okuramasafumi

• MuscleMixin
• Rubyと筋肉を作り込む話
  • PicoRubyとマイコンでトレーニング計測装置を作る
  • LEDで速度と加速度を示す
  • ダンベルを挙げる速度と重量が相関する
    • 速度を知りたい
      • 機器は大がかりであったりプロ向けであったりする
      • 自作する
• エンジニアリング

okuramasafumi

okuramasafumi

require 'builder'
require 'json'

list = JSON.load_file('list.json')
builder = Builder::XmlMarkup.new
builder.instruct! :xml, :version=>"1.0", :encoding=>"UTF-8"
xml = builder.opml(version: '1.0') do |opml|
  opml.head do |head|
    head.title("This is the title")
    head.dateCreated(Time.now)

okuramasafumi

"Michael Abrash",
"Scott Adams (game designer)",
"Tarn Adams",
"Leonard Adleman",
"Alfred Aho",
"Andrei Alexandrescu",
"Paul Allen",
"Eric Allman",
"Marc Andreessen",
"Jeremy Ashkenas",

okuramasafumi

require 'syntax_tree'

class RSpecEnvironment
  def initialize
    @contexts = []
    @results = []
  end

  def klass(k)
    @contexts << k

okuramasafumi

class MyStringScanner
  class ScanError < StandardError; end

  attr_reader :string, :captures
  attr_accessor :pos
  def initialize(string, _obsolete = false, fixed_anchor: false)
    @string = string
    @fixed_anchor = fixed_anchor
    @pos = 0
    @previous_pos = 0

okuramasafumi

def self.included(base)
  base.instance_variable_set(:@count, 0) unless base.instance_variable_defined?(:@count)
  base.instance_variable_set(:@count, base.instance_variable_get(:@count) + 1)
  puts base.name if base.instance_variable_get(:@count) > 1
end

okuramasafumi

class Hash
  def transform(&block)
    new_hash = {}
    each_pair do |key, value|
      rtn = block.call(key, value)
      case rtn
      in nil | true then new_hash[key] = value
      in false then next
      in Array[[_, _], *]
        rtn.each do |k, v|

okuramasafumi

MAPPING = {
  a: 1,
  b: 2,
  c: 3,
  d: 4,
  e: 5,
  f: 6,
}.freeze

def method1(key)

okuramasafumi

module Kernel
  def ice(key, value, on: Object)
    if on.instance_methods.include?(key.to_sym)
      prev = on.instance_method(key)
      on.define_method key do
        on.remove_method key
        on.define_method(key, prev)
        return value
      end
    else