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

Refactor Legacy Code

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for David Tanzer David Tanzer
January 30, 2017
Technology
96
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
93
Grown Organically - Develop Software and Bonsai
Avatar for David Tanzer dtanzer
0
47
Wachsen und Gedeihen: Bonsai und Software
Avatar for David Tanzer dtanzer
0
73
Contract Testing with Pact
Avatar for David Tanzer dtanzer
0
130
to-mock-or-not-to-mock.pdf
Avatar for David Tanzer dtanzer
0
180
Slow Down to Move Faster (German)
Avatar for David Tanzer dtanzer
0
160
Electron - How and Why
Avatar for David Tanzer dtanzer
0
200
Agilität ist Unintuitiv
Avatar for David Tanzer dtanzer
0
130
Agilität und Innovation
Avatar for David Tanzer dtanzer
0
180

Other Decks in Technology

See All in Technology
ブラウザの投機的読み込みと投機ルールAPIを理解し、Webサービスのパフォーマンスを最適化する
Avatar for did0es shuta13
3
300
（きっとたぶん）人材育成や教育のような何かの話
Avatar for Takanori Sejima sejima
0
680
全社統制を維持しながら現場負担をどう減らすか〜プラットフォームチームとセキュリティチームで進めたSecurity Hub活用によるAWS統制の見直し〜/secjaws-security-hub-custom-insights
Avatar for みずほリサーチ&テクノロジーズ株式会社 先端技術研究部 mhrtech
1
270
AI飲み会幹事エージェントを作っただけなのに
Avatar for Yuta Kimi ykimi
0
120
古今東西SRE
Avatar for Kaoru okaru
2
180
Building Production-Ready Agents Microsoft Agent Framework
Avatar for Mert Metin _mertmetin
0
160
freeeで運用しているAIQAについて
Avatar for tonchan qatonchan
0
480
色を視る
Avatar for yuzneri yuzneri
0
330
新卒エンジニア研修、ハンズオンの設計における課題と実践知/ #tachikawaany
Avatar for Ichiro Nishiuma nishiuma
2
140
世界の中心でApp Runnerを叫ぶ FINAL
Avatar for つくぼし tsukuboshi
0
260
SLI/SLO、「完全に理解した」から「チョットデキル」へ
Avatar for maru maruloop
2
180
ボトムアップの改善の火を灯し続けろ！〜支援現場で学んだ、消えないための3つの打ち手〜 / 20260509 Kazuki Mori
Avatar for SHIFT EVOLVE shift_evolve
PRO
2
620

Featured

See All Featured
Are puppies a ranking factor?
Avatar for Jono Alderson jonoalderson
1
3.4k
Collaborative Software Design: How to facilitate domain modelling decisions
Avatar for Kenny Baas-Schwegler baasie
1
210
How Fast Is Fast Enough? [PerfNow 2025]
Avatar for Tammy Everts tammyeverts
3
560
Skip the Path - Find Your Career Trail
Avatar for Mark Kilby mkilby
1
120
XXLCSS - How to scale CSS and keep your sanity
Avatar for Zaharenia Atzitzikaki sugarenia
250
1.3M
The Illustrated Guide to Node.js - THAT Conference 2024
Avatar for David Neal reverentgeek
1
340
The Limits of Empathy - UXLibs8
Avatar for Cassini Nazir cassininazir
1
320
Ethics towards AI in product and experience design
Avatar for Skipper Chong Warson skipperchong
2
270
Automating Front-end Workflow
Avatar for Addy Osmani addyosmani
1370
200k
The Art of Programming - Codeland 2020
Avatar for Erika Heidi erikaheidi
57
14k
Docker and Python
Avatar for Tania Allard trallard
47
3.8k
Jamie Indigo - Trashchat’s Guide to Black Boxes: Technical SEO Tactics for LLMs
Avatar for Tech SEO Connect techseoconnect
PRO
0
130

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(...); }