https://ctxt.io/
https://ideaboardz.com/
https://www.menti.com

books

1. Refactoring
2. Xunit patterns
3. Refactoring to patterns
4. clean code
5. Working Effectively with Legacy Code
6. implemenatation patterns
7. Domain Driven Design
8. beautiful code
9. Pragmatic Programmer
10. effective Java
11. inside c++ object model
12. Solid Code
13. https://www.amazon.com/Building-Your-Own-Compiler-C/dp/0131821067

design

p22. vehicle
p27. formatting
p23 error
p6. Invoice TaxType
p19.Tax (polymorphism)
p25. Data Flag
p29. Repository
p21. encryption
p20. save
p2. account undo
p1. stop watch
p16. Statemachine
p24. CA
p11. Stock Broker
p3. DbCommand,DdConnection
p18. student course
p9. SADlg, CADlg, SADao,CADao
p14. Extendable Family
p4. Flow Chart Traversal , Pipes and Filter
p13. GameObject
p12. JobHandler
p8. Stack, List, Queue
p7. AccountType - multi dimension
p10. Account Enrichment
p5. Rule Engine
p15. Log library
p17. clone

Vertical and Horizontal: Two Approaches to the Decorator Pattern