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Groups > comp.os.linux.advocacy > #383646
| From | deplorable owl <owl@rooftop.invalid> |
|---|---|
| Newsgroups | comp.os.linux.advocacy |
| Subject | Re: Where are you, sdb? I have something fun for your little morons to try |
| Date | 2016-12-11 06:49 +0000 |
| Organization | O.W.L. |
| Message-ID | <ahjgjb00ag.it@rooftop.invalid> (permalink) |
| References | (10 earlier) <o2ijfn$8sb$1@news.albasani.net> <hgjscos993.ab7@rooftop.invalid> <o2imdt$q5o$1@news.albasani.net> <ahjgepg00q.ga@rooftop.invalid> <o2iqn3$5n7$1@news.albasani.net> |
Melzzzzz <Melzzzzz@zzzzz.com> wrote: > On 11/12/16 06:55 AM, deplorable owl wrote: >> Melzzzzz <Melzzzzz@zzzzz.com> wrote: >>> On 11/12/16 05:27 AM, deplorable owl wrote: >>>> Melzzzzz <Melzzzzz@zzzzz.com> wrote: >>>>> On 11/12/16 05:00 AM, deplorable owl wrote: >>>>>> Melzzzzz <mel@zzzzz.com> wrote: >>>>>>> On Sat, 10 Dec 2016 19:56:49 +0000 (UTC) >>>>>>> deplorable owl <owl@rooftop.invalid> wrote: >>>>>>> >>>>>>>> Melzzzzz <Melzzzzz@zzzzz.com> wrote: >>>>>>>>> On 10/12/16 07:25 AM, deplorable owl wrote: >>>>>>>>>> Melzzzzz <Melzzzzz@zzzzz.com> wrote: >>>>>>>>>> >>>>>>>>>> BTW, what's the proper approach to randomizing such a huge number >>>>>>>>>> of values? (A large enough pool of seconds so that randoms would >>>>>>>>>> have a good chance of falling on 100,000 different days). >>>>>>>>>> >>>>>>>>>> >>>>>>>>> You don't have to just filter out dupes ;p >>>>>>>>> It is not needed to have 100000k uniques at all. >>>>>>>> >>>>>>>> Yeah, but filtering is just to get uniques. Say you want 100000 >>>>>>>> unique days using random second values, minimizing dups and >>>>>>>> generating exactly 100000 values, how would you approach that? >>>>>>> >>>>>>> I would generate 100000 days in order, then shuffle. >>>>>>> >>>>>> >>>>>> Yes, that's easy, but it dodges the pre-generation randomizing >>>>>> problem rather than addressing it, and also requires generation >>>>>> of a full 8.64 billion numbers then modulo 86400 to get 100000 >>>>>> unique sequential days before shuffling. >>>>> >>>>> Hm, I don't get it ;) >>>>> Just create 100k dates and then shuffle, what's the problem? >>>>> >>>> >>>> It's not really about dates. It's about the rand problem that arises >>>> if you randomize 100,000 time_t values with the goal of 100,000 unique >>>> DD-MM-YYYY values. Consider it generically. Forget that it's a date >>>> function, and assume that you have a pool of input values for which output >>>> values only change for every 86400 inputs. You want to get 100,000 random >>>> (but hopefully unique) outputs given only 100,000 randomly chosen inputs. >>>> How do you randomize your inputs where the input pool is minimum 8.64 >>>> billion to guarantee that you *might* get 100,000 unique outputs. >>>> >>>> >>> You first get starting date and ending date. Then generate all possible >>> dates in range. Then randomly pick required number of dates from that list.. >>> >> >> Again, forget that it's dates. Say you have a step function f(x) >> that only changes values for every 86400 values of x (x +/- integers). >> You don't get to select random f(x). You must select 100000 random x and >> get 100000 hopefully unique f(x). What does your rand routine look like? >> > Same answer. > Did you note this part: "You don't get to select random f(x)" ? You must pick 100000 random x, not 100000 random f(x).
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Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-07 12:27 -0500
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-07 19:52 +0000
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-07 21:28 -0500
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-08 05:52 +0000
Re: Where are you, sdb? I have something fun for your little morons to try chrisv <chrisv@nospam.invalid> - 2016-12-08 07:02 -0600
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-08 09:02 -0500
Re: Where are you, sdb? I have something fun for your little morons to try Adlbifhr Mjduhgfks <am@random.us> - 2016-12-08 00:32 +0000
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-07 21:48 -0500
Re: Where are you, sdb? I have something fun for your little morons to try Adlbifhr Mjduhgfks <am@random.us> - 2016-12-08 14:17 +0000
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-08 11:00 -0500
Re: Where are you, sdb? I have something fun for your little morons to try Steve Carroll <fretwizzer@gmail.com> - 2016-12-08 09:13 -0800
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-08 18:41 -0500
Re: Where are you, sdb? I have something fun for your little morons to try Steve Carroll <fretwizzer@gmail.com> - 2016-12-08 17:32 -0800
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-08 21:12 -0500
Cartoons are easier to read than the Wall Street Journal. Jeff-Relf.Me <@.> - 2016-12-08 20:16 -0800
Re: Where are you, sdb? I have something fun for your little morons to try Steve Carroll <fretwizzer@gmail.com> - 2016-12-09 09:03 -0800
Re: Where are you, sdb? I have something fun for your little morons to try Adlbifhr Mjduhgfks <am@random.us> - 2016-12-08 15:49 +0000
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-08 11:00 -0500
Re: Where are you, sdb? I have something fun for your little morons to try Adlbifhr Mjduhgfks <am@random.us> - 2016-12-08 16:24 +0000
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-08 18:43 -0500
Only _results_ matter; i.e.: What does it do ? Jeff-Relf.Me <@.> - 2016-12-08 19:45 -0800
Re: Only _results_ matter; i.e.: What does it do ? flatfish+++ <flatfish@linuxmail.org> - 2016-12-08 22:50 -0500
I don't need the source code. Jeff-Relf.Me <@.> - 2016-12-08 20:39 -0800
Re: I don't need the source code. flatfish+++ <flatfish@linuxmail.org> - 2016-12-08 23:48 -0500
I'm hard to copy, thank God. Jeff-Relf.Me <@.> - 2016-12-08 22:30 -0800
Re: I'm hard to copy, thank God. flatfish+++ <flatfish@linuxmail.org> - 2016-12-09 01:54 -0500
Re: I'm hard to copy, thank God. Steve Carroll <fretwizzer@gmail.com> - 2016-12-09 12:30 -0800
Re: I don't need the source code. Poutnik <poutnik4nntp@gmail.com> - 2016-12-09 07:12 +0100
Re: I don't need the source code. flatfish+++ <flatfish@linuxmail.org> - 2016-12-09 01:15 -0500
Re: I don't need the source code. Poutnik <poutnik4nntp@gmail.com> - 2016-12-09 07:27 +0100
Re: I don't need the source code. flatfish+++ <flatfish@linuxmail.org> - 2016-12-09 01:44 -0500
Usenet is not CraigsList nor WikiPedia, Reddit. Jeff-Relf.Me <@.> - 2016-12-08 23:00 -0800
Re: Usenet is not CraigsList nor WikiPedia, Reddit. flatfish+++ <flatfish@linuxmail.org> - 2016-12-09 02:12 -0500
If/When Cola is being honest, they don't think MicroSoft is "Evil". Jeff-Relf.Me <@.> - 2016-12-08 23:56 -0800
Re: Usenet is not CraigsList nor WikiPedia, Reddit. Poutnik <poutnik4nntp@gmail.com> - 2016-12-09 08:16 +0100
Usually, the __DEFAULT__ "Subject:" line isn't best. Jeff-Relf.Me <@.> - 2016-12-08 22:53 -0800
Re: Usually, the __DEFAULT__ "Subject:" line isn't best. Poutnik <poutnik4nntp@gmail.com> - 2016-12-09 08:19 +0100
Please lookup the word "Default". Jeff-Relf.Me <@.> - 2016-12-08 23:31 -0800
Re: Please lookup the word "Default". Poutnik <poutnik4nntp@gmail.com> - 2016-12-09 08:42 +0100
The parent post. -- Re: Please lookup the word "Default". Jeff-Relf.Me <@.> - 2016-12-09 00:12 -0800
Re: The parent post. -- Re: Please lookup the word "Default". Poutnik <poutnik4nntp@gmail.com> - 2016-12-09 11:28 +0100
Threads branch like a tree, SubTopics sprout. Jeff-Relf.Me <@.> - 2016-12-09 03:35 -0800
Re: Threads branch like a tree, SubTopics sprout. Poutnik <poutnik4nntp@gmail.com> - 2016-12-09 16:18 +0100
Re: The parent post. -- Re: Please lookup the word "Default". moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-12-09 15:05 +0000
I want details, Michael Moroney. Jeff-Relf.Me <@.> - 2016-12-09 07:18 -0800
Re: I want details, Michael Moroney. Steve Carroll <fretwizzer@gmail.com> - 2016-12-09 10:38 -0800
Re: I want details, Michael Moroney. moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-12-10 04:03 +0000
I never had to deal with such problems. Jeff-Relf.Me <@.> - 2016-12-09 21:15 -0800
Re: I never had to deal with such problems. moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-12-11 01:50 +0000
Re: The parent post. -- Re: Please lookup the word "Default". chrisv <chrisv@nospam.invalid> - 2016-12-09 09:37 -0600
Re: The parent post. -- Re: Please lookup the word "Default". moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-12-09 20:32 +0000
Re: I don't need the source code. chrisv <chrisv@nospam.invalid> - 2016-12-09 06:39 -0600
Re: I don't need the source code. Poutnik <poutnik4nntp@gmail.com> - 2016-12-09 16:19 +0100
Re: I don't need the source code. Silver Slimer <.m@nsn.s> - 2016-12-09 11:51 -0500
Re: I don't need the source code. flatfish+++ <flatfish@linuxmail.org> - 2016-12-09 12:07 -0500
Re: I don't need the source code. Silver Slimer <.m@nsn.s> - 2016-12-09 12:22 -0500
Re: I don't need the source code. flatfish+++ <flatfish@linuxmail.org> - 2016-12-09 12:28 -0500
Re: I don't need the source code. moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-12-09 17:52 +0000
I only have time to read a few select authors, sorry. Jeff-Relf.Me <@.> - 2016-12-09 10:05 -0800
Re: I don't need the source code. chrisv <chrisv@nospam.invalid> - 2016-12-09 12:26 -0600
Re: I don't need the source code. Silver Slimer <.m@nsn.s> - 2016-12-09 14:06 -0500
Re: I don't need the source code. Chris Ahlstrom <OFeem1987@teleworm.us> - 2016-12-09 19:56 -0500
Re: I don't need the source code. Silver Slimer <.m@nsn.s> - 2016-12-10 09:23 -0500
Re: Only _results_ matter; i.e.: What does it do ? fr314159@gmail.com - 2016-12-09 07:17 -0800
Re: Only _results_ matter; i.e.: What does it do ? DFS <nospam@dfs.com> - 2016-12-12 18:54 -0500
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-12 18:39 -0500
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <mel@zzzzz.com> - 2016-12-09 03:38 +0100
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-09 19:00 +0000
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <mel@zzzzz.com> - 2016-12-10 00:33 +0100
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-10 05:24 +0000
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <Melzzzzz@zzzzz.com> - 2016-12-10 06:54 +0100
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-10 06:25 +0000
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <Melzzzzz@zzzzz.com> - 2016-12-10 07:28 +0100
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-10 19:56 +0000
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-10 15:19 -0500
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-10 15:23 -0500
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-10 20:44 +0000
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-10 17:55 -0500
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-11 00:02 +0000
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-10 19:39 -0500
C/CPP's "srand( int Seed )" generates an array of (PseudoRandom) int's. Jeff-Relf.Me <@.> - 2016-12-10 23:09 -0800
Re: C/CPP's "srand( int Seed )" generates an array of (PseudoRandom) int's. deplorable owl <owl@rooftop.invalid> - 2016-12-11 07:23 +0000
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-10 19:56 -0500
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-10 20:07 -0500
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-11 04:07 +0000
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-11 00:18 -0500
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <mel@zzzzz.com> - 2016-12-11 03:40 +0100
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-11 04:00 +0000
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <Melzzzzz@zzzzz.com> - 2016-12-11 05:08 +0100
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-11 04:27 +0000
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <Melzzzzz@zzzzz.com> - 2016-12-11 05:58 +0100
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-11 05:55 +0000
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <Melzzzzz@zzzzz.com> - 2016-12-11 07:11 +0100
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-11 06:49 +0000
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <mel@zzzzz.com> - 2016-12-11 07:52 +0100
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-11 07:09 +0000
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <Melzzzzz@zzzzz.com> - 2016-12-11 08:23 +0100
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-11 07:37 +0000
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <Melzzzzz@zzzzz.com> - 2016-12-11 08:40 +0100
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-11 09:05 +0000
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-10 19:41 +0000
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <mel@zzzzz.com> - 2016-12-10 20:48 +0100
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-10 20:06 +0000
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-10 10:32 -0500
Re: Where are you, sdb? I have something fun for your little morons to try Melzzzzz <mel@zzzzz.com> - 2016-12-10 16:40 +0100
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-10 11:03 -0500
Re: Where are you, sdb? I have something fun for your little morons to try Steve Carroll <fretwizzer@gmail.com> - 2016-12-10 09:26 -0800
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-10 12:38 -0500
Re: Where are you, sdb? I have something fun for your little morons to try Steve Carroll <fretwizzer@gmail.com> - 2016-12-10 09:52 -0800
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-10 13:01 -0500
Re: Where are you, sdb? I have something fun for your little morons to try Steve Carroll <fretwizzer@gmail.com> - 2016-12-10 10:06 -0800
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-10 19:38 +0000
Re: Where are you, sdb? I have something fun for your little morons to try DFS <nospam@dfs.com> - 2016-12-10 19:55 -0500
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-10 19:33 +0000
Re: Where are you, sdb? I have something fun for your little morons to try deplorable owl <owl@rooftop.invalid> - 2016-12-10 20:00 +0000
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