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A sudoku solver on-line, totally new software

 
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Thierry Moreau



Joined: 14 Dec 2011
Posts: 4
Location: Montreal, Canada

PostPosted: Wed Dec 14, 2011 6:23 pm    Post subject: A sudoku solver on-line, totally new software Reply with quote

Hi!

I just put on-line (http://sudoku.connotech.com) a sudoku solver site.

Algorithm written from scratch, web server written from scratch (!).

Caveats:
the site may be down if bugs are revealed by increased usage;
the site uses a web session management technique that you may find somehow restrictive.

No advertisement, no trick, no cookie. My goal is to have a deployment milestone and operational experience with the underlying web server software, so thanks for using it.

For sudoku designers, the new algorithm may have some potential as a designer tool; some of its potential is offered on-line.

Enjoy, and feel free to provide feedback!

- Thierry Moreau
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Marty R.



Joined: 12 Feb 2006
Posts: 5119
Location: Rochester, NY, USA

PostPosted: Wed Dec 14, 2011 7:09 pm    Post subject: Reply with quote

Page doesn't load for me. "The connection was reset."
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Thierry Moreau



Joined: 14 Dec 2011
Posts: 4
Location: Montreal, Canada

PostPosted: Wed Dec 14, 2011 7:50 pm    Post subject: Reply with quote

Ooops, I had an external connectivity problem.

I am confident that I fixed it, but your DNS server may not see the change for the next half hour.

In the meantime, you may try http://206.248.190.249/ if you see what I mean.

Thanks,

- Thierry
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Marty R.



Joined: 12 Feb 2006
Posts: 5119
Location: Rochester, NY, USA

PostPosted: Wed Dec 14, 2011 10:38 pm    Post subject: Reply with quote

Same message on the original URL and the hyperlink.
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Thierry Moreau



Joined: 14 Dec 2011
Posts: 4
Location: Montreal, Canada

PostPosted: Thu Dec 15, 2011 2:25 am    Post subject: Reply with quote

Hi again,

The site has been reachable by google site finder robot (from a reference by my previous message), and by hackers (attempting a buffer overflow attack) doing routine port scans. Both of these attempts had the server software crash (!). During development and test, I wished I had an HTTP torture test tool to find and troubleshoot these bugs earlier.

The site is running now. For how long, I don't know.

I should arrange a script to restart the server tasks after a crash. Also, I can arrange multiple instances answering at different IP ports. The level of service might be acceptable then.

I will post again when I feel the level of service might improve.

Thanks for your patience.

- Thierry
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Thierry Moreau



Joined: 14 Dec 2011
Posts: 4
Location: Montreal, Canada

PostPosted: Thu Dec 15, 2011 2:18 pm    Post subject: Reply with quote

Hi!

I fixed a bug that was deemed to cause problems under moderate site load.

Thus, you are invited to visit
http://sudoku.connotech.com

Enjoy!

- Thierry
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