Marcel Maas

Cloud Native Application Developer

Marcel is één van onze full-stack developers met een affiniteit met multimedia en design. Werkt met oa. Nodejs, Spring-Boot, Angular en React en laat dit landen op oa. Openshift en Kubernetes.

Techblog Blogs

Typescript 101 – optional chaining

This is the fourth post of a blog series where each post will touch a popular TypeScript method, function or feature with example. If you’re starting with TypeScript (or JavaScript)…

2 mei, 2020

Techblog Blogs

TypeScript 101 – the find() method

This is the third post of a blog series where each post will touch a popular TypeScript method, function or feature with example. If you’re starting with TypeScript (or JavaScript)…

1 mei, 2020

Techblog Blogs

Deploying your Full-Stack Webapp in awesome fashion using OCP

So lets say you’ve created a cool webapp, and now you are looking to deploy your app to a more permanent environment. For this you can use OCP (Openshift Container…

5 oktober, 2017

Techblog Blogs

Preventing refresh on MethodIterator in ADF 12c

On my current project I have a use case where a list of products needs to be retrieved. This is quite an expensive operation and could take a few seconds….

27 januari, 2015

Techblog Blogs

ADF 12C Target tag not working (ZIP_STATE_FAILED)

Recently I found out that the highly usefull af:target tag did not work for me in my project. At first glance it seemed to simply do nothing however after consulting the…

17 december, 2014

Techblog Blogs

Error: ADF_FACES-30200: The UIViewRoot is null.

Have you ever encountered this one? It might be a number of things, invalid EL expression, invalid cpx files or calling a page which cannot be found. Now I have found…

24 oktober, 2014

Techblog Blogs

Missing your data controls?

When using JDeveloper have you ever had a situation where your data controls are missing from the “Data Controls” pane? Even though you have data control definitions in your project?…

30 september, 2014

Techblog Blogs

Chatzi: A chat app using Web Sockets

In my last post we created a chat server application for Weblogic 12c. A chat server is only useful when you have an application who makes use of the chat service….

19 september, 2014

Techblog Blogs

Implementing a simple chat server using WebSockets on Weblogic 12.1.3

Since Weblogic 12.1.2 it is possible to use WebSockets in your web applications. I thought I would give this a try. In my case I am using Weblogic 12.1.3. In this…

17 september, 2014