November 2012
Intermediate to advanced
888 pages
54h 46m
Polish
Content preview from Ruby. Receptury
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14.18. Obsługa przesyłania plików na serwer z wykorzystaniem CGI
Podziękowania dla Mauro Cicio
Problem
Chcemy umożliwić odwiedzającym naszą witrynę wgrywanie plików na serwer WWW w celu ich przechowywania bądź przetwarzania.
Rozwiązanie
Klasa CGI zawiera prosty interfejs dostępu do danych przesyłanych przez użytkowników na serwer za pomocą mechanizmu wgrywania (upload) protokołu HTTP. Dostęp do wgranych plików można uzyskać za pomocą metody CGI#params tak samo, jak do innych zmiennych formularzy CGI.
Jeśli rozmiar wgranego pliku jest mniejszy niż 10 kilobajtów, jego zawartość jest dostępna w postaci obiektu StringIO. W innym przypadku plik jest przechowywany jako dane tymczasowe na dysku: można go odczytać z tymczasowej lokalizacji ...
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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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