November 2012
Intermediate to advanced
888 pages
54h 46m
Polish
Content preview from Ruby. Receptury
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Rozdział 5. Hasze
Hasze (zwane niekiedy tablicami skojarzeniowymi lub tablicami asocjacyjnymi)[32] i tablice stanowią dwa podstawowe środki agregacji danych w większości nowoczesnych języków programowania. Podstawowy interfejs hasza podobny jest do interfejsu tablicowego. Jedną z podstawowych cech odróżniających tablice od haszów jest sposób identyfikowania ich elementów: podczas gdy elementy tablicy identyfikowane są indeksami w postaci (kolejnych) liczb całkowitych, elementy hasza mogą być identyfikowane za pomocą dowolnych obiektów.
Tablice i łańcuchy obecne są w językach programowania od dziesięcioleci, natomiast wbudowana obsługa haszów jest wynalazkiem stosunkowo niedawnym. Musiała się jednak w końcu pojawić, ze względu na ogromną ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.