masapico

process.env.PYTHONIOENCODNG = "utf-8";

masapico

# Display bytes in String

puts "- utf-8 ------------------------------"
'あ'.bytes { |b| puts "#{b.to_s(16)} => #{sprintf("%#010b", b)}" }

puts "- sjis ------------------------------"
'あ'.encode("Windows-31J").bytes { |b| puts "#{b.to_s(16)} => #{sprintf("%#010b", b)}" }

puts "- utf-16le ---------------------------"
'あ'.encode("utf-16le").bytes { |b| puts "#{b.to_s(16)} => #{sprintf("%#010b", b)}" }

masapico

# TrueTypeフォントより登録用のモノクロビットマップ 256x256 を抽出
from PIL import Image, ImageDraw, ImageFont

# path to *.ttf
ttf_path = './EUDC.TTF'

# 抽出したいコードポイント E000 to F2B3
cp_start = 57344
cp_end   = 62131

masapico

# coding: utf-8

File.open("hoge.txt", "w:utf-16le") do |output|

  #-----------------------------------------------------
  # added BOM for handling NIHONGO file
  output.print [0xfffe].pack("U")
  #-----------------------------------------------------
  
  7.times do |i|

masapico

var util = require("util");

util.puts("\u0041"); // "A"

var codePoint = "A".charCodeAt(0);
util.puts(codePoint.toString(16)); // "41"

masapico

require "sqlite3"

db = SQLite3::Database.new("test.sqlite3")

sql = <<SQL
  create table test(
    content blob
  )
SQL
db.execute_batch(sql)

masapico

# Hash
class MyClass
  def initialize
    @config = {
      name: "default name",
      mail: "default mail"
    }
  end

  def set_config