November 2020
Intermediate to advanced
544 pages
15h 31m
Polish
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Rozdział 8. Słowniki i zbiory
Gdyby słowo w słowniku było błędnie napisane, skąd mielibyśmy to wiedzieć?
— Steven Wright
Słowniki
Słownik jest podobny do listy, ale różni się od niej tym, że kolejność zawartych w nim elementów nie jest określona i nie można się do nich odwoływać za pomocą indeksu. Zamiast tego wykorzystuje się unikatowe klucze skojarzone ze wszystkimi elementami. Kluczem jest zazwyczaj ciąg znaków, ale może nim być dowolny niemutowalny typ danych: liczba całkowita lub rzeczywista, krotka, ciąg znaków lub inny (poznasz je w dalszych rozdziałach). Słowniki są mutowalne, a więc można do nich dodawać pary klucz-wartość, usuwać takie pary i je modyfikować. Jeżeli do tej pory miałeś do czynienia z językami, w których dostępne były ...
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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.