DEVOXX 2018 ended a while ago so it’s time to get myself busy again with writing this blog, about… you’ll never guess it... KOTLIN. Before you start boooooing and shouting “NOT AGAAAAAAAIN!”. This one is...
Refactoring in Java 8? What the F**Bar are you talking about? Java 11 has been released, but still you are writing a blog about Java 8? YES! I do, I think there are still a...
Your brain is a ruthless despot. It just doesn’t want to let your ideas and thoughts out. But it has a weak spot. It’s susceptible to brain hacks. Let’s set your ingenuity free by coercing...
In a few days the whole belgian Java community will gather once again for the 17th edition of Devoxx in Antwerp. Prepare for five days filled to the max with sessions, deep dives and...
React Native is a framework that uses the same design principles as the React Framework and lets you code in JavaScript to easily create mobile applications that work on all smartphone devices. Whether it's IOS,...
When people hear the term Artificial Intelligence they generally think about robots with humanlike appearances and bad intentions. Hollywood hasn’t really helped creating a positive image towards AI if you take series like Westworld, Terminator...
Met ons vieren kwamen we maandag als ‘groentjes’ toe op Juvo, klaar voor een bootcamp van 4 weken. Klaar om onze eerste werkervaring op te doen. Het doel van de bootcamp was duidelijk: een Java...
Let me start from the beginning of Kotlin. It is a free and open source programming language designed by JetBrains. It’s been in development since 2010 and has been ready for use in production since...
The coffee-machine. A very non-intelligent tool to magically transform plain water into a delicious, nice smelling extraction of beans and spices. As well as the beauty of the coffee itself, the beauty of the machine...
Big data can be a big challenge for enterprises. Many organizations have built environments for transactional data with Relational Database Management Systems (RDBMS), but are now overwelmed with enormous amounts of new types of data....
Another year of Devoxx and that means another interesting talk of Venkat Subramaniam ! This time the topic was about the new features and additions of Java 9. One of the coolest additions...
Collections have been around since JDK2. With JDK9 a new of() method is introduced to create Lists, Sets and Maps. How does it work and what are the caveats? This blog is based on the...
Devoxx is over and overall it was a good edition. A lot of talks about AI and Kotlin , but this year I focussed myself on security. The reason why is that...
To turn data into actionable insights, companies are more and more encouraged to choose for open source data technology hosted on a cloud-based infrastructure. Thousands of open...
Thus the whole IT world talks about blockchains, the bitcoin price is as high as never (which underlying technology is a blockchain mechanism) and even Oracle has announced a new Blockchain Cloud Service ...
Most developers use the functionality of a prompt page while building reports in Cognos report studio (10.2.2 in this case). This offers a lot of advantages and it creates a smooth transition from...
The Jenkins Pipeline, or simply “Pipeline”, is a real game changer for Jenkins users and DevOps teams. Your development cycle that starts with writing code and ends with running your code in a production environment...
As a software developer we are supposed to implement the newest technology and play around with new features every day. In order to test and analyze those technologies most of the time very little POCs...
Generally you will have an ElasticSearch instance setup where your Kibana will find its information for monitoring your applications. When running your applications on-premise you will use Logstash ...
School is done, holiday is almost over and the real world is calling! You have chosen your career path and decided to take the plunge and apply for a job as an IT-consultant? Well, congratulations!...
Developing your navigation needs in default Vaadin is ok, but I thought it could be enhanced a bit. Hence the idea of creating a new addon, NavigationBuilder .
On-line analytical processing ( OLAP ) is a category of data processing solutions designed to enable fast queries against raw, structured, multi-dimensional data. OLAP offerings are available from vendors including SAP, Microsoft, IBM,...
Internet of things (IoT) is one of those buzzwords that has been around in recent years and is increasingly gaining popularity as it evolves into more...
I’ve been using OBIEE for a while now. Recently, I switched projects and learned what IBM Cognos connection 10.2.2 is all about. The views expressed here are entirely...
A use case I have encountered in more than one project concerns aggregating Strings from a database. My experience on these projects is that it turns out this is...
Whenever discussions about Data Vault happen, there is a typical tipping point in the discussion. This tipping point is “How about a performant exploitation layer”? In this blogpost I’m going to explain the problem and...
Today I learned something new on my current project. I remember I once got a question on an exam in college to build a report including all subtotals, purely in SQL. This was...
This blog post describes how to build an xml file with Informatica Powercenter, considered as a rather complicated task. So this blog post explains the basics in this matter.
Now and then I get a request to create a graph in OBIEE that touches the boundaries as to what OBIEE is capable of. A quadrant like report, in which every quadrant has a...
Gartner's October report about Operational DBMS', which are defined as systems who support plural stuctures and data types, like XML, text, JavaScript Object Notation (JSON), audio, images and video content. These systems needs to organize...
With the release of Oracle Application Express 5.0, this blog describes how to upgrade Oracle Application Express by downloading a ZIP file from the Oracle Technology Network and then downloading and installing Oracle REST Data...
Ever considered replacing your relational database with an Hadoop-cluster? At Juvo HQ we thought about this and decided to take this to the ‘mythbusters’ level! Is Hadoop really fast(er)?
Ever had that problem when, in reporting, some records just wouldn’t show because, basically, you were dealing with bad data? It happens more too often that data is loaded with empty id fields, simply...
In one of my projects, I was challenged with the fact that end users (un)intentionally submit a page more than once. As a result, multiple duplicate records are stored in the database. This kind...
Are you tired of outdated confirmation boxes popping up every time you need to approve a delete action in one of your applications? I sure am. That’s why I decided to replace them with...
One of the sessions at Oracle Open World 2014 was a session about the new features in the Oracle 12c database that can be of use for developers. The session was given by Alex...
Most recently, I was working on a project in which there was the requirement to populate multiple fields when selecting a value from an autocomplete list. This would make it possible for the end user...
A while ago, I had a request from a client that can be put sort of like this: “we want a report that shows the data, yet the accompanying graph should only show the data...
Most Java developers are familiar with Tomcat. It is a mature, lightweight and easy to use web server for Java web applications. But it still surprising how few people are aware and use some of...
This is our second article in a series featuring a hands-on experience with the Oracle Endeca Information Discovery 3.0 platform (short OEID). This post will be a brief summary of how to deploy the Getting...
This article is the first in a series featuring a hands-on experience with the Oracle Endeca Information Discovery 3.0 platform (short OEID). This post will be a brief summary of what OEID actually is, what...
Read the full report of the Gartner Analysis for the Magic Quadrant for Business Intelligence and Analytics Platforms The dominant theme of the market in 2012 was that data discovery became a mainstream BI and...
5 Tips om BI in je onderneming te implementeren. Onze kijk op Tip 2 "Analyseer Datastromen" door hier structuur in te brengen en ook "Big Data" er bij te betrekken.
The 4th BI-Day on Thursday 13th of September at the Elewijt-Center in Zemst is being organized by the BI-Community and is supported by JUVO – Vision Through Data.
“De Standaard”, one of the leading Belgian newspapers, approached JUVO for their expertise in mobile enterprise apps. The article discusses the upcoming app-economy in Belgium and tries to predict where this will be going...
Wednesday September 21st 2011, we presented our latest app at the press conference of Stella Artois Leuven Bears. Download it now via http://bit.ly/pUgbF
JUVO developed, as the official sponsor, a mobile application for the "Generali Supercup Basketball". Whether you attend the Supercup or not, the application is a must for any basketball fan.
By upgrading your OBIEE 10g rpd file to OBIEE 11g by using the ua batch program (Upgrade Assistant), you can receive some connection pool errors by viewing at the data in the physical layer.
When following the installation manual for apex 4.0.1 and installing Apex 4.0.1 with the embedded PL/SQL Gateway, a wrong url is specified in the Apex installation documentation.
With release 4.0, Oracle brings Apex to the next level. It includes new features like Plug-ins, allowing you to custom design your own item types and reuse them wherever needed. Dynamic actions make it a...
The new Oracle Enterprise Manager 11g closens the gap between Business and IT. Oracle Enterprise Manager 11g has introduced business-driven IT management to help IT deliver greater business value through three highly differentiated capabilities:
