November 2020
Intermediate to advanced
544 pages
15h 31m
Polish
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Rozdział 16. Dane w pudełku, czyli trwałe zapisywanie
Kardynalnym błędem jest snucie teorii niepopartych danymi.
— Arthur Conan Doyle
Aktywny program wykorzystuje dane zapisane w pamięci RAM (ang. Random Access Memory — pamięć o swobodnym dostępie). Pamięć ta jest bardzo szybka, ale też droga i wymagająca ciągłego zasilania, ponieważ w razie jego utraty cała zawartość pamięci jest tracona. Dysk jest wolniejszy niż pamięć, ale ma większą pojemność, jest tańszy i zachowuje zawartość nawet po wyciągnięciu przewodu zasilającego z gniazdka. Programiści muszą trwale zapisywać dane na nieulotnych mediach, takich jak dyski. Twórcy systemów komputerowych włożyli wiele wysiłku w znalezienie właściwego kompromisu pomiędzy dyskiem a pamięcią.
Ten rozdział ...
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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.