Upgrade to Pro — share decks privately, control downloads, hide ads and more …

In the beginning was TXT

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Markus Wein Markus Wein
October 02, 2014
Programming
0
120

In the beginning was TXT

A very short overview of the history of encodings, given at Vienna.rb on 2014-10-02

Avatar for Markus Wein

Markus Wein

October 02, 2014
Tweet

More Decks by Markus Wein

See All by Markus Wein
Command Line Productivity
Avatar for Markus Wein cypher
1
150
A crash intro to deliberate practice
Avatar for Markus Wein cypher
0
120
Keeping Your PostgreSQL Data Save
Avatar for Markus Wein cypher
0
130
Ghost in the State Machine
Avatar for Markus Wein cypher
2
330
n Things You Didn't Know About PostgreSQL (Rubyslava & PyVo 2014 Edition)
Avatar for Markus Wein cypher
1
250
How to Become a Better Developer
Avatar for Markus Wein cypher
2
1.8k
An Introduction to Rust
Avatar for Markus Wein cypher
1
8.3k
How to Become a Better Developer
Avatar for Markus Wein cypher
1
240
A Very Short Overview of Vagrant
Avatar for Markus Wein cypher
0
8k

Other Decks in Programming

See All in Programming
CSC307 Lecture 09
Avatar for Javier Gonzalez-Sanchez javiergs
PRO
1
840
AIで開発はどれくらい加速したのか？AIエージェントによるコード生成を、現場の評価と研究開発の評価の両面からdeep diveしてみる
Avatar for どすこい daisuketakeda
1
2.5k
カスタマーサクセス業務を変革したヘルススコアの実現と学び
Avatar for Tomoyuki Hamaguchi _hummer0724
0
700
ノイジーネイバー問題を解決する 公平なキューイング
Avatar for Shoichi Ochi occhi
0
100
AI & Enginnering
Avatar for codelynx codelynx
0
110
Data-Centric Kaggle
Avatar for ねぼすけAI isax1015
2
780
LLM Observabilityによる 対話型音声AIアプリケーションの安定運用
Avatar for Hiroyuki Moriya gekko0114
2
430
【卒業研究】会話ログ分析によるユーザーごとの関心に応じた話題提案手法
Avatar for MomokoShirakawa momok47
0
200
Best-Practices-for-Cortex-Analyst-and-AI-Agent
Avatar for ryotaro.ikeda@finatext.com ryotaroikeda
1
110
CSC307 Lecture 07
Avatar for Javier Gonzalez-Sanchez javiergs
PRO
0
550
20260127_試行錯誤の結晶を1冊に。著者が解説 先輩データサイエンティストからの指南書 / author's_commentary_ds_instructions_guide
Avatar for nash_efp nash_efp
1
980
15年続くIoTサービスの SREエンジニアが挑む 分散トレーシング導入
Avatar for Melonps melonps
2
200

Featured

See All Featured
[RailsConf 2023] Rails as a piece of cake
Avatar for Vladimir Dementyev palkan
59
6.3k
We Are The Robots
Avatar for Honza Javorek honzajavorek
0
160
10 Git Anti Patterns You Should be Aware of
Avatar for Lemi Orhan Ergin lemiorhan
PRO
659
61k
Bootstrapping a Software Product
Avatar for Garrett Dimon garrettdimon
PRO
307
120k
How to Get Subject Matter Experts Bought In and Actively Contributing to SEO & PR Initiatives.
Avatar for Liv Day livdayseo
0
66
The Art of Programming - Codeland 2020
Avatar for Erika Heidi erikaheidi
57
14k
The untapped power of vector embeddings
Avatar for Frank van Dijk frankvandijk
1
1.6k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
Avatar for panda_program panda_program
122
21k
What the history of the web can teach us about the future of AI
Avatar for Ines Montani inesmontani
PRO
1
430
Git: the NoSQL Database
Avatar for Brandon Keepers bkeepers
PRO
432
66k
Fight the Zombie Pattern Library - RWD Summit 2016
Avatar for Marcelo Somers marcelosomers
234
17k
Embracing the Ebb and Flow
Avatar for Simon Collison colly
88
5k

Transcript

  1. In the beginning was TXT

  2. !

  3. EBCDIC

  4. Source: http://en.wikipedia.org/wiki/EBCDIC

  5. ASCII

  6. "#$%&

  7. None

  8. ä, ö, or å and Ø?

  9. Latin-1 ISO/IEC 8859-1

  10. Latin-*

  11. Windows code pages

  12. Then came the €

  13. (

  14. None

  15. Shift-JIS

  16. This sucks

  17. Unicode!

  18. Unicode!

  19. ✈️ (planes!)

  20. Basic Multilingual Plane

  21. Code Points

  22. U+0041 (LATIN SMALL LETTER A)

  23. Source: http://codepoints.net/U+0041

  24. Grapheme

  25. a a a a a a a

  26. Composite characters

  27. U+0065 U+0301 or U+00E9

  28. e+´ => é é

  29. ´ != ´

  30. Unicode… is not an encoding

  31. UTF-32

  32. UCS-2/UTF-16

  33. UTF-8

  34. Source: http://en.wikipedia.org/wiki/File:UnicodeGrow2b.png

  35. What does it look like?

  36. Codepoint Char ASCII Latin-1 ISO-8859-15 UTF-8 UTF-16 U+0041 A 0x41

    0x41 0x41 0x41 0x00 0x41 U+00C4 Ä - 0xc4 0xc4 0xc3 0x84 0x00 0xc4 U+20AC € - - 0xa4 0xe3 0x82 0xac 0x20 0xac U+C218 ࣻ - - - 0xec 0x88 0x98 0xc2 0x18 Encoding comparison Source: http://perlgeek.de/en/article/encodings-and-unicode

  37. Remember: Just because someone claims it’s UTF-8, doesn’t mean it

    is