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
160
A crash intro to deliberate practice
Avatar for Markus Wein cypher
0
120
Keeping Your PostgreSQL Data Save
Avatar for Markus Wein cypher
0
140
Ghost in the State Machine
Avatar for Markus Wein cypher
2
340
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
20260228_JAWS_Beginner_Kansai
Avatar for Takuya Yonezawa takuyay0ne
5
460
今更考える「単一責任原則」 / Thinking about the Single Responsibility Principle
Avatar for philomagi tooppoo
3
1.6k
CSC307 Lecture 13
Avatar for Javier Gonzalez-Sanchez javiergs
PRO
0
310
AWS×クラウドネイティブソフトウェア設計 / AWS x Cloud-Native Software Design
Avatar for nrs nrslib
13
2.7k
AIプロダクト時代のQAエンジニアに求められること
Avatar for imtnd imtnd
2
750
Codex の「自走力」を高める
Avatar for yorifuji yorifuji
0
1.1k
AWS Infrastructure as Code の新機能 2025 総まとめ 〜SA 4人による怒涛のデモ祭り〜
Avatar for Kenji Kono konokenj
10
3.3k
Swift ConcurrencyでよりSwiftyに
Avatar for 野瀬田　裕樹 yuukiw00w
0
250
Event Storming
Avatar for Henning Schwentner hschwentner
3
1.3k
守る「だけ」の優しいEMを抜けて、 事業とチームを両方見る視点を身につけた話
Avatar for Mitsui maroon8021
3
410
AHC061解説
Avatar for Shun_PI shun_pi
0
340
AI Assistants for Your Angular Solutions
Avatar for Manfred Steyer manfredsteyer
PRO
0
110

Featured

See All Featured
How Software Deployment tools have changed in the past 20 years
Avatar for Geshan Manandhar geshan
0
32k
Product Roadmaps are Hard
Avatar for C. Todd Lombardo iamctodd
PRO
55
12k
How to Get Subject Matter Experts Bought In and Actively Contributing to SEO & PR Initiatives.
Avatar for Liv Day livdayseo
0
81
jQuery: Nuts, Bolts and Bling
Avatar for Doug Neiner dougneiner
65
8.4k
Navigating Weather and Climate Data
Avatar for Ryan Abernathey rabernat
0
130
Agile that works and the tools we love
Avatar for Rasmus Luckow-Nielsen rasmusluckow
331
21k
Max Prin - Stacking Signals: How International SEO Comes Together (And Falls Apart)
Avatar for Tech SEO Connect techseoconnect
PRO
0
110
We Are The Robots
Avatar for Honza Javorek honzajavorek
0
190
Rebuilding a faster, lazier Slack
Avatar for samanthasiow samanthasiow
85
9.4k
What's in a price? How to price your products and services
Avatar for Michael Herold michaelherold
247
13k
Getting science done with accelerated Python computing platforms
Avatar for Jacob Tomlinson jacobtomlinson
2
140
Applied NLP in the Age of Generative AI
Avatar for Ines Montani inesmontani
PRO
4
2.1k

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