Perth Code Dojo 5

Transcript

1. Perth Code Dojo 5 @willwebst #CodeDojo
2. Check-In ➔ Your name ➔ What do you want for Christmas? ➔ Do you believe in Santa?
3. Code Dojo Format A Coding Dojo is a coding session centered around a programming challenge. The dojo provides a safe place to learn and experiment away from the pressures of business delivery. All programmers of varying skill levels meet as equals to learn and share.
4. Software Craftsmanship “Deliberate practice is closely related to the attained level of performance of many types of experts” - Dr. K. Anders Ericsson
5. Dojo Rules ➔ Paired Programming ➔ Simple Design ➔ Test Driven Development ➔ Refactoring
6. XP Practices ➔ Test Driven Design ◆ Red - Green - Refactor ◆ Keep the unit small ◆ DESIGN / Design by contract ◆ Flow
7. XP Practises ➔ Benefits ◆ More extensible and maintainable solutions ◆ Quality improvements / cost of defects ◆ Automated builds ◆ Peer reviews / pairing ◆ Confidence to refactor ◆ Coverage ◆ Legacy code
8. XP Practises ➔ Disadvantages / challenges ◆ Requires buy in ◆ Learning curve ◆ Purest approach ◆ Overly loose coupling ◆ Not always productive ◆ Potential overconfidence ◆ Tests require maintenance / refactoring
9. Pomodoro ➔ Pomodoro Technique ◆ 25 mins on, 5 mins off ◆ http://tomatoi.st/perthcodedojo ➔ Four iterations
10. Retro & Pizza Closing with Pizza and a mini retrospective ➔ Share solutions on the big screen ➔ Discuss challenge / approach ➔ Feedback on the dojo
11. Polite Notice Please respect each others commitment. During a Pomodoro. ➔ No Facebook ➔ Mobile phones ➔ Etc.
12. Have Fun! Most importantly have fun! ➔ Drinks are available - help yourselves
13. Objective Given a word list, containing one word per line. Find all the combinations of each word which are anagrams.
14. Objective Examples: Webster - bestrew Software - forwaste
15. Objective Think about the algorithm approach • Simplest • Fastest Test First!
16. Find Anagrams http://codekata.com/data/wordlist.txt Find all the anagrams contained within the list for each word
17. Begin! 25 mins
18. Stop! 5 mins
19. Remove Acronyms Remove any non-words • ACB • BBSes • BMW's
20. Begin! 25 mins
21. Stop! 5 mins
22. Remove Non-English Remove any words which contain non-UFT8 characters • étagères • Ångströms • Österreich's Remove an names - starting with uppercase
23. Begin! 25 mins
24. Stop! 5 mins
25. Thank You - Dave Thomas Credit goes to @PragDave / Ruby community for this Katak Check out - http://codekata.com/ Great source for Code Katas.
26. Thank you sponsors! Code - http://github.com/burlistic Slides - http://speakerdeck.com/burlistic @willwebst
27. Mini Retro How did everyone find the exercise? Small break for Christmas. See you in 2015! Next up - Decoupling Logic from the UI