Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
The Pragmatic Glitch (#rubykaigi 2013 LT)
Search
Shimpei Makimoto
May 31, 2013
Design
4
3.3k
The Pragmatic Glitch (#rubykaigi 2013 LT)
one of lightning talks in RubyKaigi 2013
31st May, 2013
Shimpei Makimoto
May 31, 2013
Tweet
Share
More Decks by Shimpei Makimoto
See All by Shimpei Makimoto
How to Work with Legacy Ruby on Rails Applications in Treasure Data
makimoto
1
1.5k
JPEG を壊す話 / About JPEG corruption
makimoto
0
310
Training for New Graduates in Cookpad (Shitei Todan 2015)
makimoto
0
6.1k
How to read code
makimoto
0
1.5k
Glitch, OSS activities, and so on (Oedo RubyKaigi 04 #oedo04)
makimoto
5
1.4k
The Pragmatic Animated GIF in Ruby (a RubyConf 2013 lightning talk)
makimoto
0
540
グリッチについて話をします。 #wedding_s
makimoto
3
570
chiyahoya.me
makimoto
0
320
Recipes of Recipe Search
makimoto
5
1.5k
Other Decks in Design
See All in Design
Bulletproof Design System with TypeScript
takanorip
6
3.8k
「UXとUIの違い」v2
shirasu3
0
150
UXとUIの違いを自分の言葉で表現する: UX DAYS TOKYO
mizunashi_mana
0
220
ブランドパーソナリティ言語化における生成AI活用の実際
h0sa
0
200
A brief & incomplete history of UX Design for the World Wide Web: 1989–2019
jct
1
220
Cyber Heart Online Book
hjnasby
0
150
minpaku-community-scrum-patterns
norinity1103
1
180
【Firefly Image 4対応版】上手にFireflyにお願いしてウェブデザイン案を出すぞ!
cremacrema
0
1.4k
FigmaのFigmaファイルから学ぶTips & Tricks
hilokifigma
0
600
Designing User Experience through Interaction Design
lycorptech_jp
PRO
0
290
freee + Product Design FY25Q4
freee
4
15k
UXデザインはなぜ定着しないのか?
designstudiopartners
0
810
Featured
See All Featured
The Pragmatic Product Professional
lauravandoore
35
6.8k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
50
5.5k
YesSQL, Process and Tooling at Scale
rocio
173
14k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
181
54k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
161
15k
Typedesign – Prime Four
hannesfritz
42
2.7k
4 Signs Your Business is Dying
shpigford
184
22k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
21
1.4k
BBQ
matthewcrist
89
9.8k
GraphQLの誤解/rethinking-graphql
sonatard
71
11k
Understanding Cognitive Biases in Performance Measurement
bluesmoon
29
1.8k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
7
760
Transcript
The Pragmatic Glitch Shimpei Makimoto https://github.com/makimoto https://twitter.com/makimoto one of lightning
talks in RubyKaigi 2013 | 31st May, 2013 Έͳ͞Μ͜Μʹͪɻ 5IF1SBHNBUJD(MJUDIͱ͍͏Λ͠·͢ɻ
ӳޠͰൃද͢ΔͷͰຊޠͷࣈນΛ͍Ε·ͨ͠ɻ I talk it in (poor) English, so I added
Japanese subs.
self ·ͣࣗݾհ͔Βɻ
Shimpei Makimoto / ຊ৻ฏ https://{github,twitter}.com/makimoto photo by mirakui ຊ৻ฏͱ͍͍·͢ɻ 5XJUUFS(JU)VCͰ!NBLJNPUPͱ͍͏ΞΧϯτ໊Ͱ͢ɻ
We’re hiring http://info.cookpad.com/jobs http://info.cookpad.com/en ΫοΫύου͔Βདྷ·ͨ͠ɻ ͨͩ͠ɺ͜ͷൃදࢲͷޏ༻ओͱؔ͋Γ·ͤΜɻ
Glitch ͦΕͰάϦονͷͰ͢ɻ άϦονͱԿͰ͠ΐ͏͔ʁ
me ͜ΕࢲͰ͢ɻ
me me (in glitch) ͜ΕࢲͰ͢ɻͨͩ͠άϦον͍ͯ͠·͢ɻ
It’s Glitch ͜Ε͕άϦονͰ͢ɻ͓Θ͔ΓͰ͢Ͷʁ
How? Ͳ͏ͬͯ͜ΕΛ࣮ݱ͍ͯ͠ΔͷͰ͠ΐ͏ʁͱͯ؆୯Ͱ͢ɻ
sed ‘s/a/b/g’ original.jpg > glitch.jpg ͜Ε͚ͩͰ͢ɻTFEΛͬͯจࣈBΛจࣈCʹஔ͖͍͑ͯ·͢ɻ
sed(1) glitch ͜ΕΛҰൠʹTFEάϦονͱ͍͍·͢ɻ
Ruby 3VCZΛͬͯͳ͍ʁͦ͏Ͱ͢ͶɻͰ3VCZΛͬͯΈ·͢ɻ
ruby as better sed ·ͣΑΓྑ͍TFEͱͯ͠SVCZΛ͍·͢ɻ
ruby -e 'print ARGF.read.force_encoding("ascii-8bit").gsub("a", "b")' original.jpg > glitch.jpg ͍͍ͩͨ͜ΜͳϫϯϥΠφʔͰઌ΄Ͳͷͷͱಉ͜͡ͱ͕࣮ݱͰ͖·͢ɻ
ruby --external-encoding=ascii-8bit -e 'print ARGF.read.gsub("a", "b")' original.jpg > glitch.jpg ͪΖΜ͓ΈͰ͜Μͳײ͡ʹ͍͍ͯ͠Ͱ͢ɻ
me me (in glitch) ͍ͣΕʹ͠ΖάϦονͨ͠ը૾͕࡞͞Ε·͢ɻ
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΄͚͠Ε͜ΜͳίʔυΛॻ͍͍͍ͯͰ͢ɻ
͜Μͳײ͡Ͱը૾͕େྔʹ࡞͞Ε·͢ɻ
៉ྷͰ͢Ͷɻ
Glitch in web applications ͯ͞ɺ͔͜͜Βগ͠Ԡ༻دΓͷΛ͠·͢ɻ ΣϒΞϓϦέʔγϣϯΛྫʹ͠·͠ΐ͏ɻ
Rubyistokei ͓ͦΒ͘Έͳ͞Μ3VCZJTUPLFJΛ͝ଘͩͱࢥ͍·͢ɻ
͜ΕͰ͢ɻ
I apologize before a demo ͋Β͔͡Ί֤ؔҐʹँΓ·͢ɻ
Let’s break Rubyistokei ͦΕͰ3VCZJTUPLFJΛյ͠·͠ΐ͏ɻ
Glitch Rubyistokei 3VCZJTUPLFJ͔ΒϑΥʔΫͤ͞ɺ (MJUDI3VCZJTUPLFJΛ࡞Γ·ͨ͠ɻ ແஅͰ
http://glitch-rubyistokei.herokuapp.com
إ͕ݟ͑ͨ΄͏͕ྑ͍ͱࢥͬͨͷͰɺ ͜Μͳײ͡Ͱ͚ͩյ͢ͱ͍͏͜ͱΛͯ͠Έ·ͨ͠ɻ
How? ͜Ε͕ͲͷΑ͏ʹ࣮ݱ͞Ε͍ͯΔ͔ɺ ιʔείʔυΛݟͯΒ͏ͷ͕ૣ͍Ͱ͢ɻ
3VCZJTUPLFJ4JOBUSBΞϓϦέʔγϣϯͰ͢ɻ ը૾Λյ͢ϝιουΛՃͯͦ͠ΕΛද͍ࣔͤͯ͞·͢ɻ
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 ͬ͟ͱݟͯΒͬͨΒΘ͔ΔΜͰ͕͢ɺ؆୯ͳϩδοΫͰ͢ɻ
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
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 ࠷ॳͷϒϩοΫͦͷ··ʹɺ࣍ͷϒϩοΫͰHTVC͠·ͯग़ྗ͠·͢ɻ
ͦΕʹΑͬͯ͜ͷΑ͏ʹ͚ͩյΕͨը૾͕ੜͰ͖·͢ɻ
https://github.com/makimoto/rubyistokei/tree/glitch ͜ͷϒϥϯν͜ͷ63-Ͱެ։͞Ε͍ͯ·͢ɻ
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
Wrapping up ·ͱΊ·͢ɻ
Glitch is quick and easy Glitch is useful for web
applications (JPEG is good) ͱ͍͏͜ͱͰɺάϦονૉૣ͘Ͱ͖ͯ؆୯Ͱ͢ɻ ΣϒΞϓϦέʔγϣϯͱͷੑߴ͍Ͱ͢ɻͥͻࢼ͍ͯͩ͘͠͞ɻ You can try it!!1;
The Pragmatic Glitch one of lightning talks in RubyKaigi 2013
| 31st May, 2013 Shimpei Makimoto https://github.com/makimoto https://twitter.com/makimoto