I would buy this book right now if there were hard copies!

Wonderfull work. 1 000 000... congratulations !

I just want to say that this is the best content on the topic of design patterns I've found anywhere!

Bug on iPad on refactoring course

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Thanks a lot for Design Patterns!

[Translation] Беларуская мова / Беларусский язык / Belarusian

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Thanks, thanks a lot!

[Translation] O'zbekcha / Uzbek / Узбекский