0 Calling out from Java to JavaScript (with call back) – leveraging interoperability support of GraalVM
Interoperability from Java to JavaScript has been an objective for the Java community for quite a while. With Rhino and…
0 Getting started with Windows Subsystem for Linux, Ubuntu and Docker
Starting with a vanilla Windows 10 environment, it took just a few simple steps to get going with Linux on…
0 PostgreSQL EDB College Tour
Welke dingen zijn van cruciaal belang voor een eenvoudige, foutloze installatie en implementatie van Postgres SQL? Wil je meer weten…
0 Ordering rows in Pandas Data Frame and Bars in Plotly Bar Chart (by day of the week or any other user defined order)
I have time series data in my Pandas Data Frame. And I want to present an aggregation of the data…
0 Changing the configuration of an Oracle WebLogic Domain, deployed on a Kubernetes cluster using Oracle WebLogic Server Kubernetes Operator (part 1)
At the Oracle Partner PaaS Summer Camp IX 2019 in Lisbon, held at the end of August, I followed a…
0 Introduction to Oracle Machine Learning – SQL Notebooks on top of Oracle Cloud Always Free Autonomous Data Warehouse
One of the relatively new features available with Oracle Autonomous Data Warehouse is Oracle Machine Learning Notebook. The description on…
0 Convert Groupby Result on Pandas Data Frame into a Data Frame using …. to_frame()
It is such a small thing. That you can look for in the docs, no Stackoverflow and in many blog…
1 Dissecting Dutch Death Statistics with Python, Pandas and Plotly in a Jupyter Notebook
The CBS (the Dutch Centraal Bureau Statistiek) keeps track of many thing in The Netherlands. And shares many of its…
0 Loading Data into Always Free Oracle Autonomous Data Warehouse Cloud – from JSON and CSV to Database Table
In a number of recent articles, I have described how to provision an instance of Oracle Data Warehouse Cloud in…
0 Oracle Data Visualization Desktop Connecting to Oracle Cloud Always Free Autonomous Database
Oracle Cloud now offers the Always Free Tier that comes with an always free Autonomous Data Warehouse (up to 20…
3 Connect local SQL Developer to Oracle Cloud Autonomous Database (Always Free Tier)
In a recent article I described how to provision an instance of Oracle Cloud Autonomous Data Warehouse in the recently…
0 Oracle Cloud Always Free Autonomous Data Warehouse – steps to get going
Last month, Oracle announced it’s Cloud Free Tier on Oracle Cloud Infrastructure (OCI). This free tier offers several services (compute,…
0 Deploying an Oracle WebLogic Domain on a Kubernetes cluster using Oracle WebLogic Server Kubernetes Operator
At the Oracle Partner PaaS Summer Camp IX 2019 in Lisbon, held at the end of August, I followed a…
0 Calling an Oracle DB stored procedure from Spring Boot using Apache Camel
There are different ways to create data services. The choice for a specific technology to use, depends on several factors…
0 AndrIoT, an internet of things enabled phone, part 1
Our mobile phone these days are real powerhouses! They are packed with tons of connectivity, cpu power, ram, storage and…….Sensors!!!!…
1 Highlights from Oracle OpenWorld 2019 – Larry Ellison’s Key-Notes
This article gives some brief and key insights in Larry Ellison’s keynote presentation on Oracle Cloud Infrastructure at Oracle OpenWorld…
0 Downsizing the Data Set – Resampling and Binning of Time Series and other Data Sets
Data Sets are often too small. We do not have all data that we need in order to interpret, explain,…
0 Using Elastic Stack, Filebeat (for log aggregation)
In my last article I described how I used ElasticSearch, Fluentd and Kibana (EFK). Besides log aggregation (getting log information…
0 Prepare Jupyter Notebook Workshop Environment through Docker container image and Bootstrap Notebook
Earlier this week, I presented a workshop on Data Analytics. I wanted to provide each of the participants with a…
0 Microservice framework startup time on different JVMs (AOT and JIT)
When developing microservices, a fast startup time is useful. It can for example reduce the amount of time a rolling…