May 2012
Intermediate to advanced
768 pages
29h 21m
German
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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.
Große Datensätze in einer Datenbank verwalten
Wenn Sie große Datenbestände abfragen müssen, sollten Sie überlegen, ob Sie
sie nicht in einer Datenbank speichern. Sie brauchen nicht unbedingt einen externen
Datenbankserver zu bemühen, mit dem Paket RSQLite steht
eine Schnittstelle zur SQLite-Bibliothek zur Verfügung, mit der sich Daten in Dateien
speichern und via SQL abfragen lassen. (Das ist übrigens die gleiche Strategie, mit der
beim Bioconductor die Genom-Annotationsdatenbanken gespeichert werden.) Weitere
Informationen zur Anwendung dieses Pakets finden Sie im Abschnitt „DBI“.
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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.