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

Generating a CSV file with ROM

Avatar for Krzysztof Wawer Krzysztof Wawer
June 17, 2015
Programming
0
350

Generating a CSV file with ROM

Avatar for Krzysztof Wawer

Krzysztof Wawer

June 17, 2015
Tweet

More Decks by Krzysztof Wawer

See All by Krzysztof Wawer
The Good Architecture
Avatar for Krzysztof Wawer wafcio
0
660
GIT - Good Practices
Avatar for Krzysztof Wawer wafcio
0
96
Slim Ruby on Rails: Controllers & Middlewares
Avatar for Krzysztof Wawer wafcio
1
200
Dry System
Avatar for Krzysztof Wawer wafcio
0
120
dry-validations
Avatar for Krzysztof Wawer wafcio
0
190
Validations in Ruby
Avatar for Krzysztof Wawer wafcio
0
200
Trailblazer bez trailblazera
Avatar for Krzysztof Wawer wafcio
0
250
ActiveRecord, DataMapper czy Agregacja encji
Avatar for Krzysztof Wawer wafcio
0
200
Jak (nie) używać Service Object
Avatar for Krzysztof Wawer wafcio
0
230

Other Decks in Programming

See All in Programming
Cyrius ーLinux非依存にコンテナをネイティブ実行する専用OSー
Avatar for n4mlz n4mlz
0
240
Vuetify 3 → 4 何が変わった？差分と移行ポイント10分まとめ
Avatar for kouki.miura koukimiura
0
180
社内規程RAGの精度を73.3% → 100%に改善した話
Avatar for oharu121 oharu121
13
8.3k
maplibre-gl-layers - 地図に移動体たくさん表示したい
Avatar for Kouji Matsui kekyo
PRO
0
410
nuget-server - あなたが必要だったNuGetサーバー
Avatar for Kouji Matsui kekyo
PRO
0
390
ふつうのRubyist、ちいさなデバイス、大きな一年 / Ordinary Rubyists, Tiny Devices, Big Year
Avatar for chobishiba chobishiba
1
500
CS教育のDX AIによる育成の効率化
Avatar for ニフティ株式会社 niftycorp
PRO
0
160
S3ストレージクラスの「見える」「ある」「使える」は全部違う ─ 体験から見た、仕様の深淵を覗く
Avatar for ya_ma23 ya_ma23
0
920
存在論的プログラミング： 時間と存在を記述する
Avatar for Akihito Koriyama koriym
4
430
AI時代の脳疲弊と向き合う ~言語学としてのPHP~
Avatar for Sakurai sakuraikotone
1
1.5k
OTP を自動で入力する裏技
Avatar for Megabits_mzq megabitsenmzq
0
120
Claude Codeログ基盤の構築
Avatar for giginet giginet
PRO
7
3.6k

Featured

See All Featured
jQuery: Nuts, Bolts and Bling
Avatar for Doug Neiner dougneiner
65
8.4k
Rails Girls Zürich Keynote
Avatar for Gregor Martynus gr2m
96
14k
How to build a perfect <img>
Avatar for Jono Alderson jonoalderson
1
5.3k
Imperfection Machines: The Place of Print at Facebook
Avatar for Scott Boms scottboms
269
14k
What the history of the web can teach us about the future of AI
Avatar for Ines Montani inesmontani
PRO
1
490
Breaking role norms: Why Content Design is so much more than writing copy - Taylor Woolridge
Avatar for UX Y'all uxyall
0
220
How to Think Like a Performance Engineer
Avatar for Harry Roberts csswizardry
28
2.5k
First, design no harm
Avatar for Per Axbom axbom
PRO
2
1.1k
For a Future-Friendly Web
Avatar for Brad Frost brad_frost
183
10k
Lessons Learnt from Crawling 1000+ Websites
Avatar for Charles Meaden charlesmeaden
PRO
1
1.2k
Game over? The fight for quality and originality in the time of robots
Avatar for Wayne Barker wayneb77
1
140
The Curse of the Amulet
Avatar for Matthew Lei leimatthew05
1
10k

Transcript

  1. GENERA TING A CSV FILE WITH ROM

  2. Krzysztof Wawer GITHUB: wafcio TWITTER: @KrzysztofWawer ABOUT ME

  3. None
  4. None

  5. CRUD

  6. RUBY CSV CREATE

  7. RUBY CSV CREATE

  8. RUBY CSV READ

  9. RUBY OBJECT MAPPER

  10. CRUD ROM

  11. ROM READ CREATE UPDATE DELETE

  12. ROM-CSV 1. Read data 2. Create dataset

  13. ROM-CSV • ROM::Memory::Dataset • ROM::ArrayDataset (support module) • ROM::EnumerableDataset (support

    module)

  14. ROM-CSV Methods: • join • project (select) • restrict (where)

    • order

  15. ROM-CSV • Like database • Generate CSV report

  16. ROM-CSV https://github.com/rom-rb/rom-csv/tree/master/examples