Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Refactoring Legacy Applications
Search
Aaron Holbrook
June 10, 2017
Technology
0
110
Refactoring Legacy Applications
Aaron Holbrook
June 10, 2017
Tweet
Share
More Decks by Aaron Holbrook
See All by Aaron Holbrook
Debugging PHP Applications
aaronholbrook
0
110
Build a PHP Safety Net: Automated Checks Before You Commit
aaronholbrook
0
84
Safe and Happy Deploys Using Automation
aaronholbrook
0
210
Introduction to IDEs and Debugging
aaronholbrook
0
210
Making WordPress Search Kick-ass with Elasticsearch
aaronholbrook
0
1.7k
Static Site to WordPress
aaronholbrook
0
150
WordPress is a CMS, DAMMIT!
aaronholbrook
7
2.1k
WordPress & Version Control (v2) - WordCamp Chicago 2012
aaronholbrook
9
5.6k
Other Decks in Technology
See All in Technology
生成AIを活用した音声文字起こしシステムの2つの構築パターンについて
miu_crescent
PRO
3
220
学生・新卒・ジュニアから目指すSRE
hiroyaonoe
2
760
OCI Database Management サービス詳細
oracle4engineer
PRO
1
7.4k
SREチームをどう作り、どう育てるか ― Findy横断SREのマネジメント
rvirus0817
0
350
広告の効果検証を題材にした因果推論の精度検証について
zozotech
PRO
0
210
今こそ学びたいKubernetesネットワーク ~CNIが繋ぐNWとプラットフォームの「フラッと」な対話
logica0419
5
400
22nd ACRi Webinar - NTT Kawahara-san's slide
nao_sumikawa
0
100
ブロックテーマでサイトをリニューアルした話 / 2026-01-31 Kansai WordPress Meetup
torounit
0
480
OpenShiftでllm-dを動かそう!
jpishikawa
0
140
ランサムウェア対策としてのpnpm導入のススメ
ishikawa_satoru
0
220
Agent Skils
dip_tech
PRO
0
130
Agile Leadership Summit Keynote 2026
m_seki
1
670
Featured
See All Featured
Bioeconomy Workshop: Dr. Julius Ecuru, Opportunities for a Bioeconomy in West Africa
akademiya2063
PRO
1
55
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
333
22k
Organizational Design Perspectives: An Ontology of Organizational Design Elements
kimpetersen
PRO
1
470
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
508
140k
Intergalactic Javascript Robots from Outer Space
tanoku
273
27k
Design of three-dimensional binary manipulators for pick-and-place task avoiding obstacles (IECON2024)
konakalab
0
350
Skip the Path - Find Your Career Trail
mkilby
0
59
Breaking role norms: Why Content Design is so much more than writing copy - Taylor Woolridge
uxyall
0
170
AI Search: Where Are We & What Can We Do About It?
aleyda
0
7k
Speed Design
sergeychernyshev
33
1.5k
Rails Girls Zürich Keynote
gr2m
96
14k
KATA
mclloyd
PRO
34
15k
Transcript
Refactoring Legacy Applications aaronjholbrook aaronjholbrook.com no stock photography was harmed
in the making of this deck
None
None
None
None
None
None
None
Why Refactor?
Things to be careful of Refactoring just to refactor (superficial
or unnecessary) Taking on too much at once (spinning plates) Staleness (not shipping) Partial or incomplete refactor Not testing
None
Why are YOU refactoring?
Why I refactor
Comprehension
Maintainability
Simplification
Co n s i s t e n c y
Test Debug Take it slow Simplify Strategies & Techniques
File length File naming File and directory organization Namespace Strategies
& Techniques
Decouple Single Responsibility Exit Early / Exit Often Abstract complexity
Strategies & Techniques
None
None
aaronjholbrook aaronjholbrook.com Aaron Holbrook Director of Web Engineering Zeek Interactive