What about SOLID principles?

Different method name on pseudo code of Factory method

ebook design pattern (builder pattern) : constructor and reset method in CarManualBuilder class

Typo in in design pattern ebook banner

Excellent presentation ! very simple for understanding to new user

Please start a forum to discuss our design related questions

Офигенный сайт. Крайне качественная работа!

Smell-specific refactoring code examples instead of generic ones?

Is there a chance a flash-card-like functionality will be added to better internalize gained knowledge?

(minor) Typo for form template method technique