August 2012
Intermediate to advanced
624 pages
17h 11m
Polish
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11.8. Obsługa stref czasowych, czasu letniego oraz lat przestępnych
Problem
Trzeba uwzględnić strefy czasowe, czas letni oraz lata przestępne.
Rozwiązanie
Zadania tego nie należy rozwiązywać własnymi metodami. Problem jest znacznie trudniejszy, niż by się mogło wydawać. Warto skorzystać z mechanizmów, które zostały już opracowane i są od lat wykorzystywane. Z bardzo dużym prawdopodobieństwem można stwierdzić, że każdy potencjalny problem związany z przetwarzaniem dat jest rozwiązany w jednej z bazujących na instrukcji GNU date i zamieszczonych w tym rozdziale receptur. Jeśli nie, z pewnością pomocny okaże się jeden z wielu doskonałych modułów języka Perl, przeznaczonych do przetwarzania dat i czasu.
Powyższe ostrzeżenia warto potraktować poważnie. ...
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