[EDIT: Thanks to this post, the issue reported here has been resolved since Spark 1.4.1 – see the comments below] While writing the previous post on Spark dataframes, I encountered an unexpected behavior of the respective .filter method; but, on the one hand, I needed some more time to experiment and confirm it and, on the other hand, I knew …
Installing rJava R package in Oracle Linux
The Oracle Big Data Lite (BDLite) VM is a handy and convenient platform for testing, development, and training on the related tools and technologies, such as Cloudera Hadoop, Oracle NoSQL database, Oracle SQL Developer & Data Modeler etc. Among other things, it includes a full distribution of the Oracle R Enterprise (ORE) and the Oracle R Connectors for Hadoop (ORCH). …
ADF Calendar Implementation
One of the new projects that we are currently working on is the implementation of a complete school management solution using Oracle ADF 12c. As one might imagine, one of the basic requirements of this project was to implement a Scheduling functionality. The schedule implementation has many different aspects, but in this post we will focus on the ADF Calendar implementation that will …