C / C++ / MFC Discussion Boards

_tasleem24-Jun-05 3:25

24-Jun-05 3:25

hi i want to create chatting applicatoin for LAN for that i m using the CAsyncsocket class. i had searched the MSDN for that purpose.
i made the client and server from the help of MSDN but i works on the single computer but not on lan.
The steps specified in the MSDN for making the server is
create (portno);
listen( );
accept();
but the server is not binded with any adress. what i should do use the bind ( ) function or give these paramter on create ( ).
there is no description what is the default values are.
can anybody help me and give the names of functions for making the Lan server and client with paramete bcos no decription what are defaul
and what not.

ddd

Re: casync socket

Ravi Bhavnani24-Jun-05 4:44

Ravi Bhavnani

24-Jun-05 4:44

Perhaps this[^] article will help?

/ravi

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Re: casync socket

Alexander ^M.,24-Jun-05 10:33

Alexander ^M.,

24-Jun-05 10:33

Why don't you trace the code to find out what CAsyncSocket::Create does?
This is the easiest way of learning MFC Wink | ;)

.

Don't try it, just do it! Wink | ;-)

Unique number generation

Hmmkk24-Jun-05 3:13

Hmmkk

24-Jun-05 3:13

I need a good and smart way to pick a number and then make it "occupied". This is needed on 9 lines with 9 numbers from 1-9. I have a system allready with a class that makes a bool true when its occupied but there's some leak=/ because it's looped and must be applied on every line.
Does someone have a good general way to do this?

I'm trying to make a solver for this puzzle.
http://www.puzzle.jp/letsplay/applet/sd_sample_002-e.html[^]

Re: Unique number generation

David Crow24-Jun-05 3:51

David Crow

24-Jun-05 3:51

One way might be:

int nNumbers[9][9] = {0}; // initialize all to unoccupied
...
while (1)
{
    int nRow = rand() % 9;
    int nCol = rand() % 9;
    if (0 == nNumbers[nRow][nCol])
    {
        nNumbers[nRow][nCol] = 1; // mark as occupied
        break;
    }
}

There are several other approaches to this.

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

Re: Unique number generation

Hmmkk24-Jun-05 4:04

Hmmkk

24-Jun-05 4:04

Thanks for answering but it's not really what I'm looking for.
You see, I have a class called Number.
I create a [9][9] array of it.
It is preset with 1-9 for every line:
for (int i = 0; i < 9; i++)
{
for (int j = 0; j < 9; j++)
{
myNumbers[i][j].setNumber(j + 1);
}
}
It is suppose to return a value:
//The puzzlecell is a class too.
//The random picked number for the line is put at the current position in the PuzzleCell which stores a value and will be presented in a Label when done.
myPuzzleCell[i][j].setTheValue(myNumbers[i][tempRand1].getNumber());

All this has to have the ability to preset and reset stuffs since I have all this in a huge loop which checks if the lines are good due to the Puzzle rules, which you can find at the page I linked previously. Please check the puzzle out so you get a hint.
Notice that I cannot only set random values and wish for it to be done in a century, I also have a system where I if a Line == 45 // (1+2+3+4+5+6+7+8+9) then save that line (by setting them to permanent true).

MFC and Internet ??

Rookieee24-Jun-05 3:09

Rookieee

24-Jun-05 3:09

can any one tell me how to display a web page using MFC? just like we do in VB making use of the web controls...

regards,
Rookie

Re: MFC and Internet ??

David Crow24-Jun-05 3:25

David Crow

24-Jun-05 3:25

One way is to create an SDI application using a view derived from CHtmlView. Then you can use the Navigate() or Navigate2() methods to display the page.

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

Re: MFC and Internet ??

Ravi Bhavnani24-Jun-05 4:49

Ravi Bhavnani

24-Jun-05 4:49

Another way is to directly use a web browser control. See this[^] link.

/ravi

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Re: MFC and Internet ??

Eytukan24-Jun-05 5:29

Eytukan

24-Jun-05 5:29

Nice link Ravi.. thanks.. i cant believe how fast i'm getting help with codeproject..!

vivek

Re: MFC and Internet ??

Smith#24-Jun-05 5:38

Smith#

24-Jun-05 5:38

thanks david n ravi. the link is really resourceful.

learning,
Rookie

Re: MFC and Internet ??

Eytukan24-Jun-05 5:40

Eytukan

24-Jun-05 5:40

i just had similar doubt.. thankz rook

vivek

RSA implementation

T1TAN24-Jun-05 2:52

T1TAN

24-Jun-05 2:52

hi ppl,

I've been looking around for a while now, and I still can't find a simple, minimum & easy to use RSA implementation (and free of course). If know of such implementation, I'd appreciate some info Smile | :)

I need to be able to use the implementation in a shareware app, but only for my protection scheme, i.e. internal use. Further on, MFC or any other framework should not be used (so, plain Win32 API or STL are good Hmmm | :|

)

I know this is a bit too specific, but if anyone knows anything, it would be a great help Smile | :)

---
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Re: RSA implementation

C^hris L^osinger24-Jun-05 5:12

C^hris L^osinger

24-Jun-05 5:12

crypto++ is what i use. it's not simple, it's not small, and it's not easy to use. but it works. Smile | :)

Cleek | Image Toolkits | Thumbnail maker

Re: RSA implementation

Alexander ^M.,24-Jun-05 10:34

Alexander ^M.,

24-Jun-05 10:34

There is also a version from RSA laboratories... It is much smaller and easier to use... but I've forgotten the download link Frown | :(

Don't try it, just do it! Wink | ;-)

Re: RSA implementation

T1TAN27-Jun-05 22:03

T1TAN

27-Jun-05 22:03

I've been digging through RSA labs site for a loooong time, and all I could find is a bunch of docs Confused | :confused:

Is there another download location for RSA stuff??

thx Cool | :cool:

---
YOU KNOW WHAT YOU ARE BLONDIE!?!? YOU'RE JUST A SON OF A BA A A A AAAAAAAAAA!!!!!
http://sprdsoft.cmar-net.org
http://t1tan.cjb.net

Re: RSA implementation

T1TAN27-Jun-05 21:43

T1TAN

27-Jun-05 21:43

yeeeees

I've tried that, I couldn't get the thing working.. D'Oh! | :doh:

Anyways, since RSA is going to be a part of anti-crack-hack-slash Smile | :)

protection, I think it would be unwise to use crypto++ since it's a separate module..could be easily avoided & my proggy would eventually get hacked (like that's not gonna happen anyway Roll eyes | :rolleyes:

)

But I might take a closer look whatsoever, thanx Cool | :cool:

---
YOU KNOW WHAT YOU ARE BLONDIE!?!? YOU'RE JUST A SON OF A BA A A A AAAAAAAAAA!!!!!
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Re: RSA implementation

C^hris L^osinger28-Jun-05 1:13

C^hris L^osinger

28-Jun-05 1:13

T1TAN wrote:
I think it would be unwise to use crypto++ since it's a separate module..

just use static linking.

Cleek | Image Toolkits | Thumbnail maker

C++ - "We don't use STL here"

Kevin McFarlane24-Jun-05 2:01

Kevin McFarlane

24-Jun-05 2:01

That's what I was told by my boss in my last contract, when he was looking at some of my code that used it. His view was that he wouldn't touch it with a barge pole. Given that STL is a part of Standard C++ what do you guys think of such an attitude?

Kevin

Re: C++ - "We don't use STL here"

David Crow24-Jun-05 2:26

David Crow

24-Jun-05 2:26

Kevin McFarlane wrote:
what do you guys think of such an attitude?

Ignore it and move on.

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

Re: C++ - "We don't use STL here"

Kevin McFarlane24-Jun-05 4:25

Kevin McFarlane

24-Jun-05 4:25

Pretty much what I did. Also, I only worked on that paticular project for two or three weeks. Smile | :)

Kevin

Re: C++ - "We don't use STL here"

Nemanja Trifunovic24-Jun-05 2:27

Nemanja Trifunovic

24-Jun-05 2:27

Well, he is the boss, right? If he is ready to pay you for the extra hours you are going to spend because you can't use the Standard Library, it's all good and well. Your time is his money, right? Wink | ;)

My programming blahblahblah blog. If you ever find anything useful here, please let me know to remove it.

Re: C++ - "We don't use STL here"

CP Visitor24-Jun-05 2:33

CP Visitor

24-Jun-05 2:33

Nemanja Trifunovic wrote:
Well, he is the boss, right? If he is ready to pay you for the extra hours you are going to spend because you can't use the Standard Library, it's all good and well. Your time is his money, right?

And if they just use containers from MFC or another library instead of STL bloatware?

Re: C++ - "We don't use STL here"

Nemanja Trifunovic24-Jun-05 5:50

Nemanja Trifunovic

24-Jun-05 5:50

CP Visitor wrote:
And if they just use containers from MFC or another library

STL is more than just "containers", although I agree that using MFC containers is much better than raw arrays.

CP Visitor wrote:
STL bloatware

Poke tongue | ;-P

Just take some time and learn it - it is really useful, especially when enriched with Boost libraries. Although, I admit I hate its name conventions Smile | :)

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Re: C++ - "We don't use STL here"

ThatsAlok24-Jun-05 2:44

ThatsAlok

24-Jun-05 2:44

Kevin McFarlane wrote:
Given that STL is a part of Standard C++ what do you guys think of such an attitude?

May be, He doesn't like STL at all

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta

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