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
The Bipolar Programmer
Search
Jano González
October 26, 2013
Programming
4
630
The Bipolar Programmer
My StarTechConf 2013 talk
Jano González
October 26, 2013
Tweet
Share
More Decks by Jano González
See All by Jano González
Containerizing your monolith
janogonzalez
0
460
Migrando a Microservicios
janogonzalez
1
320
Extracting services from a monolith
janogonzalez
3
270
¿Después de 10 años, realmente entiendo esta industria?
janogonzalez
3
490
Microservices in Practice
janogonzalez
7
700
Two programmers in one
janogonzalez
1
200
Ruby for your two internal programmers
janogonzalez
4
280
Ruby for Java minds
janogonzalez
4
1.1k
How Ruby Programmed Me
janogonzalez
11
530
Other Decks in Programming
See All in Programming
SQL Server 2025 LT
odashinsuke
0
140
AIの誤りが許されない業務システムにおいて“信頼されるAI” を目指す / building-trusted-ai-systems
yuya4
7
4.3k
AIエージェントの設計で注意するべきポイント6選
har1101
6
3.1k
例外処理とどう使い分ける?Result型を使ったエラー設計 #burikaigi
kajitack
16
5.2k
脳の「省エネモード」をデバッグする ~System 1(直感)と System 2(論理)の切り替え~
panda728
PRO
0
130
まだ間に合う!Claude Code元年をふりかえる
nogu66
5
930
Basic Architectures
denyspoltorak
0
190
AtCoder Conference 2025
shindannin
0
930
ゆくKotlin くるRust
exoego
1
200
ThorVG Viewer In VS Code
nors
0
670
re:Invent 2025 トレンドからみる製品開発への AI Agent 活用
yoskoh
0
620
ELYZA_Findy AI Engineering Summit登壇資料_AIコーディング時代に「ちゃんと」やること_toB LLMプロダクト開発舞台裏_20251216
elyza
2
1k
Featured
See All Featured
Evolving SEO for Evolving Search Engines
ryanjones
0
98
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.6k
Scaling GitHub
holman
464
140k
16th Malabo Montpellier Forum Presentation
akademiya2063
PRO
0
39
Product Roadmaps are Hard
iamctodd
PRO
55
12k
Leveraging LLMs for student feedback in introductory data science courses - posit::conf(2025)
minecr
0
120
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
35
3.3k
The Limits of Empathy - UXLibs8
cassininazir
1
200
Game over? The fight for quality and originality in the time of robots
wayneb77
1
78
Abbi's Birthday
coloredviolet
0
4.3k
svc-hook: hooking system calls on ARM64 by binary rewriting
retrage
1
50
Why Your Marketing Sucks and What You Can Do About It - Sophie Logan
marketingsoph
0
55
Transcript
THE BIPOLAR PROGRAMMER
$ whoami
@janogonzalez
@hop_in
A TALE OF TWO DEVELOPERS
HACKER V/S THINKER
HACKER
GET THINGS DONE
FAST
HACKS
MAINTENANCE NIGHTMARE
NEEDS MORE DUCT TAPE
THINKER
THINKS ABOUT ABSTRACTIONS
THINKS ABOUT MAINTAINABILITY
TOO MANY ABSTRACTIONS
ANALYSIS PARALYSIS
NEEDS MORE LAYERS
MY HISTORY
A TRILOGY OF MOVIES
THE HACKER YEARS
THE HACKER YEARS
THE LEARNING YEARS
THE UML YEARS
THE UML YEARS
THE HACKER WAS GONE
UML, RUP, GoF, XML, ETC.
STOCKHOLM SYNDROME
EVOLUTION?
THE ONE TRUE WAY™
THE PATH?
FEAR
I WAS SO WRONG!
EVERYDAY LIFE IS THE PATH
ENTER RUBY
SMALLTALK IN PERL’S DISGUISE
HAPPY THINKER
THINKER class AccountProtectionProxy def initialize(real_account, owner) @subject = real_account @owner
= owner end ! def method_missing(name, *args) check_access @subject.send(name, *args) end ...
OMG! GoF NEVER WAS SO EASY
HAPPY HACKER
HACKER $1 if str ~= /(foo)+/
ONE LINERS FTW!
HACKER ❤ THINKER
LET’S WORK TOGETHER
HARMONY
HARMONY (1..42).select(&:even?). map { |n| n * 2 }. reduce(&:*)
EXPRESS YOURSELF
EXPRESS YOURSELF File.open('my.txt').each do |line| puts line if line =~
/jano/ end
THE PATH
THE PATH IS NO PATH
THE PATH
WORKING TOGETHER
HACKER
EXPLORE NEW TERRITORY
THINKER
FIND ACCEPTANCE CRITERIA
DEFINE COMPONENTS
BALANCE
DELIVER VALUE V/S DIMINISH TECHNICAL DEBT
CREATIVITY V/S STANDARDIZATION
EXAMPLE
CASE STATEMENT V/S FACTORY + COMMANDS
EXAMPLE case account_type when :premium then # do stuff when
:standard then # do stuff when :personal then # do stuff end
EXAMPLE class PremiumAccount def initialize # do stuff end !
def execute(context) # do stuff end end
EXAMPLE class AccountFactory def self.create(type) name = "#{type.capitalize} Account" klass
= Kernel.const_get(name) klass.new end end
EXAMPLE AccountFactory .create(account_type) .execute(context)
IMPLICIT V/S EXPLICIT
CLARITY V/S DRY
CLARITY V/S SRP
NOW V/S FUTURE
MY HUMBLE ADVICE
LEARN ABOUT BEST PRACTICES
DON’T FOLLOW BLINDLY YOUR FUNCTIONAL GURU
DON’T FOLLOW BLINDLY YOUR OO GURU
TESTS + REFACTORING
HOW TO IMPROVE
HACKER
LEARN ABOUT OOP & PATTERNS
TRY IMMUTABILITY & SEQUENCES
DO SEPARATE RESPONSIBILITIES
THINKER
LEARN ABOUT ONE LINERS
TRY CODE GOLF
DO EVIL STUFF
EVERYONE
READ A LOT OF CODE
WRITE A LOT OF CODE
ONE LAST ADVICE
कഁ
SHU कഁ
HA कഁ
RI कഁ
None
CONCLUSIONS
RUBY GIVES YOU FREEDOM
LETS YOU STRIVE FOR BALANCE
AVOID CARGO CULT
GOOD ADVICE V/S LAWS
THERE IS NO TRUE PATH
IF YOU MEET THE BUDDHA IN THE ROAD, KILL HIM!
FOLLOW YOUR ❤
THANK YOU! ❤
IMAGES ! • http://commons.wikimedia.org/wiki/File:Yin_yang.svg • http://upload.wikimedia.org/wikipedia/commons/archive/f/ f4/20050917122925%21Janus-Vatican.JPG