Path: csiph.com!x330-a1.tempe.blueboxinc.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!aioe.org!.POSTED!not-for-mail From: Roedy Green Newsgroups: comp.lang.java.programmer Subject: Re: prefix notation question Date: Tue, 18 Oct 2011 19:40:48 -0700 Organization: Canadian Mind Products Lines: 20 Message-ID: References: <0142e456-9e9a-4f71-adaa-5ea9cad35427@u9g2000vby.googlegroups.com> <7889cbdf-4b32-413f-bae0-daea3814e85a@f13g2000vbv.googlegroups.com> <0135959f-5846-4869-9c5a-dd08998015e9@u13g2000vbx.googlegroups.com> <67b5c18e-b6f5-4004-87c3-b745cb2b1bf6@27g2000prq.googlegroups.com> Reply-To: Roedy Green NNTP-Posting-Host: Z2l1DcCELS0rATq8NqV4Sw.user.speranza.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org X-Notice: Filtered by postfilter v. 0.8.2 X-Newsreader: Forte Agent 6.00/32.1186 Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.programmer:8970 On Tue, 18 Oct 2011 15:30:28 -0700 (PDT), Chad wrote, quoted or indirectly quoted someone who said : >And just for the record, the expression I had asked about was an >example derivation that our program was supposed to do. So in other >words, I just wanted to know how he arrived at the expression so that >I can write the corresponding code. One way to tackle such a problem is to enumerate several plausible interpretations for each of the strange bits of notation. Then turn the crank and find out which one in the real interpretation. -- Roedy Green Canadian Mind Products http://mindprod.com It should not be considered an error when the user starts something already started or stops something already stopped. This applies to browsers, services, editors... It is inexcusable to punish the user by requiring some elaborate sequence to atone, e.g. open the task editor, find and kill some processes.