This document discusses various software development practices and principles. It addresses topics like best practices, context, goals, pair programming, Don't Repeat Yourself (DRY), microservices, test-driven development (TDD), spikes and stabilizing features. For each topic it outlines benefits and tradeoffs, emphasizing that there are no universal best practices and everything needs to be considered in its specific context by questioning assumptions.

1. Warum „Best Practices“?
Checklist by Icons fest from the Noun Project

2. Kontext
Crown by Marco Livolsi from the Noun Project
Voraussetzungen
Ziele

3. Unterschiede der Kontexte?
Problem
Praktik
magnifier by Artem Yurov from the Noun Project

4. Trade Off!
Scale by jai from the Noun Project

5. "Advantage Bias"
pros and cons by Mitchell Eva from the Noun Project

6. Pair Programming
Ziele
pros and cons by Mitchell Eva from the Noun Project
Bessere Qualität
Schleifenvermeidung
Wissen teilen

7. Trade Off
pros and cons by Mitchell Eva from the Noun Project
Bessere Qualität
Schleifenvermeidung
Wissen teilen
Scale by jai from the Noun Project
Opportunitätskosten

8. Standard Aufgaben
pros and cons by Mitchell Eva from the Noun Projectyawning by Sewon Park from the Noun Project
als Pairing Antikontext

9. Standard Aufgaben
pros and cons by Mitchell Eva from the Noun Projectyawning by Sewon Park from the Noun Project
Geringe Anforderungen an Qualität
Kaum Potential für Schleifen
Wenig zu lernen
Nichts Unbekanntes

10. Don’t Repeat Yourself
(DRY)
…
System.out.println("Alice");
System.out.println("Bob");
System.out.println(„Carol");
}
Normalisiert
DRY
Duplication
WET
…
log("Alice");
log("Bob");
log("Carol");
}
void log(String message) {
System.out.println(message);
}

11. Microservices
WET
Entkoppelte Teams
SOA
DRY
Enterprise Data Model
Service Reuse
2000 2010 2020

12. Service
Intern
Trade Off
DRY
Normalisung
Entkoppelt
Replizierte Daten Kopplung
Zwischen
Services

13. TDD
RED GREEN
REFACTOR

14. Spike & Stabilize*
RED GREEN
REFACTOR
* Dan North https://medium.com/ingeniouslysimple/building-features-with-spike-stabilise-1906a9006a87
Validieren
in Prod

15. Feature behalten?
Validieren
in Prod
JA NEIN
Trash by Wilson Neto from the Noun Project
Spike & Stabilize*
RED GREEN
REFACTOR

16. Feature
hohe Unsicherheit
pros and cons by Mitchell Eva from the Noun Project
???

17. Feature
hohe Sicherheit
pros and cons by Mitchell Eva from the Noun Project
p>90%

18. "There is no such thing as Best Practice!"
?
Forbidden by b farias from the Noun Project
Checklist by Icons fest from the Noun Project

19. Trade Off!
Scale by jai from the Noun Project
Hinterfrag Allheilmittel!
magnifier by Artem Yurov from the Noun Project

20. Hinterfrage Alles!Warum?

21. License
Creative Commons-ShareAlike 3.0

22. Images
are
from Noun Project
and attributed directly on the
slides they are used on