August 2012
Intermediate to advanced
624 pages
17h 11m
Polish
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10.4. Definiowanie funkcji
Problem
W wielu fragmentach tworzonego skryptu konieczne jest umieszczenie instrukcji wyświetlających komunikat o sposobie użycia skryptu (wyświetlających informację o poprawnej składni polecenia). Nie chcemy jednak wielokrotnie powielać tego samego polecenia echo. Czy nie można tylko raz zdefiniować odpowiedniego bloku kodu i posługiwać się jedynie odwołaniami do niego? Oczywiście, istnieje możliwość zdefiniowania niezależnego skryptu wyświetlającego komunikat i wywoływania go w dowolnym miejscu pierwotnego skryptu, ale ta technika wymaga utworzenia dwóch plików. Poza tym użytkownik mógłby uznać za dość dziwne rozwiązanie, w którym informacje o wykorzystaniu danego skryptu są generowane przez inny skrypt. Czy nie ma ...
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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.