glen herrmannsfeldt g...@ugcs.caltech.edu writes:
In comp.lang.fortran E.D.G. edgrs...@ix.netcom.com wrote:
E.D.G. edgrs...@ix.netcom.com wrote in message
news:ro-dnch2dptbrhnpnz2dnuvz_rsdn...@earthlink.com...
Posted by E.D.G. on November 19, 2013
1. PERL PDL CALCULATION SPEED VERSUS
Roy Smith r...@panix.com writes:
Henry Law n...@lawshouse.org wrote:
On 17/11/13 14:37, E.D.G. wrote:
All of my own important programs are written using Perl. I am starting
to run into calculation speed limitations with one of the programs.
Your Perl code is, er, sub-optimal. There is
j...@toerring.de (Jens Thoms Toerring) writes:
In comp.lang.python Steven D'Aprano steve+comp.lang.pyt...@pearwood.info
wrote:
On Sun, 05 May 2013 12:11:11 -0500, Ignoramus16992 wrote:
According to CIO.com, Python programmers make only $83,000 per year,
while Perl programmers make $93,000
Shmuel (Seymour J.) Metz spamt...@library.lspace.org.invalid writes:
In 87wr5nl54w@sapphire.mobileactivedefense.com, on 04/10/2012
at 09:10 PM, Rainer Weikusat rweiku...@mssgmbh.com said:
'car' and 'cdr' refer to cons cells in Lisp, not to strings. How the
first/rest terminology can
Shmuel (Seymour J.) Metz spamt...@library.lspace.org.invalid writes:
In 20120409111329@kylheku.com, on 04/09/2012
at 06:55 PM, Kaz Kylheku k...@kylheku.com said:
Null-terminated C strings do the same thing.
C arrays are not LISP strings; there is no C analog to car and cdr.
'car' and
Shmuel (Seymour J.) Metz spamt...@library.lspace.org.invalid writes:
[...]
For one thing, if s is a non-empty null terminated string then,
cdr(s) is also a string representing the rest of that string
without the first character,
Are you really too clueless to differentiate between C and LISP?
Rainer Weikusat rweiku...@mssgmbh.com writes:
Shmuel (Seymour J.) Metz spamt...@library.lspace.org.invalid writes:
[...]
For one thing, if s is a non-empty null terminated string then,
cdr(s) is also a string representing the rest of that string
without the first character,
Are you really
Xah Lee xah...@gmail.com writes:
[...]
For example, “Is mathematics science or art?”, is the same type of
question that has been broached by dabblers now and then.
http://en.wikipedia.org/wiki/Liberal_arts
HTH.
--
http://mail.python.org/mailman/listinfo/python-list
Xah Lee xah...@gmail.com writes:
[...]
# perl
# in-place algorithm for reversing a list.
use strict;
use Data::Dumper;
use POSIX; # for “floor”
my @listA = qw(a b c d e f g);
my $listLength = scalar @listA;
for ( my $i = 0; $i floor($listLength/2); $i++ ) {
my $x = $listA[$i];
Shmuel (Seymour J.) Metz spamt...@library.lspace.org.invalid writes:
In 87aa41k6x5@sapphire.mobileactivedefense.com, on 02/29/2012
at 03:15 PM, Rainer Weikusat rweiku...@mssgmbh.com said:
'mathematics' (an essentially outdated write-only programming
language dating back to the times
Xah Lee xah...@gmail.com writes:
[...]
similarly, in perl, either one
require POSIX; floor(x/y);
the require POSIX instead of Math is a quirk. But even, floor should
really be builtin.
or
using a perl hack
int(x/y)
all of the above are quirks. They rely on computer engineering by-
Xah Lee xah...@gmail.com writes:
A excerpt from the new book 〈Modern Perl〉, just published, chapter 4
on “Operators”. Quote:
«The associativity of an operator governs whether it evaluates from
left to right or right to left. Addition is left associative, such
that 2 + 3 + 4 evaluates 2 + 3
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