takehiko’s gists

takehiko / byoin.rb

Created November 2, 2017 20:08

Wikipedia日本語版「市区町村立病院」から病院名を取り出す

	#!/usr/bin/env ruby

	# Wikipedia日本語版「市区町村立病院」から病院名を取り出す

	require "nokogiri"
	require "open-uri"

	filename = "byoin.html"
	if !test(?f, filename)
	html = open("https://ja.wikipedia.org/wiki/%E5%B8%82%E5%8C%BA%E7%94%BA%E6%9D%91%E7%AB%8B%E7%97%85%E9%99%A2").read

takehiko / kanji-by-kakusu.rb

Created January 2, 2018 23:44

Print kanji (Chinese characters) within 15 stroke counts

	#!/usr/bin/env ruby

	# kanji-by-kakusu.rb : print kanji (Chinese characters) within 15 stroke counts
	# by takehikom

	# 小学校で学習する15画以下の漢字をすべて出力する（他の画数，制限なしにも対応）
	# 画数情報は，漢字辞典オンライン http://kanji.jitenon.jp/ にアクセスして取得

	require "open-uri"
	require "kconv"

takehiko / repeat3.rb

Created January 7, 2018 19:20

An inspector of a string that occurs three times successively, and generators

	#!/usr/bin/env ruby

	# repeat3.rb : an inspector of a string that occurs three times successively,
	# and generators of a string which consists of "a" and "b"
	# and has no substring that occurs three times successively
	# by takehikom

	module Repeat3
	class Inspector
	def initialize

takehiko / dominationgame.svg

Last active February 17, 2018 01:24

A domination game; you can click panels to change the color.

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takehiko / colorshow.c

Created April 28, 2018 07:07

colorshow.c

	/*
	* colorchow.c : ANSIエスケープシーケンスを利用して，
	大文字を赤色，小文字を青色で表示する．
	* 作成者: 村川猛彦 ([email protected])
	* コンパイル方法: cc colorshow.c -o colorshow
	* 実行方法: cat report1-cipher.txt \| sed -e 'y/ABC/xyz/' \| ./colorshow
	*/

	#include <stdio.h>
	#include <ctype.h>

takehiko / trisub.rb

Created June 4, 2018 13:56

A solver of triangular subtraction problem

	#!/usr/bin/env ruby

	# trisub.rb : a solver of triangular subtraction problem
	# by takehikom

	# Usage:
	# ruby trisub.rb
	# ruby trisub.rb 4
	# ruby trisub.rb 5
	# ruby trisub.rb 6 # no answer

takehiko / inome-drawer.rb

Last active June 19, 2018 17:34

Drawing "inome", a traditional Japanese design in the shape of a heart

	#!/usr/bin/env ruby

	# inome-drawer.rb : drawing "inome", a traditional Japanese design in the shape of a heart
	# by takehikom

	# See also:
	# http://shoujuin.boo.jp/?page_id=466
	# http://d.hatena.ne.jp/takehikom/20180619/1529420399

	class InomeDrawer

takehiko / icosa-drawer.rb

Created January 1, 2019 13:42

Drawing SVG images of a regular icosahedron with "kuku" forms along the sides

	#!/usr/bin/env ruby

	# icosa-drawer.rb : drawing SVG images of a regular icosahedron
	# with "kuku" forms along the sides
	# by takehikom

	module IcosaDrawer
	class Triangle
	def initialize(param = {})
	@label = param[:label]

takehiko / junjo-detector.rb

Created January 31, 2019 14:37

"Junjo" detector (designed for Order-of-Multiplication Dispute)

	#!/usr/bin/env ruby

	# junjo-detector.rb : 「かけ算の順序」（表記ゆれを含む）を見つける
	# by takehikom

	# ruby junjo-detector.rb
	# ruby junjo-detector.rb file ...
	# ruby junjo-detector.rb directory

	def find_junjo(io, filename = nil)

takehiko / kukuniketa.rb

Last active March 11, 2019 09:54

Make 2-digit numbers that appear on the "kuku" table

	#!/usr/bin/env ruby

	# kukuniketa.rb : 「九九2桁」ソルバ
	# by takehikom

	# [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]といった配列を入力にとり，
	# 2個ずつ組み合わせて2桁の数を作って，いずれも九九の答えに出現する
	# ものを求める．

	# see also: https://takehikom.hateblo.jp/entry/2019/03/11/054444

takehiko takehiko