The Pragmatic Glitch (#rubykaigi 2013 LT)

The Pragmatic Glitch (#rubykaigi 2013 LT)

one of lightning talks in RubyKaigi 2013
31st May, 2013

3e809b3e856f5eed33e279cf93657d3c?s=128

Shimpei Makimoto

May 31, 2013
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  1. 1.

    The Pragmatic Glitch Shimpei Makimoto https://github.com/makimoto https://twitter.com/makimoto one of lightning

    talks in RubyKaigi 2013 | 31st May, 2013 Έͳ͞Μ͜Μʹͪ͸ɻ 5IF1SBHNBUJD(MJUDIͱ͍͏࿩Λ͠·͢ɻ
  2. 18.

    data = ARGF.read.force_encoding('ascii-8bit') 36.times do |from| from = from.to_s(36) 36.times

    do |to| to = to.to_s(36) open("#{from}_#{to}.jpg", 'wb').write(data.gsub(from, to)) end end ͍ͬͺ͍ը૾͕΄͚͠Ε͹͜ΜͳίʔυΛॻ͍ͯ΋͍͍Ͱ͢ɻ
  3. 31.

    get '/glitch' do data = open(params[:url]).read data_a = data[0 ..

    data.size / 2] data_b = data[data.size / 2 .. -1] content_type :jpeg data_a + data_b.force_encoding('ascii-8bit').gsub('a', 'b') end ͬ͟ͱݟͯ΋ΒͬͨΒΘ͔ΔΜͰ͕͢ɺ؆୯ͳϩδοΫͰ͢ɻ
  4. 32.

    get '/glitch' do data = open(params[:url]).read data_a = data[0 ..

    data.size / 2] data_b = data[data.size / 2 .. -1] content_type :jpeg data_a + data_b.force_encoding('ascii-8bit').gsub('a', 'b') end ը૾ϑΝΠϧΛಡΈࠐΜͰɺͭͷϒϩοΫʹΘ͚·͢ɻ
  5. 33.

    get '/glitch' do data = open(params[:url]).read data_a = data[0 ..

    data.size / 2] data_b = data[data.size / 2 .. -1] content_type :jpeg data_a + data_b.force_encoding('ascii-8bit').gsub('a', 'b') end ࠷ॳͷϒϩοΫ͸ͦͷ··ʹɺ࣍ͷϒϩοΫͰ͸HTVC͠·ͯग़ྗ͠·͢ɻ
  6. 36.

    def show respond_to do |format| format.html do # snip end

    format.glitch do data = open(IMAGES_PATH.join(params[:id])) data = data.force_encoding('ascii-8bit').gsub('a', 'b') send_data data, type: 'image/jpeg', disposition: 'inline' end end end ͪͳΈʹ3BJMTͰಉ༷ͷॲཧΛߦ͓͏ͱͨ͠Β͜Μͳײ͡ʹͳΓ·͢ɻ protip: Case in Rails
  7. 38.

    Glitch is quick and easy Glitch is useful for web

    applications (JPEG is good) ͱ͍͏͜ͱͰɺάϦον͸ૉૣ͘Ͱ͖ͯ؆୯Ͱ͢ɻ ΢ΣϒΞϓϦέʔγϣϯͱͷ਌࿨ੑ΋ߴ͍Ͱ͢ɻͥͻࢼ͍ͯͩ͘͠͞ɻ You can try it!!1;
  8. 39.

    The Pragmatic Glitch one of lightning talks in RubyKaigi 2013

    | 31st May, 2013 Shimpei Makimoto https://github.com/makimoto https://twitter.com/makimoto