From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,6aa6d133611419f5 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2002-08-24 19:23:45 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!logbridge.uoregon.edu!xmission!news-out.spamkiller.net!propagator-maxim!news-in.spamkiller.net!feed.newsfeeds.com!newsfeed.onecall.net!chcgil2-snf1.gtei.net!news.gtei.net!news.binc.net!kilgallen From: Kilgallen@SpamCop.net (Larry Kilgallen) Newsgroups: comp.lang.ada Subject: Re: Thought this was interesting Date: 24 Aug 2002 21:23:41 -0600 Organization: LJK Software Message-ID: References: <3D6688E1.3A1797CC@san.rr.com> <5ee5b646.0208241501.71259703@posting.google.com> NNTP-Posting-Host: eisner.encompasserve.org X-Trace: grandcanyon.binc.net 1030241202 3593 192.135.80.34 (25 Aug 2002 02:06:42 GMT) X-Complaints-To: abuse@binc.net NNTP-Posting-Date: Sun, 25 Aug 2002 02:06:42 +0000 (UTC) Xref: archiver1.google.com comp.lang.ada:28383 Date: 2002-08-24T21:23:41-06:00 List-Id: In article <5ee5b646.0208241501.71259703@posting.google.com>, dewar@gnat.com (Robert Dewar) writes: > Darren New wrote in message news:<3D6688E1.3A1797CC@san.rr.com>... >> How to really get zero-defect code: >> http://www.fastcompany.com/online/06/writestuff.html > > Well this article is a bit full of hype for my taste. > > If anyone is interested in understanding how software that must be defect > free (e.g. safety-critical software) is written. I recommend reading the > HRG report. > > By the way the shuttle software is not the greatest example here. The launch > of the very first shuttle was delayed because of a software bug :-) I think proof of the difficulty of eliminating defects is useful :-)