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

Refactor Legacy Code

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for David Tanzer David Tanzer
January 30, 2017
Technology
100
0

Refactor Legacy Code

A refactoring Kata I facilitated at the Coding Dojo Vienna

Avatar for David Tanzer

David Tanzer

January 30, 2017

More Decks by David Tanzer

See All by David Tanzer
Reversible Decisions for Better Software Design (VoxxedDays Zürich)
Avatar for David Tanzer dtanzer
0
110
Grown Organically - Develop Software and Bonsai
Avatar for David Tanzer dtanzer
0
70
Wachsen und Gedeihen: Bonsai und Software
Avatar for David Tanzer dtanzer
0
86
Contract Testing with Pact
Avatar for David Tanzer dtanzer
0
140
to-mock-or-not-to-mock.pdf
Avatar for David Tanzer dtanzer
0
210
Slow Down to Move Faster (German)
Avatar for David Tanzer dtanzer
0
170
Electron - How and Why
Avatar for David Tanzer dtanzer
0
230
Agilität ist Unintuitiv
Avatar for David Tanzer dtanzer
0
150
Agilität und Innovation
Avatar for David Tanzer dtanzer
0
190

Other Decks in Technology

See All in Technology
グローバル基準のSREは、運用現場でどう機能したか：成熟度アセスメントの実践 ／ SRE NEXT 2026
Avatar for sorawatanabe sorawatanabe
0
140
クラウドセキュリティ入門　～安全なクラウド利用のための基礎知識～
Avatar for LHazy lhazy
12
8.4k
事業価値と Engineering 2026年度版
Avatar for Recruit recruitengineers
PRO
45
22k
研究開発部の紹介 / Sansan R&D Profile
Avatar for Sansan, Inc. sansan33
PRO
4
24k
修正PRを食べてレビュースキルが賢くなる：Claude Codeによる自己改善サイクル
Avatar for um(うめ) yuyaumetsu
6
1.4k
サイバー捜査員研修（後半）
Avatar for Nomizo Nomizo nomizone
1
810
AI駆動開発は個人技からチーム戦へ：組織でAIを使いこなすための実践設計
Avatar for Atsushi Nakatsugawa moongift
PRO
0
480
AI ネイティブな組織に Gemini Enterprise Agent Platform がなぜ必要なのか
Avatar for Asei Sugiyama asei
1
190
Eight Engineering Unit 紹介資料
Avatar for Sansan, Inc. sansan33
PRO
3
8.1k
JavaScript 研修 (2026)
Avatar for Recruit recruitengineers
PRO
2
470
強化学習「理論」入門
Avatar for Etsuji Nakai enakai00
3
3.6k
SO-101×VLAによる3色キューブのピック＆プレース
Avatar for ABEJA abeja
0
160

Featured

See All Featured
Scaling GitHub
Avatar for Zach Holman holman
464
140k
ReactJS: Keep Simple. Everything can be a component!
Avatar for Pedro Nauck pedronauck
666
130k
GitHub's CSS Performance
Avatar for Jon Rohan jonrohan
1033
470k
How to build a perfect <img>
Avatar for Jono Alderson jonoalderson
1
5.9k
How to Think Like a Performance Engineer
Avatar for Harry Roberts csswizardry
28
2.7k
Applied NLP in the Age of Generative AI
Avatar for Ines Montani inesmontani
PRO
4
2.4k
Measuring Dark Social's Impact On Conversion and Attribution
Avatar for Stephen Akadiri stephenakadiri
2
250
How to Build an AI Search Optimization Roadmap - Criteria and Steps to Take #SEOIRL
Avatar for Aleyda Solis aleyda
1
2.1k
Marketing to machines
Avatar for Jono Alderson jonoalderson
1
5.7k
YesSQL, Process and Tooling at Scale
Avatar for Rocio Delgado rocio
174
15k
Statistics for Hackers
Avatar for Jake VanderPlas jakevdp
799
230k
Kristin Tynski - Automating Marketing Tasks With AI
Avatar for Tech SEO Connect techseoconnect
PRO
0
440

Transcript

  1. http://www.davidtanzer.net Let’s Refactor s o m e l e g

    a c y c o d e !

  2. http://www.davidtanzer.net http://socrates-conference.at

  3. http://www.davidtanzer.net F o r k m e o n G

    i t H u b : https://github.com/dtanzer/babystepstimer

  4. http://www.davidtanzer.net Beware: v e r y b a d c

    o d e !

  5. http://www.davidtanzer.net Legacy Code ?

  6. http://www.davidtanzer.net Legacy Code Code Without Tests Mike Feathers

  7. http://www.davidtanzer.net Legacy Code Code that… • Is valuable • We

    are afraid to change J.B. Rainsberger

  8. http://www.davidtanzer.net Exercise...

  9. http://www.davidtanzer.net g i t r e s e t -

    - h a r d

  10. http://www.davidtanzer.net Want more 2-Day React / Redux Training TDD /

    Clean Code Training → Ask Me ;) ?

  11. http://www.davidtanzer.net David Tanzer • Craftsperson • Player Coach • Team

    Coach • Quality Obsessed @dtanzer [email protected]

  12. http://www.davidtanzer.net private String getCurrentHtml() throws ... { BabystepsTimer.timerPane.getText(); } Private

    void clickOn(String link) { BabystepsTimer.timerPane .getHyperlinkListeners()[0] .hyperlinkUpdate(...); }