takehiko

#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

# Makes a "Hello, world!" program that has no literals.

class HelloWorldGenerator1
  def initialize(s = "Hello, world!")
    @message = s.chomp + "\n"
  end

takehiko

#!/usr/bin/env ruby

# ruby magicsquare.rb
# ruby magicsquare.rb -c
# ruby magicsquare.rb 2
# ruby magicsquare.rb 3

module MagicSquare
  class Table
    def initialize(t = nil)

takehiko

# kukuplot.R - Kuku (a.k.a. multiplication table) Answer Accuracy
#   by takehikom

# http://berd.benesse.jp/berd/center/open/report/keisanryoku/2013/pdf/keisanryoku_2013_data_all.pdf#page=15
# http://i.imgur.com/tE4ncBy.gif
# http://qiita.com/wakuteka/items/c5910a54273d05577c5d

library(lattice)

kuku.acc <- c(

takehiko

#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

# TrianglePuzzleSolver.rb
#   by takehikom

# inspired by:
# http://www.huffingtonpost.jp/satoshi-kagimoto/triangle-puzzle_b_5590269.html

module TrianglePuzzle

takehiko

#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

# TrianglePuzzleSolver5x5.rb
#   by takehikom

# inspired by:
# http://www.ksproj.com/PDF/chirashi201405.pdf

# NOTE: Since we get 4354560 patterns (whereas TrianglePuzzleSolver.rb

takehiko

#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

# trips.rb - Triangle Puzzle Solver
#   by takehikom

# inspired by:
# http://www.huffingtonpost.jp/satoshi-kagimoto/triangle-puzzle_b_5590269.html

# ruby trips.rb

takehiko

#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

# trips5.rb - Trinagle Puzzle Solver (5 numbers on a side)
#   by takehikom

# inspired by:
# http://www.ksproj.com/PDF/chirashi201405.pdf
# see also:
# https://gist.github.com/takehiko/65dc59fb984e60bafb24 (trips.rb)

takehiko

#include <stdio.h>

/*
  constant.c - compare "const int", "#define", and "enum".
  inspired by:
  http://stackoverflow.com/questions/1674032/static-const-vs-define-in-c
 */

/* gcc constant.c -o constant */
/* gcc -std=c89 -pedantic -DOPTION_1 constant.c -o constant */

takehiko

#!/usr/bin/env ruby

# im-text-region.rb - Region calculator using ImageMagick's convert command
#   by takehikom

# ruby $S/priv/rb/im-text-region.rb
# ruby $S/priv/rb/im-text-region.rb '和歌山' Meiryo-UI-Regular

class TextRegion
  def initialize(opt = {})

takehiko

#!/usr/bin/env ruby

# auto_gdb_kuku.rb
#   How many times the value of inner loop's variable is changed
#   by takehikom

# ruby auto_gdb_kuku.rb
# ruby auto_gdb_kuku.rb | grep 'New value'
# ruby auto_gdb_kuku.rb | grep 'New value' | wc -l