COMPLEX IS EASY , ITS SIMPLE WHICH IS HARD SARAH TARAPOREWALLA - - PowerPoint PPT Presentation

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COMPLEX IS EASY , ITS SIMPLE WHICH IS HARD SARAH TARAPOREWALLA - - PowerPoint PPT Presentation

Aug 16, 2022 101 likes •681 views

COMPLEX IS EASY , ITS SIMPLE WHICH IS HARD SARAH TARAPOREWALLA TECH PRINCIPAL @sarahtarap @sarahtarap Lets Explore Complexity in the Real World 1 How does it happen? 2 The One About The Checkbox 3 The One About The Fortress 4

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COMPLEX IS EASY, IT’S SIMPLE WHICH IS HARD

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@sarahtarap

SARAH TARAPOREWALLA

TECH PRINCIPAL

@sarahtarap

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3

Let’s Explore

1

Complexity in the Real World

2

How does it happen?

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The One About The Checkbox

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The One About The Fortress

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The One About The Article

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The One about the Pricing Rules

@sarahtarap

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@sarahtarap

Complexity in the Real World

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@sarahtarap

Photo courtesy of https://www.flickr.com/photos/chiropractic/3732497731/

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@sarahtarap

Photo courtesy of https://www.lamayor.org/mayor-garcetti-unveils-new-easy-read-parking-signs

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@sarahtarap

Photo courtesy of hhttps://www.rd.com/advice/saving-money/grocery-shopping-mistakes-that-are-wasting-money/

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@sarahtarap

Photo courtesy of https://commons.wikimedia.org/wiki/File:Vein_art_near.png

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@sarahtarap

Photo courtesy of http://www.stjohnnsw.com.au/

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@sarahtarap

Photo courtesy of https://www.crowdrise.com/handsonlycpr

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@sarahtarap

CYNEFIN FRAMEWORK

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Photo courtesy ofhttps://en.wikipedia.org/wiki/Cynefin_framework#/media/File:Cynefin_framework,_February_2011_(2).jpeg

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@sarahtarap

How does it happen?

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@sarahtarap

2 6 8

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@sarahtarap

2 6 8 1 3 4

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@sarahtarap

2 6 8 1 3 4 2 5 7

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@sarahtarap

2 6 8 1 3 4 2 5 7 5 8 11

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@sarahtarap

2 6 8 1 3 4 2 5 7 5 8 11

x < y < z

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@sarahtarap

Photo courtesy of https://cdn.pixabay.com/photo/2014/03/24/17/16/brain-295291_960_720.png

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@sarahtarap

Photo courtesy of https://betterhumans.coach.me/cognitive-bias-cheat-sheet-55a472476b18

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@sarahtarap

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@sarahtarap

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@sarahtarap

The One About The Checkbox

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@sarahtarap

SIMPLE CODE MANIFESTO

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Composition Matchers Tiny Types SRP Decorators Inheritance If-Then-Else Primitives Fat Objects Mixed Concerns

  • ver
  • ver
  • ver
  • ver
  • ver
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@sarahtarap

starapor

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@sarahtarap

BOY SCOUT RULE

Photo courtesy of http://disney.wikia.com/wiki/Russell

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@sarahtarap

RED GREEN REFACTOR

REFACTOR

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@sarahtarap

RED GREEN REFACTOR

REFACTOR

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REFACTOR REVERT REFACTOR COMMIT

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@sarahtarap

Trailing commas in lists

_matcher = new Matcher<Player>
 {
 { p => p.InPenaltyBox(), ReducePenaltyTime },
 { p => p.WearingAHat(), RemoveTheHat },
 { p => true, PlayARound },
 };

Brackets { } around conditionals

public void TakeTurn(Player player)
 {
 if (player.InPenaltyBox())
 { 
 ReducePenaltyTime(); 
 }
 }

GOOD CITIZEN

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@sarahtarap

INTENTION REVEALING INTERFACES

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IFooHandler => IHandleLotsOfFoos IGameRepository => ICanFindTheGame

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@sarahtarap

SIDE-EFFECT FREE CODE

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Photo courtesy of https://xkcd.com/326/

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@sarahtarap

SQUINT TEST

Photo courtesy of https://upload.wikimedia.org/wikipedia/en/7/7b/Snellen-myopia.png

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@sarahtarap

S

Simple Code Manifesto

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@sarahtarap

The One About The Fortress

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@sarahtarap

JOB SECURITY

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Photo courtesy of https://imgur.com/gallery/08Zxbv0

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@sarahtarap

OPENNESS & COLLABORATION

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@sarahtarap

O

Openness and Collaboration

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@sarahtarap

The One About The Article

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@sarahtarap

DOMAIN DRIVEN DESIGN

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@sarahtarap

UBIQUITOUS LANGUAGE

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Photo courtesy of http://pngimg.com/download/51770

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@sarahtarap

BOUNDED CONTEXTS

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Photo courtesy of https://martinfowler.com/bliki/BoundedContext.html

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@sarahtarap

DOMAIN DRIVEN DESIGN

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@sarahtarap

DOMAIN DRIVEN DESIGN

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@sarahtarap

U

Ubiquitous Language & DDD

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@sarahtarap

The One About The Legacy

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@sarahtarap

EXPLAIN YOUR SYSTEM

Photo courtesy of http://evan.bottch.com/wp-content/uploads/2010/06/whiteboard.jpg

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@sarahtarap

SIMON BROWN’S C4 MODEL

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@sarahtarap

DESIGN-ON-A-POST-IT

Photo courtesy of http://evan.bottch.com/wp-content/uploads/2010/06/whiteboard.jpg

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@sarahtarap

P

Post-it Design

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@sarahtarap

The One About The Pricing Rules

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@sarahtarap

GENERALISE SPECIALISE

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@sarahtarap

S

Specialise to Generalise

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@sarahtarap

To Recap

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@sarahtarap

S

Simple Code Manifesto O Openness and CollaborationU Ubiquitous Language & DDD P Post-it Design S Specialise to Generalise

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@sarahtarap

SARAH TARAPOREWALLA

@sarahtarap

S

Simple Code Manifesto O Openness and Collaboration U Ubiquitous Language & DDD P Post-it Design S Specialise to Generalise

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@sarahtarap

Q&A

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THANKS FOR LISTENING

@sarahtarap | me@sarahtaraporewalla.com