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Article #539186Re: SOLUTIONS MANUAL: Advanced Engineering Mathematics, 7th Ed by Peter V. O'Neil
From: Jorgen Grahn
Date: Fri, 13 Apr 2018 14:57
Date: Fri, 13 Apr 2018 14:57
34 lines
2784 bytes
2784 bytes
On Fri, 2018-04-13, Huge wrote: > On 2018-04-13, Ahem A Rivet's Shot <ste...@eircom.net> wrote: >> On Wed, 11 Apr 2018 15:25:58 +0100 >> Rob Morley <nos...@ntlworld.com> wrote: >> >>> On 11 Apr 2018 08:47:52 GMT >>> Jorgen Grahn <grahn...@snipabacken.se> wrote: >>> >>> > Someone (in rec.games.roguelike.nethack I think) suggested they >>> > may be steganographic messages. >>> > >>> Because changing the least-significant-bit doesn't garble ASCII at >>> all. ;-) >> >> Which is why you don't use that technique with ASCII. A really >> simple technique for ASCII involves varying spacing after full stops and >> commas. Use two spaces for a 1, one space for a 0. End the paragraph to end >> the number (9 in this case). I was more thinking about the Message-Id and other headers Google Groups presumably don't touch. > Good luck with fitting any amount of data like that into a 23 word > request for a ripped off manual. /If/ the SOLUTION MANUAL postings are a transport channel for some data, I expect it's for something like telling a botnet to start working. You don't need many bits for that. /Jorgen -- // Jorgen Grahn <grahn@ Oo o. . . \X/ snipabacken.se> O o .
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X-Received: by 10.200.66.70 with SMTP id r6mr3125398qtm.38.1523631467567; Fri, 13 Apr 2018 07:57:47 -0700 (PDT) X-BeenThere: alt.folklore.computers@googlegroups.com Received: by 10.237.60.72 with SMTP id u8ls3392812qte.1.gmail; Fri, 13 Apr 2018 07:57:46 -0700 (PDT) X-Received: by 10.200.37.164 with SMTP id e33mr3959581qte.59.1523631466661; Fri, 13 Apr 2018 07:57:46 -0700 (PDT) MIME-Version: 1.0 Path: mbox-mo1.pugleaf.net!p5ni100qtp.1!nntp.google.com!peer02.iad!feed-me.highwinds-media.com!news.highwinds-media.com!feeder.usenetexpress.com!feeder-in1.iad1.usenetexpress.com!130.133.4.4.MISMATCH!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Jorgen Grahn <grahn...@snipabacken.se> Newsgroups: alt.folklore.computers Subject: Re: SOLUTIONS MANUAL: Advanced Engineering Mathematics, 7th Ed by Peter V. O'Neil Date: 13 Apr 2018 14:57:45 GMT Lines: 34 Message-ID: <slrnpd1hb9.31ka.grahn+nntp@frailea.sa.invalid> References: <e3c3ef14-e932-4ce2-a7a2-76fa14bc917d@googlegroups.com> <a2d88b6f-527a-48b2-b1c0-c1a9a6805fb9@googlegroups.com> <fimffsFr73gU1@mid.individual.net> <slrnpcrito.31ka.grahn+nntp@frailea.sa.invalid> <20180411152558.13e4241e@Mars> <20180413102418.5bf4df44de3e974e4374a39f@eircom.net> <fjbg7cFj563U1@mid.individual.net> X-Trace: individual.net ELKuIR72TEtcWc7QqkjCvggc66rVEgM+nLZKx+h7QX4SXe4tQv Cancel-Lock: sha1:+ymJG2BVXBts3SRDXerqpc9CDis= User-Agent: slrn/1.0.2 (OpenBSD) X-Received-Bytes: 2164 X-Received-Body-CRC: 2047094998 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit