August 2012
Intermediate to advanced
624 pages
17h 11m
Polish
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17.17. Zachowanie N ostatnich obiektów
Problem
Chcemy zachować N ostatnich plików dziennika lub katalogów kopii zapasowej i usunąć wszystkie pozostałe, niezależnie od tego, ile ich jest.
Rozwiązanie
Należy przygotować uszeregowaną listę obiektów, przekazać ją jako parametr do funkcji, odrzucić N parametrów i zwrócić pozostałą część.
# plik receptury: func_shift_by # Pobranie określonej liczby elementów z góry stosu # i pozostawienie reszty do dalszego przetwarzania. # Wywołanie: shift_by <# liczba obiektów do zachowania> <polecenie ls lub inne> # Wynik: pozostała część stosu (listy) # # Można na przykład sporządzić listę obiektów, z których 10 # pierwszych zostanie zachowanych. # # Lista przekazywanych obiektów MUSI być przygotowana w taki sposób, ...
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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.