niku

require 'benchmark'

Benchmark.bmbm do |x|
  x.report(' 10000 times << e ') do
    (1..10000).reduce([]) { |m,e| m << e }
  end
  x.report(' 10000 times + [e]') do
    (1..10000).reduce([]) { |m,e| m + [e] }
  end
  x.report('100000 times << e ') do

niku

def plus5div2 ary
  plus5 = ->(input){ input + 5 }
  div2 = ->(input){ input / 2 }

  ary.map(&plus5).map(&div2)
end

plus5div2 [2, 4, 5, 3] # => [3, 4, 5, 4]

niku

#!/bin/sh

# This program has two feature.
#
# 1. Create a disk image on RAM.
# 2. Mount that disk image.
#
# Usage:
#   $0 <dir> <size> <volume>
#

niku

(defun anything-c-sources-git-project-for (pwd)
  (loop for elt in
        '(("Modified files (%s)" . "--modified")
          ("Untracked files (%s)" . "--others --exclude-standard")
          ("All controlled files in this project (%s)" . ""))
        collect
        `((name . ,(format (car elt) pwd))
          (init . (lambda ()
                    (unless (and ,(string= (cdr elt) "") ;update candidate buffer every time except for that of all project files
                                 (anything-candidate-buffer))

niku

# -*- coding: utf-8 -*-
result = (1..365).take_while { |i|
  # 枝刈り
  # (1..i)の合計(組み合わせの最小値)が1000を超えないものを対象にする
  (1..i).reduce(:+) < 1000
}.map { |i|
  (1..365).to_a.combination(i)
}.map { |e|
  # スレッドに分けて高速化
  Thread.new(e) { |g|

niku

File.open('result.txt', 'w') do |f|
  f << RUBY_DESCRIPTION
  while line = STDIN.gets
    f << line
    STDOUT.print '0'
    STDOUT.flush
  end
end

niku

#!/usr/bin/env ruby

def gem_name
  ARGV[0].chomp("/")
end

def constant_name
  constant_name = gem_name.split('_').map{|p| p[0..0].upcase + p[1..-1] }.join
  constant_name = constant_name.split('-').map{|q| q[0..0].upcase + q[1..-1] }.join('::') if constant_name =~ /-/
  constant_name

niku

# -*- coding: utf-8 -*-
require 'rack'
require 'rack/lobster'

NON_ASCII_VALUE = '日本語'
run Rack::Lobster.new

niku

# -*- coding: utf-8 -*-
class Foo
  a=1 # インスタンス変数じゃない！
  define_method(:bar, lambda{ a+=1 })
end
f = Foo.new
f.bar                      # => 2
f.bar                      # => 3
f.bar                      # => 4

niku

/usr/local% git diff
git diff
diff --git a/Library/Formula/poppler.rb b/Library/Formula/poppler.rb
index 79f8e4f..70088b6 100644
--- a/Library/Formula/poppler.rb
+++ b/Library/Formula/poppler.rb
@@ -31,6 +31,9 @@ class Poppler < Formula
     args = ["--disable-dependency-tracking", "--prefix=#{prefix}"]
     args << "--disable-poppler-qt4" unless ARGV.include? "--with-qt4"
     args << "--enable-xpdf-headers" if ARGV.include? "--enable-xpdf-headers"