November 2012
Intermediate to advanced
888 pages
54h 46m
Polish
Content preview from Ruby. Receptury
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Rozdział 2. Liczby
Liczby mają tak fundamentalne znaczenie dla obliczeń komputerowych, jak oddychanie dla ludzkiego życia. Nawet programy zdające się nie mieć nic wspólnego z matematyką i tak muszą wykonywać rozmaite operacje „liczbowe”, jak zliczanie elementów struktury, wyświetlanie średniego czasu wykonania czy symulowanie losowego zachowania. Ruby znacznie ułatwia programiście operowanie liczbami, pozwalając mu w większym stopniu skoncentrować się na istocie rozwiązywanego problemu.
Odwiecznym problemem programistycznym są różne implementacje „liczb” w językach programowania, optymalizowane pod kątem różnych zastosowań: 32-bitowe liczby całkowite, liczby zmiennopozycyjne itp. Ruby w dużym stopniu skrywa te subtelności przed programistą, ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.