April 2020
Intermediate to advanced
506 pages
20h 7m
Polish
Content preview from Go
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110 Rozdział 3.
Podsumowanie rozdziału
Rozdział 3.
Funkcje fmt.Printf i fmt.Sprintf
formatują przekazane do nich wartości.
Pierwszym argumentem powinien być łańcuch
znaków formatowania zawierający instrukcje
formatowania (%d, %f, %s itd.) zastępowane
wartościami.
W instrukcji formatowania można podać
długość, czyli minimalną liczbę znaków
zajmowanych przez sformatowaną wartość.
Na przykład instrukcja %12s powoduje
utworzenie 12-znakowego łańcucha
(dopełnianego spacjami), %2d tworzy
dwucyfrową liczbę całkowitą, a %.3f oznacza
liczbę zmiennoprzecinkową zaokrągloną
do trzech miejsc po przecinku.
Jeśli chcesz, aby w wywołaniach funkcji
przyjmowane ...
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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.