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Groups > comp.os.linux.misc > #86004
| From | Lawrence D’Oliveiro <ldo@nz.invalid> |
|---|---|
| Newsgroups | comp.os.linux.misc |
| Subject | Re: CIDR Calculator |
| Date | 2026-04-29 01:59 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <10srolo$3j987$1@dont-email.me> (permalink) |
| References | <XnsB43B9C55314F7makowiecatnycapdotrE@157.180.91.226> <20260427133111.00001bba@gmail.com> |
On Mon, 27 Apr 2026 13:31:11 -0700, John Ames wrote:
> function powerOfTwo(i as ulong) as Boolean
> ' Returns true if i is a power of two.
power_of_two = lambda n : n & n - 1 == 0
list(enumerate(power_of_two(i) for i in range(17)))
[(0, True),
(1, True),
(2, True),
(3, False),
(4, True),
(5, False),
(6, False),
(7, False),
(8, True),
(9, False),
(10, False),
(11, False),
(12, False),
(13, False),
(14, False),
(15, False),
(16, True)]
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CIDR Calculator Joe Makowiec <makowiec@invalid.invalid> - 2026-04-27 19:22 +0000
Re: CIDR Calculator John Ames <commodorejohn@gmail.com> - 2026-04-27 13:31 -0700
Re: CIDR Calculator Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-29 01:59 +0000
Re: CIDR Calculator Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-27 22:35 +0000
Re: CIDR Calculator Marc Haber <mh+usenetspam2616@zugschl.us> - 2026-04-28 07:49 +0200
Re: CIDR Calculator Rene Kita <mail@rkta.de> - 2026-04-29 07:09 +0000
Re: CIDR Calculator Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-29 08:05 +0000
Re: CIDR Calculator Fritz Wuehler <fritz@spamexpire-202604.rodent.frell.theremailer.net> - 2026-04-29 00:08 +0200
Re: CIDR Calculator 🇵🇱Jacek Marcin Jaworski🇵🇱 <jmj@energokod.gda.pl> - 2026-04-29 07:10 +0200
Re: CIDR Calculator 🇵🇱Jacek Marcin Jaworski🇵🇱 <jmj@energokod.gda.pl> - 2026-04-29 23:52 +0200
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