November 2012
Intermediate to advanced
888 pages
54h 46m
Polish
Content preview from Ruby. Receptury
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15.3. Tworzenie układu nagłówka i stopki
Problem
Chcemy utworzyć nagłówek i stopkę dla każdej strony naszej aplikacji internetowej. Niektóre strony powinny mieć specjalne nagłówki i stopki, a użytkownik powinien mieć możliwość dynamicznego podjęcia decyzji o tym, jakiego nagłówka lub stopki użyć dla określonego żądania.
Rozwiązanie
W wielu aplikacjach internetowych można definiować pliki nagłówka i stopki, a następnie automatycznie włączać je (odpowiednio) na początku i na końcu każdej strony. W środowisku Rails odwrócono ten schemat: Zarówno nagłówek, jak i stopkę definiuje się w jednym pliku i włącza się do niego zawartość poszczególnych stron.
Aby zastosować taki sam układ strony w aplikacji internetowej, utworzymy plik app/views/ ...
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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.
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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.