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Started

Ruby Singleton using Standard Library Module Singleton

Ricardo Siqueira Oliveira Leit 2 weeks ago updated by Alexander Shvets 2 weeks ago 1
+1

nested

viktor965 2 weeks ago 0
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this is very nice representation of concepts

nagendraromeo 2 weeks ago 0
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Thanks

Feedback

Nico 3 weeks ago updated by Alexander Shvets 2 weeks ago 1
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Searching answer

enhance diagram in epub in dark mode

Piotr Kalinowski 3 weeks ago updated 3 weeks ago 2
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Under review

Gramatical Error (Ukraininan Locale)

xtreeivi 3 weeks ago updated by Alexander Shvets 4 days ago 1
+2
Thanks

I like this design

An Nguyen 4 weeks ago updated by Alexander Shvets 4 weeks ago 1
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Please add your book on Amazon.

Abhilash Srivastava 4 weeks ago 0
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Subscribe email page not in english

DavidUser 1 month ago updated 1 month ago 0
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Thanks

thank you

none 1 month ago updated by Alexander Shvets 1 month ago 1