0 R and the Oracle database: Using dplyr / dbplyr with ROracle on Windows 10
R uses data extensively. Data often resides in a database. In this blog I will describe installing and using dplyr,…
Author Maarten Smeets
Maarten Smeets
Maarten is a Senior Oracle Integration Consultant with focus on Oracle Fusion Middleware, Java and Continuous Integration / Continuous Delivery. In 2015 he was nominated ACE Associate. Over the past 10 years he has worked for numerous customers in the Netherlands where he has implemented integrations and streamlined software delivery processes. Maarten is passionate about his job and likes to share his knowledge through publications, frequent blogging and presentations.
0 Oracle Mobile Cloud Service (MCS): Overview of integration options
Oracle Mobile Cloud Service has a lot of options which allows it to integrate with other services and systems. Since…
0 Oracle Mobile Cloud Service (MCS) and Integration Cloud Service (ICS): How secure is your TLS connection?
In a previous blog I have explained which what cipher suites are, the role they play in establishing SSL connections…
0 SSL/TLS: How to choose your cipher suite
For SSL/TLS connections, cipher suites determine for a major part how secure the connection will be. A cipher suite is…
0 Oracle SOA Suite: Want performance? Don’t log so much and clean up your database!
The Oracle SOA Suite infrastructure, especially composites, use the database intensively. Not only are the process definitions stored in the…
0 Oracle SOA Suite: Two-way SSL with TLS1.2 made easy (slightly less complicated)
Transport layer security (TLS) is not an easy topic. Many blogs have been written about this already. Surprisingly though, I…
0 R: Utilizing multiple CPUs
R is a great piece of software to perform statistical analyses. Computing power can however be a limitation. R by…
1 Oracle Mobile Cloud Service (MCS): An introduction to API security: Basic Authentication and OAuth2
As an integration/backend developer, when starting a project using Mobile Cloud Service, it is important to have some understanding of…
0 Machine learning: Getting started with random forests in R
According to Gartner, machine learning is on top of the hype cycle at the peak of inflated expectations. There is…
0 Oracle SOA Suite: Find that composite instance!
When executing BPM or BPEL processes, they are usually executed in the context of a specific entity. Sometimes you want…
0 Oracle Service Bus: Produce messages to a Kafka topic
Oracle Service Bus is a powerful tool to provide features like transformation, throttling, virtualization of messages coming from different sources.…
0 Oracle Service Bus: Pipeline alerts in Splunk using SNMP traps
Oracle Service Bus provides a reporting activity called Alert. The OSB pipeline alerts use a persistent store. This store is…
2 Ubuntu VM in VirtualBox: How to increase the size of a disk and make small(er) exports for distribution
Sometimes I create a VirtualBox disk for usage in a VM with a certain size. I think it will be…
0 WebLogic Server: Logging the SOAP action in the access.log
WebLogic Server allows you to customize your access.log. This can be very powerful if you want to monitor for example…
0 Oracle Mobile Cloud Service (MCS). Implementing custom APIs using JavaScript on Node.js
Oracle Mobile Cloud Service is a mobile backend as a service. MCS does its magic by providing a lot of…
0 WebLogic Server: Automate obtaining performance metrics from the DMS
Oracle provides the Dynamic Monitoring Service (DMS) as part of WebLogic Server which is extremely useful if you want to…
0 Oracle Service Bus: A quickstart for the Kafka transport
As mentioned on the following blog post by Lucas Jellema, Kafka is going to play a part in several Oracle…
0 Sonatype Nexus 2.x: Using the REST API to clean-up your repository
Sonatype provides Nexus. An extensive artifact Repository Manager. It can hold large amounts of stored artifacts and still requests get…
2 Sonatype Nexus 3.0. Using the new Groovy API
Sonatype Nexus 3.0 does not have the REST API which was available in Nexus 2.x (see the discussion here). This…
0 Oracle NoSQL Database 4.x and the Node.js driver 3.x
There are two ways you can access Oracle NoSQL database from a Node.js application. These are illustrated below. You can…