Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.java.programmer > #33930
| Path | csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail |
|---|---|
| From | Robert Klemme <shortcutter@googlemail.com> |
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Random permutations [was Re: Libraries for sysadmins?] |
| Date | Sat, 5 Mar 2016 12:11:33 +0100 |
| Lines | 18 |
| Message-ID | <djvt76Fs5qfU2@mid.individual.net> (permalink) |
| References | <2cec6af2-9636-4a2a-8849-b01286c0814c@googlegroups.com> <sysadmins-20160304161143@ram.dialup.fu-berlin.de> <djttl0Fct5hU1@mid.individual.net> <dju62bFf4ouU1@mid.individual.net> <concise-20160304210431@ram.dialup.fu-berlin.de> <nbd7c3$3jp$1@news.albasani.net> |
| Mime-Version | 1.0 |
| Content-Type | text/plain; charset=utf-8; format=flowed |
| Content-Transfer-Encoding | 7bit |
| X-Trace | individual.net cG856TlIysselkM/L30KrwnGJb7oCKUN688kj+8AMqhYXlULM= |
| Cancel-Lock | sha1:bL1QHTPsfT6XnSgj+3AqZsPI7E8= |
| User-Agent | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 |
| In-Reply-To | <nbd7c3$3jp$1@news.albasani.net> |
| Xref | csiph.com comp.lang.java.programmer:33930 |
Show key headers only | View raw
On 05.03.2016 00:56, Sebastian wrote: > This is good if you need about as many elements in the result as are in > the range. But if the range is large and you need only a few elements, > it may be better to generate numbers (without duplicates), like this: > > new Random().ints(1, 50).distinct().limit(6) Are you sure this has the same probability characteristics as picking six random items from a list of 49? Cheers robert -- remember.guy do |as, often| as.you_can - without end http://blog.rubybestpractices.com/
Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Libraries for sysadmins? Elena <egarrulo@gmail.com> - 2016-03-04 03:33 -0800
Re: Libraries for sysadmins? Martin Gregorie <martin@address-in-sig.invalid> - 2016-03-04 11:44 +0000
Re: Libraries for sysadmins? egarrulo <egarrulo@gmail.com> - 2016-03-04 12:56 +0100
Re: Libraries for sysadmins? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-03-04 07:43 -0500
Re: Libraries for sysadmins? Robert Klemme <shortcutter@googlemail.com> - 2016-03-04 18:06 +0100
Re: Libraries for sysadmins? egarrulo <egarrulo@gmail.com> - 2016-03-04 20:30 +0100
Random permutations [was Re: Libraries for sysadmins?] Sebastian <news@seyweiler.dyndns.org> - 2016-03-05 00:56 +0100
Re: Random permutations [was Re: Libraries for sysadmins?] Robert Klemme <shortcutter@googlemail.com> - 2016-03-05 12:11 +0100
Re: Random permutations [was Re: Libraries for sysadmins?] Sebastian <news@seyweiler.dyndns.org> - 2016-03-05 16:41 +0100
Re: Random permutations [was Re: Libraries for sysadmins?] Brixomatic <brixomatic@yahoo.com> - 2016-03-05 19:20 +0100
Re: Random permutations [was Re: Libraries for sysadmins?] Andreas Leitgeb <avl@logic.at> - 2016-03-05 18:46 +0000
Re: Random permutations [was Re: Libraries for sysadmins?] Brixomatic <brixomatic@yahoo.com> - 2016-03-15 19:22 +0100
Re: Random permutations [was Re: Libraries for sysadmins?] Andreas Leitgeb <avl@logic.at> - 2016-03-15 22:30 +0000
Re: Random permutations [was Re: Libraries for sysadmins?] Andreas Leitgeb <avl@logic.at> - 2016-03-05 18:30 +0000
Re: Random permutations [was Re: Libraries for sysadmins?] Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-03-05 13:46 -0500
Re: Random permutations [was Re: Libraries for sysadmins?] Andreas Leitgeb <avl@logic.at> - 2016-03-05 19:40 +0000
Re: Libraries for sysadmins? Robert Klemme <shortcutter@googlemail.com> - 2016-03-05 12:10 +0100
Re: Libraries for sysadmins? Arne Vajhøj <arne@vajhoej.dk> - 2016-03-04 21:42 -0500
Re: Libraries for sysadmins? Arne Vajhøj <arne@vajhoej.dk> - 2016-03-04 21:48 -0500
csiph-web