1.
Decisions, not options.
Daryl Koopersmith, WordPress Core Developer
@darylkoop | darylkoop.com | hello@darylkoop.com

2.
“
There is never a single
right solution.
A K I N ’ S T W E L F T H L AW
O F S PA C E C R A F T D E S I G N

3.
“
There is never a single
right solution. There are always
multiple wrong ones, though.
A K I N ’ S T W E L F T H L AW
O F S PA C E C R A F T D E S I G N

4.
Heuristics

5.
“
I always say
don’t make plans,
make options.
— JENNIFER ANISTON

6.
“
ONLY IN
I always say
ROMANTIC
don’t make plans,
make options.
COMEDIES— JENNIFER ANISTON

7.
Decisions, not options.

8.
“
Everything should be made
as simple as possible.
OCCAM’S RAZOR

9.
“
It can scarcely be denied that the supreme goal
of all theory is to make the irreducible basic
elements as simple and as few as possible
without having to surrender the adequate
representation of a single datum of experience.
— ALBERT EINSTEIN

10.
“
Everything should be made
as simple as possible,
but no simpler.
— ROGER SESSIONS

11.
SECURITY

12.
“
If a plugin is insecure,
it doesn’t matter what
it’s supposed to do.
—MA R K JAQ U I T H

13.
READABILITY
ABSTRACTION

14.
“
Sacrifice DRY for readability.
CHANGESET 15795

15.
CONSIDER THE
ECOSYSTEM

16.
UX

17.
Humanize your application.

18.
DESIGN FOR THE
MAJORITY

19.
audience
know your

20.
temptation

21.
≠ HIBERNATE

22.
“
Premature optimization
is the root of all evil.
— DONALD KNUTH

23.
the balancing act

24.
TECHNICAL
DEBT

25.
we are fallible

26.
“
In the presence of good rationale,
maintainers should be willing to
change their mind often.
— H AV O C P E N N I N G T O N

27.
“
Nothing is sacred.

28.
“
Nothing is sacred except
that nothing is sacred.

29.
Step back.

30.
Think it through.

31.
Make good decisions.

32.
Make good decisions.
Daryl Koopersmith, WordPress Core Developer
@darylkoop | darylkoop.com | hello@darylkoop.com
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