Oracle OpenWorld 2017 Review sessie op 31 oktober 2017 – met aandacht voor ….
Van 2 tot 5 oktober vindt in San Francisco Oracle OpenWorld 2017 plaats. In deze week zal de nabije – en verdere – toekomst van Oracle duidelijk worden gemaakt. …
Author: Lucas Jellema
Rapid and free cloud deployment of Node applications and Docker containers with Now by ZEIT
I was tipped off about this now service from ZEIT: https://zeit.co . A cloud service with free tier that allows command line deployment of a simple static website, any …
Serverless computing with Azure Functions – interaction with Event Hub
In a previous article, I described my first steps with Azure Functions – one of the implementation mechanisms for serverless computing: Serverless Computing – Function as a Service (FaaS) …
Serverless Computing – Function as a Service (FaaS) – with Azure Functions – first small steps with a Node/JavaScript function
If your application does not have internal state – and sometimes it is handling peak loads of requests while at other times it is not doing any work at …
Creating JSFiddle for Oracle JET snippet – using additional modules
My objective in this article: describe how I (and therefore you) can use JSFiddle to create running, shared samples of Oracle JET code. This is useful for question on …
Oracle JET Nested Data Grid for presenting Hierarchical Data Sets – with cell popup, collapse and expand, filter and zoom
As part of a SaaS Enablement project we are currently working on for a customer using Oracle JET, a requirement came up to present an hierarchical data set – …
Oracle JET – Filtering Rows in Table with Multiselect and Search Field Filters
A common requirement in any web application: allow the user to quickly drill down to records of interest by specifying relevant filters. The figure overhead shows two way of …
Adding a Cross Instance, Cross Restarts and Cross Application Cache to Node Applications on Oracle Application Container Cloud
In a previous post I described how to do Continuous Integration & Delivery from Oracle Developer Cloud to Oracle Application Container Cloud on simple Node applications: Automating Build and …
Automating Build and Deployment of Node application in Oracle Developer Cloud to Application Container Cloud
A familiar story: Develop a Node application with one or more developers Use Oracle Developer Cloud Service to organize the development work, host the source code and coordinate build …
When Screen Scraping became API calling – Gathering Oracle OpenWorld 2017 Session Catalog with Node
A dataset with all sessions of the upcoming Oracle OpenWorld 2017 conference is nice to have – for experiments and demonstrations with many technologies. The session catalog is exposed …
Integrating Vue.js in ADF Faces 12c Web Application – using HTML5 style Document Import
Vue.js is a popular framework for developing rich client web applications, leveraging browsers for all they are worth. Vue.js has attracted a large number of developers that together have …
Get going with Node.js, npm and Vue.js 2 on Red Hat & Oracle Linux
A quick and rough guide on getting going with Node, npm and Vue.js 2 on a Enterprise Linux platform (Oracle Linux based on RedHat Linux) Install Node.JS on a …
Using Vue.JS Community Component in My Own Application
In a recent blog article, I fiddle around a little with Vue.JS – Auto suggest with HTML5 Data List in Vue.js 2 application. For me, it was a nice …
Machine Learning in Oracle Database – Classification of Conference Abstracts based on Text Analysis
Machine Learning is hot. The ability to have an automated system predict, classify, recommend and even decide based on models derived from past experience is quite attractive. And with …
Virtualization on Windows 10 with Virtual Box, Hyper-V and Docker Containers
Recently I started working on a brand new HP ZBook 15-G3 with Windows 10 Pro. And I immediately tried to return to the state I had my previous Windows …
Auto suggest with HTML5 Data List in Vue.js 2 application
This article shows data (News stories) retrieved from a public REST API (https://newsapi.org) in a nice and simple yet attractive Vue.js 2 application. In the example, the user selects …
First encounters of a happy kind – rich web client application development with Vue.js
Development of rich web applications can be done in various ways, using one or more of many frameworks. In the end it all boils down to HTML(5), CSS and …
Running any Node application on Oracle Container Cloud Servicer
In an earlier article, I discussed the creation of a generic Docker Container Image that runs any Node.JS application based on sources for that application on GitHub. When the …
Open Brief aan Oracle Professionals – gun jezelf twee dagen kennismaking met je toekomst – op 15 en 16 juni 2017 bij de OGH TechExperience 2017
Beste Oracle professional, Of je nu Oracle Database ontwikkelaar bent, DBA, ADF ontwikkelaar, BI specialist, of SOA Suite specialist, de nieuwsgierigheid blijft altijd kriebelen. Hoop ik. Je wilt beter …
Materials for Workshop Microservices Choreography with Kubernetes, Docker, Kafka and Node.JS
Thursday June 1st – yet another community event at AMIS. This one dedicated to Microservices. What are microservices, why do we think they are interesting? How are they different? …
Oproep aan Managers van Oracle Professionals: gun je team de Tech Experience 2017 (15 & 16 juni)
Beste Manager of Team Leider van Oracle professionals, Als je Oracle professionals in je team hebt – of dat nu Oracle DBAs, PL/SQL ontwikkelaars of middleware ontwikkelaars zijn – …
Node.js run from GitHub in Generic Docker Container backed by Dockerized Redis Cache
In a previous article I talked about a generic Docker Container Image that can be used to run any Node.js application directly from GitHub or some other Git instance …
Running Node.js applications from GitHub in generic Docker Container
This article shows how I create a generic Docker Container Image to run any Node.JS application based on sources for that application on GitHub. The usage of this image …
Sequential Asynchronous calls in Node.JS – using callbacks, async and ES6 Promises
One of the challenges with programming in JavaScript (ECMA Script) in general and Node.JS in particular is having to deal with asynchronous operations. Whenever a call is made to …
Oracle Database standard Geo Location Support using Locator (included in every edition!)
Many databases have native support for locations en geodata – and determining distance and closest locations (within a certain perimeter). Oracle Database has the Spatial Option – that supports …
Fastest creation of a Lean VirtualBox VM Image with Oracle Database 11gR2 XE, the Node.JS 7.x and the Oracle DB Driver for Node
For a workshop on Node.js I needed a VM to demonstrate and students try out the Oracle DB Driver for Node. I wanted a lean VM with the bare …
Server Sent Events from Node.js to Web Client – pushing user command line input to all Subscribed Browser Sessions
Node can push messages to browser clients, using WebSockets and the simpler Server Sent Events (SSE) mechanism. We will use the latter in this article – to push updates …
Quickest way to get going with Node.js and MongoDB – using the mongodb Node driver and a free MongoDB instance in the cloud with mLab
While preparing for a workshop on Node.js, I ran into the by far quickest way to get some a simple Node.js application running against a MongoDB database. I stumbled …
The Hello World of Machine Learning – with Python, Pandas, Jupyter doing Iris classification based on quintessential set of flower data
Plenty of articles describe this hello world of Machine Learning. I will merely list some references and personal notes – primarily for my own convenience. The objective is: get …
Smooth, easy, lightweight – Node.js and Express style REST API with Java SE
It is easy to be seduced by some of the attractive qualities of Node (aka Node.js) – the JavaScript technology that makes server side development fun again. Developing light …
The value of the Oracle PaaS Partner Community Forum
I have just returned home from the Oracle PaaS Partner Community Forum 2017 which took place in Split, Croatia. Filled with energy, inspiration, impressions, already fond memories, more understanding, …
Apache Kafka on the Oracle Cloud: My First experiences with Oracle Event Hub Cloud Service
Oracle recently made their ‘Kafka on Cloud’ service available: the Event Hub cloud service – offered as part of the Big Data Compute Cloud Service. In this article, I …
Introducing NoSQL and MongoDB to Relational Database professionals
Most enterprises have a lot of variety in the data they deal with. Some data is highly structured and other is very unstructured, some data is bound by strict …
Oracle Public Cloud – Invoking ICS endpoints from SOA CS – configure SSL certificate and basic authentication
As part of the Soaring through the Clouds demo of 17 Oracle Public Cloud services, I had to integrate SOA CS with both ACCS (Application Container Cloud) and ICS …
Getting started with Oracle PaaS Service Manager Command Line Interface (PSM)
Oracle PaaS Service Manager (PSM) provides a command line interface (CLI) with which you can manage the lifecycle of various services in Oracle Public Cloud. This opens the door …
Runtime version of Node on Oracle Application Container Cloud (0.12 vs. 6.9.1) – easy single click upgrade
Yesterday, I create a new application on Oracle Application Container Cloud. The application type is Node (fka Node.js), so the container type I had created was Node – rather …
AMIS Tools Showroom – The Sequel – Donderdag 16 maart 2017
Donderdag 16 maart 17.00-21.00 uur AMIS, Nieuwegein Aanmelden via: bu.om@amis.nl Op donderdag 16 maart vindt de tweede AMIS Tools Showroom Sessie plaats. De eerste sessie was op 13 december: …
Node.js application writing to MongoDB – Kafka Streams findings read from Kafka Topic written to MongoDB from Node
MongoDB is a popular, light weight, highly scalable, very fast and easy to use NoSQL document database. Written in C++, working with JSON documents (stored in binary format BSON), …
Node.js application using SSE (Server Sent Events) to push updates (read from Kafka Topic) to simple HTML client application
This article describes a simple Node.js application that uses Server Sent Events (SSE) technology to push updates to a simple HTML client, served through the Express framework. The updates …
Kafka Streams and NodeJS – Consuming and periodically reporting in Node.JS on the results from a Kafka Streams streaming analytics application
In several previous articles on Apache Kafka, Kafka Streams and Node.JS for interacting with Apache Kafka, I have described how to create a Node.JS application that publishes messages to …