July 2022
Intermediate to advanced
368 pages
9h 35m
German
book
Code that fits in your head - Heuristiken für die Softwareentwicklung: Komplexität reduzieren | Legacy Code beherrschen | Performance optimieren
by Mark Seeman
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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.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.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.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.
Kapitel 13: Trennung von Zuständigkeiten
Stellen Sie sich vor, Sie ändern das Datenbankschema Ihrer Anwendung, und das hat zur Folge, dass die Schriftgröße in den vom System versendeten E-Mails zunimmt.
Warum sollte die Schriftgröße der E-Mails vom Datenbankschema abhängig sein? Gute Frage. Das sollte nicht so sein.
Die Benutzerschnittstelle sollte generell keine Geschäftslogik enthalten. Der Code, der die Sicherheit gewährleistet, sollte keine Funktionen zum Importieren oder Exportieren von Daten enthalten. Dieses Prinzip wird als Trennung von Zuständigkeiten (engl. Separation of Concerns) bezeichnet. Das passt zu der folgenden Aussage von Kent Beck:
»Dinge, die sich im gleichen Tempo verändern, gehören zusammen. Dinge, die sich in unterschiedlichem ...
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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.