

[Cpp-Programming] Re: Is there such thing called private static member data in C++?

yaa..that's true...thanks

On Thu, Feb 19, 2009 at 10:41 AM, BlueRaja <blueraja.admin@gmail.com> wrote:

On Wed, Feb 18, 2009 at 10:57 PM, Ramaraju naga <v.nagaramaraju@gmail.com> wrote:

there is no scope for static type varibale..it's always public only....

Thanks & Regards
Ramaraju

That's not true - static variables can certainly be private. Try this simple example:

#include <iostream>
using namespace std;

class A
{
private:
   static int staticVar;
public:
   A() { staticVar++; }
   void printStaticVar() { cout << staticVar << endl; }
};

int A::staticVar = 0;

int main(int argc, char** argv)
{
   A a1;
   a1.printStaticVar();
   A a2, a3;
   a2.printStaticVar();
   //A::staticVar = 10; //Error, A::staticVar is private
   a3.printStaticVar();
   return 0;

}

Wednesday, February 18, 2009

[Cpp-Programming] Re: Is there such thing called private static member data in C++?

On Wed, Feb 18, 2009 at 10:57 PM, Ramaraju naga <v.nagaramaraju@gmail.com> wrote:

there is no scope for static type varibale..it's always public only....

Thanks & Regards
Ramaraju

That's not true - static variables can certainly be private. Try this simple example:

#include <iostream>
using namespace std;

class A
{
private:
   static int staticVar;
public:
   A() { staticVar++; }
   void printStaticVar() { cout << staticVar << endl; }
};

int A::staticVar = 0;

int main(int argc, char** argv)
{
   A a1;
   a1.printStaticVar();
   A a2, a3;
   a2.printStaticVar();
   //A::staticVar = 10; //Error, A::staticVar is private
   a3.printStaticVar();
   return 0;
}

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[Cpp-Programming] Re: Is there such thing called private static member data in C++?

there is no scope for static type varibale..it's always public only....

Thanks & Regards
Ramaraju

On Thu, Feb 19, 2009 at 5:04 AM, SeaN <guo.xiaoyong@gmail.com> wrote:

Is there such thing called private static member data in C++?

[Cpp-Programming] Is there such thing called private static member data in C++?

Is there such thing called private static member data in C++?
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Monday, February 16, 2009

[Cpp-Programming] Re: Template problem, data member undefined!!!

I just tried borland c++ compiler, it works for both cases.

On Feb 16, 1:21 am, SeaN <guo.xiaoy...@gmail.com> wrote:
> Please take a look at the following code,
> my question is: why I have to use
> Base<_Tp>::datamember to refer the datamember
> in the base class in the derived class?
> When I use datamember in the derived class,
> the compilation would fail.
>
> I use gcc 3.4.4 (cygwin)
>
> #include <iostream>
>
> template <typename _Tp>
> class Base
> {
> protected:
> _Tp numArray[3];
> Base()
> {
> numArray[0] = static_cast<_Tp>(1);
> numArray[1] = static_cast<_Tp>(11);
> numArray[2] = static_cast<_Tp>(111);
> };
>
> };
>
> template <typename _Tp>
> class Deriv: public Base<_Tp> {
> public:
> Deriv() {
>
> /* Why the following commented code can not be successfully compiled?
> * I got the numArray undefined error !!
> *
> std::cout << numArray[0] << std::endl;
> std::cout << numArray[1] << std::endl;
> std::cout << numArray[2] << std::endl;
> */
>
> /* correct code */
> std::cout << Base<_Tp>::numArray[0] << std::endl;
> std::cout << Base<_Tp>::numArray[1] << std::endl;
> std::cout << Base<_Tp>::numArray[2] << std::endl;
> };
>
> };
>
> int main(void)
> {
> Deriv<int> de;
>
> return 0;
>
> }
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[Cpp-Programming] Re: Template problem, data member undefined!!!

I have just found that using this->numArray would work

But why?

On Feb 16, 1:35 am, Ramaraju naga <v.nagaramar...@gmail.com> wrote:
> It is working either case...friend
>
> what was the problem...
>
> Thanks & Regards
> Ramaraju
>
> On Mon, Feb 16, 2009 at 11:51 AM, SeaN <guo.xiaoy...@gmail.com> wrote:
>
> > Please take a look at the following code,
> > my question is: why I have to use
> > Base<_Tp>::datamember to refer the datamember
> > in the base class in the derived class?
> > When I use datamember in the derived class,
> > the compilation would fail.
>
> > I use gcc 3.4.4 (cygwin)
>
> > #include <iostream>
>
> > template <typename _Tp>
> > class Base
> > {
> > protected:
> > _Tp numArray[3];
> > Base()
> > {
> > numArray[0] = static_cast<_Tp>(1);
> > numArray[1] = static_cast<_Tp>(11);
> > numArray[2] = static_cast<_Tp>(111);
> > };
> > };
>
> > template <typename _Tp>
> > class Deriv: public Base<_Tp> {
> > public:
> > Deriv() {
>
> > /* Why the following commented code can not be successfully
> > compiled?
> > * I got the numArray undefined error !!
> > *
> > std::cout << numArray[0] << std::endl;
> > std::cout << numArray[1] << std::endl;
> > std::cout << numArray[2] << std::endl;
> > */
>
> > /* correct code */
> > std::cout << Base<_Tp>::numArray[0] << std::endl;
> > std::cout << Base<_Tp>::numArray[1] << std::endl;
> > std::cout << Base<_Tp>::numArray[2] << std::endl;
> > };
> > };
>
> > int main(void)
> > {
> > Deriv<int> de;
>
> > return 0;
> > }
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[Cpp-Programming] Re: Template problem, data member undefined!!!

In the first case, the compilation would fail.

I used gcc 3.4.4 (cygwin) and gcc 4.2.4 (ubuntu)
to compile the code

Here the the error message:

error: 'numArray' was not declared in this scope

Sunday, February 15, 2009

[Cpp-Programming] Re: Template problem, data member undefined!!!

It is working either case...friend

what was the problem...

Thanks & Regards
Ramaraju

On Mon, Feb 16, 2009 at 11:51 AM, SeaN <guo.xiaoyong@gmail.com> wrote:

Please take a look at the following code,
my question is: why I have to use
Base<_Tp>::datamember to refer the datamember
in the base class in the derived class?
When I use datamember in the derived class,
the compilation would fail.

I use gcc 3.4.4 (cygwin)

#include <iostream>

template <typename _Tp>
class Base
{
protected:
_Tp numArray[3];
Base()
{
numArray[0] = static_cast<_Tp>(1);
numArray[1] = static_cast<_Tp>(11);
numArray[2] = static_cast<_Tp>(111);
};
};

template <typename _Tp>
class Deriv: public Base<_Tp> {
public:
Deriv() {

/* Why the following commented code can not be successfully compiled?
* I got the numArray undefined error !!
*
std::cout << numArray[0] << std::endl;
std::cout << numArray[1] << std::endl;
std::cout << numArray[2] << std::endl;
*/

/* correct code */
std::cout << Base<_Tp>::numArray[0] << std::endl;
std::cout << Base<_Tp>::numArray[1] << std::endl;
std::cout << Base<_Tp>::numArray[2] << std::endl;
};
};

int main(void)
{
Deriv<int> de;

return 0;
}

[Cpp-Programming] Template problem, data member undefined!!!

Please take a look at the following code,
my question is: why I have to use
Base<_Tp>::datamember to refer the datamember
in the base class in the derived class?
When I use datamember in the derived class,
the compilation would fail.

I use gcc 3.4.4 (cygwin)

#include <iostream>

template <typename _Tp>
class Base
{
protected:
_Tp numArray[3];
Base()
{
numArray[0] = static_cast<_Tp>(1);
numArray[1] = static_cast<_Tp>(11);
numArray[2] = static_cast<_Tp>(111);
};
};

template <typename _Tp>
class Deriv: public Base<_Tp> {
public:
Deriv() {

/* Why the following commented code can not be successfully compiled?
* I got the numArray undefined error !!
*
std::cout << numArray[0] << std::endl;
std::cout << numArray[1] << std::endl;
std::cout << numArray[2] << std::endl;
*/

/* correct code */
std::cout << Base<_Tp>::numArray[0] << std::endl;
std::cout << Base<_Tp>::numArray[1] << std::endl;
std::cout << Base<_Tp>::numArray[2] << std::endl;
};
};

int main(void)
{
Deriv<int> de;

return 0;
}

Thursday, February 12, 2009

[Cpp-Programming] 13 Money and time saving Firefox Add-ons..!

http://www.fachak.com/best-firefox-extensions-13-money-and-time-saving-firefox-add-ons

These Firefox Extensions are Capable of saving money by replacing a fully functional application and time by simplifying complicated tasks...

Anderoid

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[Cpp-Programming] Re: The fight is on Linux Vs Windows 7

Please keep your messages related to C++ in this group, kthx.

On Thu, Feb 12, 2009 at 5:03 AM, kdsj jkghsdjk <anderoid121@gmail.com> wrote:

http://www.fachak.com/can-linux-beat-microsoft-windows-7

For all you Linux lovers... do u feel the heat..!!

Android

[Cpp-Programming] The fight is on Linux Vs Windows 7

http://www.fachak.com/can-linux-beat-microsoft-windows-7

For all you Linux lovers... do u feel the heat..!!

Android

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Tuesday, February 03, 2009

How many do you earn in a month?

Magic medications for you!

It's about coding...

Saturday, February 28, 2009

[Cpp-Programming] c programming skill test

[Cpp-Programming] Discussion on c--data-structures

[Cpp-Programming] Re: Please Help Compiler

Friday, February 27, 2009

[Cpp-Programming] Programming problem c++(IIT Roorkee SPOTLIGHT 09)

[Cpp-Programming] Auto correction tool for c++(IIT Roorkee SPOTLIGHT 09)

Monday, February 23, 2009

[Cpp-Programming] Re: Please Help Compiler

[Cpp-Programming] New C++ Specification

[Cpp-Programming] Re: Please Help Compiler

[Cpp-Programming] Re: Please Help Compiler

Sunday, February 22, 2009

[Cpp-Programming] Re: Please Help Compiler

Saturday, February 21, 2009

[Cpp-Programming] Re: Please Help Compiler

[Cpp-Programming] Re: Please Help Compiler

[Cpp-Programming] Please Help Compiler

Thursday, February 19, 2009

[Cpp-Programming] Re: Is there such thing called private static member data in C++?

Wednesday, February 18, 2009

[Cpp-Programming] Re: Is there such thing called private static member data in C++?

[Cpp-Programming] Re: Is there such thing called private static member data in C++?

[Cpp-Programming] Is there such thing called private static member data in C++?

Monday, February 16, 2009

[Cpp-Programming] Re: Template problem, data member undefined!!!

[Cpp-Programming] Re: Template problem, data member undefined!!!

[Cpp-Programming] Re: Template problem, data member undefined!!!

Sunday, February 15, 2009

[Cpp-Programming] Re: Template problem, data member undefined!!!

[Cpp-Programming] Template problem, data member undefined!!!

Thursday, February 12, 2009

[Cpp-Programming] 13 Money and time saving Firefox Add-ons..!

[Cpp-Programming] Re: The fight is on Linux Vs Windows 7

[Cpp-Programming] The fight is on Linux Vs Windows 7

Tuesday, February 03, 2009

How many do you earn in a month?

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