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module Kernel | |
def installed?(cmd) | |
FileTest.executable?(`which #{cmd}`.strip) | |
end | |
end |
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#!/usr/bin/env ruby | |
$: << File.expand_path('~/src/net-irc/lib') | |
require 'net/irc' | |
class Bot < Net::IRC::Client | |
include Net::IRC::Constants | |
def on_rpl_welcome(m) |
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#!/usr/bin/env ruby | |
# !!!!! OAuth !!!!! | |
require "rubygems" | |
require "logger" | |
require "net/http" | |
require "json" | |
class Remtter |
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#! /usr/bin/ruby -Ku | |
require 'net/http' | |
require 'rubygems' | |
require 'nokogiri' | |
require 'meow' | |
TOPURL = 'http://baseball.yahoo.co.jp/npb/schedule/' |
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class IndexHoldedList < ::Hash | |
def [](n) | |
raise ArgumentError unless Integer === n | |
self.fetch(n) | |
end | |
def []=(n, value) | |
raise ArgumentError unless Integer === n | |
self.store(n, value) | |
end |
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class MyVector(val x: Double, val y: Double) { | |
override def toString: String = { | |
"MyVector(" + x + ", " + y + ")" | |
} | |
def length: Double = { | |
Math.sqrt(x * x + y * y) | |
} | |
def direction: Double = { |
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#!/usr/bin/env ruby | |
tracks = [] << %w(鮮やか な 殺人) << %w(テレキャスター の 真実) << | |
%w(Sadistic Summer) << %w(ターボチャージャー ON) << %w(Acoustic) << | |
%w(O F T) << %w(CRAZY 感情 STYLE) << %w(トルネード G) << %w(傍観) << | |
%w(TK in the 夕景) << %w(想像 の Security) << %w(感覚 UFO) << | |
%w(秋 の 気配 の アルペジオ) << %w(ラスト ダンス レボリューション) << | |
%w(Sergio Echigo) << %w(nakano kill you) << %w(COOL J) << %w(DISCO FLIGHT) << | |
%w(knife vacation) << %w(am 3:45) << %w(赤い 誘惑) << %w(1/f の 誘惑) << | |
%w(i not crazy am you are) << %w(夕景 の 記憶) << %w(Telecastic fake show) << |
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#!/usr/bin/env ruby | |
def collatz(n) | |
n == 0 || n == 1 ? n : n.even? ? collatz n / 2 : collatz n * 3 + 1 | |
end | |
1.upto(3 * 2 ** 52).all? {|i| collatz(i) == 1 } # -> true |
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#!/usr/bin/env ruby | |
require 'fileutils' | |
# ./src/README | |
# ./dst/ | |
FileUtils::DryRun.copy_entry 'src/', 'dst/' | |
# ./src/README |
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#!/usr/bin/env ruby | |
# -*- encoding: utf-8 -*- | |
f_numbers = Dir.glob("**/*.jpg").map {|jpg| | |
`jhead #{jpg}`.gsub(%r{Aperture\s*:\s*(?:f/(\d+(?:\.\d+)?))}) { $1 } | |
}.compact.map {|f| f.to_f } | |
f_numbers.group_by {|f| f_numbers.count(f) }.each do |freq, f| | |
puts "#{freq}: #{f.uniq.join(",")}" | |
end |