September 2021
Intermediate to advanced
316 pages
7h 54m
German
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4.5Variablen, Konstanten, mathematische Berechnungen, Nutzung und Zuweisung
Für komplexere Sachverhalte sind oftmals Daten zwischenzuspeichern, um sie zu einem späteren Zeitpunkt zu verwenden. Auf Basis dieser Daten können Berechnungen durchgeführt und Daten zwischen verschiedenen Bereichen ausgetauscht werden. Für diesen Zweck sind Variablen, Konstanten und mathematische Berechnungen notwendig.
Variablen
- sind Speicher für Werte
- können gelesen und geschrieben/verändert werden
- können für Berechnungen genutzt werden
Konstanten
- halten einen konstanten, unveränderlichen Wert (zum Beispiel den Wert der Zahl Pi)
- werden einmalig beschrieben
- können beliebig oft gelesen werden
Zwischen Variablen, Konstanten und Funktionsaufrufen können Verknüpfungen ...
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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.