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Re: Converting a string to a number by using INT (no hash method)

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On 22 Jan 2013, at 19:28, Ferrous Cranus <nikos.gr33k@gmail.com> wrote:

> Τη Τρίτη, 22 Ιανουαρίου 2013 9:02:48 μ.μ. UTC+2, ο χρήστης Michael Torrie έγραψε:
>> On 01/22/2013 11:37 AM, Ferrous Cranus wrote:
>> 
>>> ============================================== pin = int(
>> 
>>> htmlpage.encode("hex"), 16 ) % 10000 
>> 
>>> ==============================================
>> 
>>> 
>> 
>>> Can you please explain the differences to what you have posted
>> 
>>> opposed to this perl coding?
>> 
>>> 
>> 
>>> ============================================== foreach my
>> 
>>> $ltr(@ltrs){ $hash = ( $hash + ord($ltr)) %10000; 
>> 
>>> ==============================================
>> 
>>> 
>> 
>>> I want to understand this and see it implemented in Python.
>> 
>> 
>> 
>> It isn't quite the thing.  The perl code is merely a checksum of the
>> 
>> ascii value of the characters in the file name, that is then chopped
>> 
>> down to a number < 10000.  The Python code is taking the ascii value of
>> 
>> each character in the file name, converting it to a hexadecimal pair of
>> 
>> digits, stringing them all out into a long string, then converting that
>> 
>> to a number using the hexadecimal number parser. This results in a
>> 
>> *very* large number, 8-bits per letter in the original file name, and
>> 
>> then chops that down to 10000.  Technically neither method is a hash and
>> 
>> neither will generate unique numbers.
>> 
>> 
>> 
>> Here's the python algorithm used on a short word:
>> 
>> 'hello' => '68656c6c6f' (h = 0x68', e=0x65', 0x6c', 0=0x6f)
>> 
>> => 0x68656c6c6f => 448378203247
>> 
>> mod that with 10000 and you get 3247
>> 
>> 
>> 
>> If you would simply run the python interpreter and try these things out
>> 
>> you could see how and why they work or not work.  What is stopping you
>> 
>> from doing this?
> 
> 
> May i sent you my code by mail so for you see whats wrong and http://superhost.gr produces error?<br><br>
> 
> 1. this is not a script that iam being paid for.
> 2, this is not a class assignemnt
> 
> I just want to use that method of gettign this to work.
> -- 
> http://mail.python.org/mailman/listinfo/python-list

All pages, strings and objects map to:

http://redwing.hutman.net/~mreed/warriorshtm/ferouscranus.htm

Alan

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Converting a string to a number by using INT  (no hash method) Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 08:15 -0800
  RE: Converting a string to a number by using INT  (no hash method) "Leonard, Arah" <Arah.Leonard@bruker-axs.com> - 2013-01-22 16:27 +0000
    Re: Converting a string to a number by using INT  (no hash method) Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 09:02 -0800
      RE: Converting a string to a number by using INT  (no hash method) "Leonard, Arah" <Arah.Leonard@bruker-axs.com> - 2013-01-22 17:24 +0000
        Re: Converting a string to a number by using INT  (no hash method) Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 09:39 -0800
          Re: Converting a string to a number by using INT (no hash method) John Gordon <gordon@panix.com> - 2013-01-22 18:36 +0000
          Re: Converting a string to a number by using INT  (no hash method) Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-01-22 17:22 -0500
        Re: Converting a string to a number by using INT  (no hash method) Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 09:39 -0800
        Re: Converting a string to a number by using INT  (no hash method) Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 10:37 -0800
          Re: Converting a string to a number by using INT  (no hash method) Michael Torrie <torriem@gmail.com> - 2013-01-22 12:02 -0700
            Re: Converting a string to a number by using INT  (no hash method) Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 11:28 -0800
              Re: Converting a string to a number by using INT  (no hash method) Alan Spence <alan.spence@ntlworld.com> - 2013-01-22 20:00 +0000
            Re: Converting a string to a number by using INT  (no hash method) Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 11:28 -0800
              Re: Converting a string to a number by using INT (no hash method) John Gordon <gordon@panix.com> - 2013-01-22 20:40 +0000
                Re: Converting a string to a number by using INT (no hash method) Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-23 00:44 -0800
          Re: Converting a string to a number by using INT  (no hash method) Dave Angel <d@davea.name> - 2013-01-22 14:08 -0500
          RE: Converting a string to a number by using INT  (no hash method) "Leonard, Arah" <Arah.Leonard@bruker-axs.com> - 2013-01-22 20:30 +0000
          Re: Converting a string to a number by using INT  (no hash method) Dave Angel <d@davea.name> - 2013-01-22 15:43 -0500
        Re: Converting a string to a number by using INT  (no hash method) Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 10:37 -0800
    Re: Converting a string to a number by using INT  (no hash method) Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 09:02 -0800
  Re: Converting a string to a number by using INT  (no hash method) Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-01-22 16:27 +0000
  Re: Converting a string to a number by using INT  (no hash method) Dave Angel <d@davea.name> - 2013-01-22 11:40 -0500
    Re: Converting a string to a number by using INT (no hash method) alex23 <wuwei23@gmail.com> - 2013-01-22 17:32 -0800
      Re: Converting a string to a number by using INT (no hash method) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-23 03:02 +0000
        Re: Converting a string to a number by using INT (no hash method) alex23 <wuwei23@gmail.com> - 2013-01-22 19:59 -0800
  Re: Converting a string to a number by using INT  (no hash method) "D'Arcy J.M. Cain" <darcy@druid.net> - 2013-01-22 12:04 -0500

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