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
340

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
650
GIT - Good Practices
Avatar for Krzysztof Wawer wafcio
0
92
Slim Ruby on Rails: Controllers & Middlewares
Avatar for Krzysztof Wawer wafcio
1
190
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
240
ActiveRecord, DataMapper czy Agregacja encji
Avatar for Krzysztof Wawer wafcio
0
200
Jak (nie) używać Service Object
Avatar for Krzysztof Wawer wafcio
0
220

Other Decks in Programming

See All in Programming
360° Signals in Angular: Signal Forms with SignalStore & Resources @ngLondon 01/2026
Avatar for Manfred Steyer manfredsteyer
PRO
0
130
「ブロックテーマでは再現できない」は本当か？
Avatar for Takashi Kitajima inc2734
0
1k
QAフローを最適化し、品質水準を満たしながらリリースまでの期間を最短化する #RSGT2026
Avatar for shibayu36 shibayu36
2
4.4k
Fluid Templating in TYPO3 14
Avatar for Simon Praetorius s2b
0
130
責任感のあるCloudWatchアラームを設計しよう
Avatar for アキキー akihisaikeda
3
180
Fragmented Architectures
Avatar for Denys Poltorak denyspoltorak
0
160
余白を設計しフロントエンド開発を 加速させる
Avatar for karacoro / からころ tsukuha
7
2.1k
CSC307 Lecture 01
Avatar for Javier Gonzalez-Sanchez javiergs
PRO
0
690
dchart: charts from deck markup
Avatar for Anthony Starks ajstarks
3
990
Patterns of Patterns
Avatar for Denys Poltorak denyspoltorak
0
1.4k
Vibe Coding - AI 驅動的軟體開發
Avatar for Micky Li mickyp100
0
180
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

Featured

See All Featured
Let's Do A Bunch of Simple Stuff to Make Websites Faster
Avatar for Chris Coyier chriscoyier
508
140k
What’s in a name? Adding method to the madness
Avatar for The Alliance productmarketing
PRO
24
3.9k
Beyond borders and beyond the search box: How to win the global "messy middle" with AI-driven SEO
Avatar for David Carrasco davidcarrasco
1
53
The Cult of Friendly URLs
Avatar for Andy Hume andyhume
79
6.8k
10 Git Anti Patterns You Should be Aware of
Avatar for Lemi Orhan Ergin lemiorhan
PRO
659
61k
The Power of CSS Pseudo Elements
Avatar for Geoffrey Crofte geoffreycrofte
80
6.2k
The Art of Programming - Codeland 2020
Avatar for Erika Heidi erikaheidi
57
14k
The Illustrated Guide to Node.js - THAT Conference 2024
Avatar for David Neal reverentgeek
0
260
Organizational Design Perspectives: An Ontology of Organizational Design Elements
Avatar for Dr. Kim W Petersen kimpetersen
PRO
1
190
Measuring Dark Social's Impact On Conversion and Attribution
Avatar for Stephen Akadiri stephenakadiri
1
130
Jamie Indigo - Trashchat’s Guide to Black Boxes: Technical SEO Tactics for LLMs
Avatar for Tech SEO Connect techseoconnect
PRO
0
62
How Fast Is Fast Enough? [PerfNow 2025]
Avatar for Tammy Everts tammyeverts
3
450

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