hyuki0000

#!/usr/bin/env ruby
# cf. http://bit.ly/2raKfLZ
# makeopenapp - URLをオープンするだけのスクリプトをMacのアプリケーションにする

if ARGV.length != 2
  abort("Usage: makeopenapp URL Example.app")
end

url = ARGV[0]
appname = ARGV[1]

hyuki0000

タイトル

見出し

ろーれむいぷさむ

見出し

見出し

hyuki0000

require 'prime'

MAX = 10000_00000_00000
n = Rational(0)
s = Rational(0)
Prime.each(MAX) do |p|
  n += 1
  s += p
  if (s/n).denominator == 1
    puts "f(#{n}) = #{s/n} : INTEGER"

hyuki0000

(1..9).each do |a|
  (1..9).each do |b|
    (1..9).each do |c|
      x = (10 * a + b).to_r
      y = (10 * b + c).to_r
      # puts "a = #{a}, b = #{b}, c = #{c}, x = #{x}, y = #{y}"
      if a != c and x / y == a.to_r / c.to_r
        puts "\\frac{#{x.to_i}}{#{y.to_i}} = \\frac{#{a}}{#{c}}, "
      end
    end

hyuki0000

# N人のうち1人が100点でN-1人が0点であるとき、100点の人の偏差値
N = 15802 # 人数
μ = 100.0 / N # 平均
v = ((N-1) * (0-μ) ** 2 + 1 * (100-μ) ** 2) / N # 分散
σ = Math.sqrt(v) # 標準偏差
puts 50 + (100-μ) / σ * 10 # 100点の人の偏差値
# => 1307.0202862324857

hyuki0000

  43 math
  37 IT
  34 science
  30 tech
  29 数学
  27 famous
  25 My
  23 engineer
  20 it
  17 twizard-magic-list

hyuki0000

/*
 * FameList.js
 *
 * When you see
 *    https://twitter.com/EXAMPLEUSER/...
 * Then you jump to
 *    https://twitter.com/EXAMPLEUSER/memberships
 *
 * Written by Hiroshi Yuki.
 * Licensed under CC0.

hyuki0000

#!/usr/bin/perl
#
# This is UpFtp, Version 1.3
# Copyright (C) 2000,2003,2006,2017 by Hiroshi Yuki.
# http://www.hyuki.com/upftp/
#
# This program is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
#
use strict;

hyuki0000

[ 2017-07-02 23:34:03.2697 29259/7f7fb7fff700 age/Cor/CoreMain.cpp:588 ]: Signal received. Gracefully shutting down... (send signal 2 more time(s) to force shutdown)
[ 2017-07-02 23:34:03.2804 29259/7f7fca2e4880 age/Cor/CoreMain.cpp:999 ]: Received command to shutdown gracefully. Waiting until all clients have disconnected...
[ 2017-07-02 23:34:03.2860 29269/7fd29ffff700 age/Ust/UstRouterMain.cpp:430 ]: Signal received. Gracefully shutting down... (send signal 2 more time(s) to force shutdown)
[ 2017-07-02 23:34:03.2867 29269/7fd2a9f35880 age/Ust/UstRouterMain.cpp:500 ]: Received command to shutdown gracefully. Waiting until all clients have disconnected...
[ 2017-07-02 23:34:03.2877 29269/7fd29f7fe700 Ser/Server.h:862 ]: [UstRouterApiServer] Freed 0 spare client objects
[ 2017-07-02 23:34:03.2880 29269/7fd29f7fe700 Ser/Server.h:490 ]: [UstRouterApiServer] Shutdown finished
[ 2017-07-02 23:34:03.2878 29269/7fd29ffff700 Ser/Server.h:490 ]: [UstRouter] Shutdown finished
[ 2017-07-02 23:34:03.2855 29259/7f7fca2e

hyuki0000

require 'prime'

def φ(n)
  if n == 1
    return 1
  end
  Prime.each(n-1) do |p|
    if n % p == 0
      b = n
      j = 0