Article View: alt.folklore.computers
Article #620766Re: Nostalgia
From: Peter Flass
Date: Wed, 28 Feb 2018 13:21
Date: Wed, 28 Feb 2018 13:21
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5522 bytes
J. Clarke <jclarke...@gmail.com> wrote: > On Tue, 27 Feb 2018 15:44:57 -0700, Peter Flass > <peter...@yahoo.com> wrote: > >> J. Clarke <jclarke...@gmail.com> wrote: >>> On 26 Feb 2018 11:32:49 GMT, Jorgen Grahn <grahn...@snipabacken.se> >>> wrote: >>> >>>> On Mon, 2018-02-26, J Clarke wrote: >>>>> On 26 Feb 2018 06:43:24 GMT, Jorgen Grahn <grahn...@snipabacken.se> >>>>> wrote: >>>>> >>>>>> On Mon, 2018-02-26, Dan Espen wrote: >>>>>>> Peter Flass <peter...@yahoo.com> writes: >>>>>>> >>>>>>>> Bob Eager <news...@eager.cx> wrote: >>>>>>>>> On Sun, 25 Feb 2018 17:29:16 +0000, Huge wrote: >>>>>>>>> >>>>>>>>>> On 2018-02-25, Andrew Swallow <am.sw...@btinternet.com> wrote: >>>>>>>>>> >>>>>>>>>> [15 lines snipped] >>>>>>>>>> >>>>>>>>>>> Reading Fortran and Assembler code tells you how, it does not tell you >>>>>>>>>>> why. Comments are needed for that. >>>>>>>>>> >>>>>>>>>> *applause* >>>>>>>>>> >>>>>>>>>> Anyone who writes code like this should be shot; >>>>>>>>>> >>>>>>>>>> x=5; # Set x to 5 >>>>>>>>> >>>>>>>>> Strangely, I was doing generic feedback for an assignment about an hour >>>>>>>>> ago. I repeated this statement, but not in Huge terms. (the external >>>>>>>>> examiner will read it) >>>>>>>> >>>>>>>> When you start writing assembler everyone says you should put a comment on >>>>>>>> every line, so you tend to do a lot of this until you get the idea. >>>>>>> >>>>>>> Putting a comment on every line makes it simpler to >>>>>>> read the whole program as comments. With highlighting >>>>>>> this is an easy way to quickly absorb a module. >>>>>>> >>>>>>> Of course the comments may not be 100% right. >>>>>>> >>>>>>> In the above case, the code still needs a comment >>>>>>> but it should be something like: >>>>>>> >>>>>>> x=5; # Max supported fingers >>>>>> >>>>>> max_supported_fingers=5; # Nothing more to say >>>>> >>>>> But a lot more to type and that style tends to be hard to >>>>> read--operators get lost in the visual noise. >>>> >>>> A lot more to type, but a lot less to remember. I agree that the >>>> visual noise aspect is a problem, though. >>>> >>>> It depends on the context. For very local variables I tend to favor >>>> one-letter names like i (for iteration), p, q (pointers), n and m >>>> (quantities and sizes). >>> >>> I used to do that but realized that it's a bad habit for a variety of >>> reasons. (Working in insurance and using APL has a lot to do with it >>> I think). First, single letter variable names are hard to search on. >> >> Cross-reference is your friend. > > Please provide a "cross reference" for APL. > >>> So are variable names that form parts of common words. Second, once >>> the habit develops, it's easy to run out of variable names and end up >>> using "l" (lower case L), which is identical to "1" (one) in many >>> fonts which can lead to very difficult to identify bugs. Third, >>> actuarial science has its share of accepted one letter values--"Q" for >>> example is mortality. >>> >>> Then there's the guy who used Z for whatever was returned by a >>> function, _any_ function.. But somehow Z managed to escape and become >>> globalized, so finding out what changed Z becomes a major undertaking. >>> >>>> I allow global names to be longer, but look >>>> for ways to abbreviate them too. >>>> >>>> /Jorgen >>> > Ut should be possible to generate one. Most other languages have it built-in. -- Pete
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X-Received: by 10.200.54.203 with SMTP id b11mr3172068qtc.4.1519824098520; Wed, 28 Feb 2018 05:21:38 -0800 (PST) X-BeenThere: alt.folklore.computers@googlegroups.com Received: by 10.55.33.138 with SMTP id f10ls2495297qki.9.gmail; Wed, 28 Feb 2018 05:21:36 -0800 (PST) X-Received: by 10.55.100.86 with SMTP id y83mr12828514qkb.20.1519824096974; Wed, 28 Feb 2018 05:21:36 -0800 (PST) Path: mbox-mo1.pugleaf.net!o9ni213qte.1!nntp.google.com!peer03.iad!feed-me.highwinds-media.com!news.highwinds-media.com!feeder-out2.eu1.usenetexpress.com!feeder.usenetexpress.com!feeder-in1.eu1.usenetexpress.com!feed.usenet.farm!feeder3.feed.usenet.farm!eternal-september.org!feeder.eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail From: Peter Flass <peter...@yahoo.com> Newsgroups: alt.folklore.computers Subject: Re: Nostalgia Date: Wed, 28 Feb 2018 06:21:36 -0700 Organization: A noiseless patient Spider Lines: 92 Message-ID: <1498781297.541516177.768850.peter_flass-yahoo.com@news.eternal-september.org> References: <ffga3cFrifbU1@mid.individual.net> <ffgu5uF5nalU15@mid.individual.net> <1313349967.541300884.430961.peter_flass-yahoo.com@news.eternal-september.org> <p6vrnc$ue5$1@dont-email.me> <slrnp97b4c.eu5.grahn+nntp@frailea.sa.invalid> <0lq79dpae03ai000r0690fja58qcud4udu@4ax.com> <slrnp97s31.eu5.grahn+nntp@frailea.sa.invalid> <3ve99dtbi7vu0jda6ut1kcbemr6j4ta28v@4ax.com> <616749937.541463692.671658.peter_flass-yahoo.com@news.eternal-september.org> <8q6c9d1hhjaqv0qqdg7sncuedmq28ctrc3@4ax.com> Mime-Version: 1.0 Injection-Info: reader02.eternal-september.org; posting-host="b7e66266b9a58e6de2c45e8b4b4f4b07"; logging-data="20612"; mail-complaints-to="ab...@eternal-september.org"; posting-account="U2FsdGVkX1/qfLvxkJIJwc1iJWalB3zn" User-Agent: NewsTap/5.3.1 (iPad) Cancel-Lock: sha1:eXR02+d+CCXaZGi3+Q4mukT31m8= sha1:aLKjrjlX/dQjRiyeSbvgZ9ExTuY= X-Received-Bytes: 5022 X-Received-Body-CRC: 876410757 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit