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Grzegorz Piwowarek's user avatar
Grzegorz Piwowarek's user avatar
Grzegorz Piwowarek
  • Member for 11 years, 7 months
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4Comprehension.com

I am a passionate software engineer, trainer, and international conference speaker who cares about quality, craftsmanship, clean code and getting things done.

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7
Bank account number validation in IBAN format
Jul 27, 2014
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Bash script that can uncompress: tar, gzip, rar
May 4, 2013
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Sliding Window Spliterator in Java
Aug 23, 2018
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Cannot make filter->forEach->collect in one stream?
45
What is difference between "as" and "is" operator in Kotlin?
40
How to reverse a Map in Kotlin?
38
Docker error on an entrypoint script: "no such file or directory"
37
How to log filtered values in Java Streams