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90
Challenge Yourself
Coding Katas: Refactoring, Testable Design
New Language: TypeScript, Java, Kotlin, SQL, C#, Clojure, Swift, ...
Communication: Explain stuff to [non-technical] others
Reasoning: Start a pet project, contribute to Open-Source
Economics: Think about starting a business](https://image.slidesharecdn.com/softwarecraftsmanshipcodecampfestival2022-220519152736-7afe84ab/75/Software-Craftsmanship-Code-Camp-Festival-2022-pdf-76-2048.jpg)
Uploaded byVictor Rentea
Software Craftsmanship @Code Camp Festival 2022.pdf
The document discusses the evolution of software craftsmanship and its importance in developing a technical culture among developers. It emphasizes the need for collective code ownership, continuous learning, and adapting to changing technologies to enhance developers' adaptability and effectiveness. Key concepts include overcoming overspecialization, promoting agile practices, and fostering environments that encourage collaboration and knowledge sharing.
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Software Craftsmanship @Code Camp Festival 2022.pdf
- 1. Software Craftsmanship –Growing a Technical Culture victor.rentea@gmail.com ♦ ♦ @victorrentea ♦ VictorRentea.ro
- 2. Hi, I'm VictorRentea Java Champion – drinking since 2006 Trainer – 3000+ devs in 80+ companies Speaker – Conferences & Meetups Hibernate Spring FP Java Performance Secure Coding Reactive Architecture Clean Code Unit Testing
- 3. (paid stuff) Hibernate Spring AdvancedFP Architecture Clean Code Unit Testing Masterclass Company Training Video Lessons @victorrentea VictorRentea.ro victorrentea@gmail.com Java Performance Secure Coding Reactive victorrentea.ro/community Join My Community Bucharest Software Craftsmanship Community (4000+ devs) YouTube Channel youtube.com/user/vrentea
- 4. VictorRentea.ro 5 A bit ofhistory
- 5. VictorRentea.ro 6 At the beginningthere were only Craftspersons
- 6. VictorRentea.ro 7 They had todo everything Most were women But then, it all changed… Craftsmanship Craftsperson
- 7. VictorRentea.ro 8 A Gentle Introductionto Conflicts and Toxicity in IT
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- 11. VictorRentea.ro 12 Admins vs Devs Admins hatechange Developer’s job is to change things Developers without admin rights on their machines Restricted software, email blocking 😶 Zip>Encrypt>Base64encode>Email Aberrations
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- 13. VictorRentea.ro 14 DBA vs Dev DBA= profession invented in 2000s by Oracle “Keep everything IN DB” “DB is a detail” Conservative A (worse) Extreme: Let's rewrite it all in noSQL
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- 16. VictorRentea.ro 17 Isolated Communities Open vsProprietary Languages Static vs Dynamic Languages Game studios NodeJS devs reinventing a lot
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- 18. VictorRentea.ro 19 If you askfrontends...
- 19. VictorRentea.ro 20 If you askfrontends...
- 20. VictorRentea.ro 21 If you askbackends...
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- 23. VictorRentea.ro 24 The Triad ofWaste Android + iOS + Web Companies reimplement similar UI 3 times Different teams 3x more bugs
- 24. VictorRentea.ro 25 Sometimes, even inthe same system…
- 25. VictorRentea.ro 26 Functional Programming Rocks 🤘 Sometimes,even in the same system…
- 26. VictorRentea.ro 27 Choose One 27 Procedural Object-Oriented Functional Programming Each has itspros/cons: master all and mix them to KISS
- 27. VictorRentea.ro 28 FE Dev Tester DBA SysAdmin BE Dev iOSDev Android Dev FP Dev OOP Dev
- 28. VictorRentea.ro 29 All of thismeans one thing
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- 30. VictorRentea.ro 31 Overspecialization Slow projects Large teams Lowtruck factor # developers that if you loose, the project has serious problems leads to
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- 33. VictorRentea.ro 34 Collective Code Ownership Youlearn all aspects of your project You can help in any area You don’t delegate You control You have Power Responsibility
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- 35. VictorRentea.ro 36 Don't aim tobecome a Full-Stack Expert ∄
- 36. VictorRentea.ro 37 A Java developerlooking at npm install https://twitter.com/garrows/status/1065217184643768320
- 37. VictorRentea.ro 38 The "T" ShapedDeveloper eam starting point: "I" Shaped Developer
- 38. VictorRentea.ro 39 Why Full-Stack? Technologies change;learning keeps you flexible Better welded teams You are more useful, adaptable, thu$ earn mor€ Learning calms down egos
- 39. VictorRentea.ro 40 Full-Stack Life You fixthe real problem, not patch over it You keep the code simple (KISS) You pick the right tools for the job You become pragmatic But you have to learn
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- 41. VictorRentea.ro 42 “What to Learnnext?” Master technologies of your current project Deepest learning happens on the job Study hard the bugs🐜 you find Keep looking for alternative designs
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- 43. VictorRentea.ro 44 Other walls totear down?
- 44. VictorRentea.ro 45 No Ambiguity CanPass Through Them Humans – Developers – Machine Developers are special
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- 49. VictorRentea.ro 56 Are you Agile? Yeah,but, you know, we do SCRUM… A kind of.. We have sprints Agileish, we move fast Transitioning...
- 50. What is Agile? The Developer
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- 55. VictorRentea.ro 62 Software Craftsmanship restores thefocus on the lost technical practices
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- 57. 64 © VictorRentea.ro atraining by I will NOT ship SH*T I will only push with reliable tests I will not harm a colleague
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- 60. VictorRentea.ro 67 Skills of aCraftsperson ● Talk to customers directly ● Understand the real business problem ● Propose solutions (not only coding) ● Break the problem into small user-centric stories ● Design UI flow ● Write working code ● Write automated tests to avoid regressions ● Evolve the system architecture by refactoring ● Deploy the system to the end users (“DevOps”) Classic software developer
- 61. 68 © VictorRentea.ro atraining by What's my next step? ( (some ideas)
- 62. VictorRentea.ro 69 You have abug. You reproduce it. You fix it => 😊. Write a failing Unit Test 🔴 for it! 💪 ... Then, you fix it è🟢 test
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- 65. VictorRentea.ro 73 The Lack ofRefactoring
- 66. VictorRentea.ro 74 Underdesign Emerging Architecture thatnever emerges Lack of Knowledge Lack of Skills è Lack of Practice ç
- 67. VictorRentea.ro 75 Problem The performance ofyour daily programming activities does not give you room to learn by making mistakes. It’s as if you’re always on stage.
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- 69. VictorRentea.ro 77 But who owns yourcareer? They don't give me time to learn. I see. 😧
- 70. VictorRentea.ro 78 Reflect on yourhow you Work
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- 73. VictorRentea.ro 81 81 Coding Kata No Rush NoRisks Aim for Perfection Reflect on HOW you work = Practice Not Production Code Refactoring Test-Driven Development Testing Legacy Code
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- 76. VictorRentea.ro 90 Challenge Yourself Coding Katas:Refactoring, Testable Design New Language: TypeScript, Java, Kotlin, SQL, C#, Clojure, Swift, ... Communication: Explain stuff to [non-technical] others Reasoning: Start a pet project, contribute to Open-Source Economics: Think about starting a business
- 77. VictorRentea.ro 91 But all thisrequires Continuous Learning
- 78. VictorRentea.ro 92 Growing a Cultureof Learning Start a book📚 club : debate 1 chapter / week Brown-bag session 🍔 – present your problem Rotate Project ↔ Hackathons 🌙 – technical or business Group Code Reviews 👨🦰👨🦱🧔🧔 Establish Communities of Practice (eg React ⚛ Guild) Motivate people to share/teach others Join a Craftsmanship Community http://victorrentea.ro/community 🌟Pair-Programming: planned or ad-hoc As a senior/lead/head/manager/CTO:
- 79. VictorRentea.ro 100 Craftsmanship means morethan just loving to code But it usually starts with that
- 80. VictorRentea.ro 101 Juniors are eagerto write more code Seniors can’t wait to delete it
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- 82. VictorRentea.ro 103 We don’t justwrite code We solve problems
- 83. VictorRentea.ro 104 Take-Aways 🍔 • StudyCode Smells, Clean Code & Refactoring • Write 1000 unit tests • Solve a Kata twice https://kata-log.rocks/ • Pair/Mob Program start with 2h/week • "I" shaped to "T" shaped : fuller-stack • Engage customer more
- 84. VictorRentea.ro 105 First Half Chapter3 + links Exercises Entry-Level More books: https://victorrentea.ro/blog/books-about-technical-culture/
- 85. VictorRentea.ro 106 Thank you! Let's keepin touch Training for you: victorrentea.teachable.com ♦ For your company: VictorRentea.ro Join the largest Software Craftsmanship Community in Eastern Europe victorrentea.ro/community