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Building Applications
That Last
Voxxed Days Singapore 2018
Kris Howard aka @web_goddess
⚠
"
December 1996
December 1996
6 months
2 years
3 years
3 years
3 years
3 years
4 years
4.5 years
5 years
5 years
5 years
Fast forward 14 years…
19 years
So what to do?
LEGACY
CODEBASE
#
Legacy Software
$ Rewrite it completely $
OR

⛵ Incremental redevelopment ⛵
Why to Rewrite
• The code is a mess.
• The application is slow.
• The code is ugly.
• We’ll get it right this time!
• We picked the wrong platform.
Characteristics
• Ability to evolve over time
• Separation of concerns
• Use of standard languages
• Minimising of dependencies
• Simple, readable code
• Fault-tolerance and fast recovery
Back to my story…
Wordpress?
Best practices
• Coding standards and code reviews
• Static analysis tools
• Defensive programming
Best practices
• Coding standards and code reviews
• Static analysis tools
• Defensive programming
• Property-based testing
Best practices
• Coding standards and code reviews
• Static analysis tools
• Defensive programming
• Property-based testing
• The Campsite Rule
• Documentation
Thanks!
@RoaldDahlFans
roalddahlfans.com
Kris Howard
@web_goddess
web-goddess.org

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