Re: Why computer languages need to have specific parsing rules and exact semantics.

2013-08-12 Thread Peter Eggebeen
Just saw this in a skymall catalog :) Commas save lives Can we eat gramma? Can we eat, gramma? Pete Eggebeen Senior Systems Engineer Mainframe Storage Management Kohl's Corporation (920) 207-0108 (Cell) On Fri, Aug 9, 2013 at 4:11 PM, Bernd Oppolzer bernd.oppol...@t-online.dewrote: I

Re: Why computer languages need to have specific parsing rules and exact semantics.

2013-08-12 Thread Elardus Engelbrecht
Peter Eggebeen wrote: Commas save lives Of course. If you forget a comma in something like ATCCONxx, your life is in grave peril. Can we eat gramma? Can we eat, gramma? :-) Mommy, grandma is awful! Shutup, hurry up and eat up! :-) Groete / Greetings Elardus Engelbrecht

Re: Why computer languages need to have specific parsing rules and exact semantics.

2013-08-12 Thread Charles Mills
Of Elardus Engelbrecht Sent: Monday, August 12, 2013 9:57 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Why computer languages need to have specific parsing rules and exact semantics. Peter Eggebeen wrote: Commas save lives Of course. If you forget a comma in something like ATCCONxx, your life

Re: Why computer languages need to have specific parsing rules and exact semantics.

2013-08-12 Thread Paul Gilmartin
On Mon, 12 Aug 2013 13:30:13 -0400, Charles Mills wrote: -- http://www.fun-with-words.com/eats_shoots_leaves_review.html Somewhat related, there's a strong argument against quiet truncation of input lines or identifiers to some conventional length. Imagine: DELETE MY.DATA.SET(MEMBER)

Re: Why computer languages need to have specific parsing rules and exact semantics.

2013-08-12 Thread zMan
Wow, yeah. That would be Just Plain BAD. If you're gonna truncate, you can't do it quietly. On Mon, Aug 12, 2013 at 4:02 PM, Paul Gilmartin paulgboul...@aim.comwrote: On Mon, 12 Aug 2013 13:30:13 -0400, Charles Mills wrote: -- http://www.fun-with-words.com/eats_shoots_leaves_review.html

Why computer languages need to have specific parsing rules and exact semantics.

2013-08-09 Thread John McKown
OK, this isn't really about a computer language. It is a joke from Reader's Digest, in English. But it makes a good point as to why semantics is important. Wife: Go to the store and buy a quart of milk. If they have avocados, get six. Husband: OK Husband comes back with 6 quarts of milk Wife:

Re: Why computer languages need to have specific parsing rules and exact semantics.

2013-08-09 Thread Paul Gilmartin
On Fri, 9 Aug 2013 06:59:36 -0500, John McKown wrote: Wife: Go to the store and buy a quart of milk. If they have avocados, get six. Husband: OK Husband comes back with 6 quarts of milk Wife: What? Why did you get 6 quarts of milk? Husband: They had avocados. Obviously the husband is a systems

Re: Why computer languages need to have specific parsing rules and exact semantics.

2013-08-09 Thread Charles Mills
: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Paul Gilmartin Sent: Friday, August 09, 2013 10:12 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Why computer languages need to have specific parsing rules and exact semantics. On Fri, 9 Aug 2013 06:59:36 -0500, John

Re: Why computer languages need to have specific parsing rules and exact semantics.

2013-08-09 Thread zMan
On Fri, Aug 9, 2013 at 10:12 AM, Paul Gilmartin paulgboul...@aim.comwrote: And this may have have been reported here, or it may be urban legend: A shop set a task scheduled, at 0159 on a certain Sunday in Fall, to reset the localtime to 0059. Employees were astonished to come to work at 0730

Re: Why computer languages need to have specific parsing rules and exact semantics.

2013-08-09 Thread Robert A. Rosenberg
At 09:12 -0500 on 08/09/2013, Paul Gilmartin wrote about Re: Why computer languages need to have specific parsing ru: On Fri, 9 Aug 2013 06:59:36 -0500, John McKown wrote: Wife: Go to the store and buy a quart of milk. If they have avocados, get six. Husband: OK Husband comes back with 6

Re: Why computer languages need to have specific parsing rules and exact semantics.

2013-08-09 Thread Bernd Oppolzer
I think this is called the Halloween problem, which is in some respect similar: update emp set salary = salary * 1.05 where salary 2.0; in some of the first test releases of System R, when the index on column salary was used in this update, the salary of - say - 1 was first updated to