Memo-recorder app on persistent OCI backend
I have create a simple web application for recording short notes that I want to save for later processing. Each note consists of a timestamp and location, a label …
Category: JavaScript
Create Interactive World Map to Visualize Country Data
Data associated with countries is fairly common. Presenting such data in the form of world map that shows the countries and presents the associated data through a color is …
JavaScript: Mapping and Wrapping Classic Callback Functions to Promises and Async / Await
Callback functions used to be very common in JavaScript and Node applications. Out of necessity. And with Callback functions came unclear program flows, parallel realities, nested complexity and more. …
Dynamic tabs with Angular 6+ and ng-bootstrap
One of our Angular applications required the use of dynamic tabs. Since the project already uses ng-bootstrap components and bootstrap for the styling, I decided to use the tabset …
The Pipelined Pancake Party – demonstrating the Power of Parallelization and Pipelining in JavaScript with Promises and Asynchronous Generators
This article is an attempt to demonstrate the performance gains – and programming elegance – that is at our disposal with the advent of asynchronous generators in ES 2018 …
JavaScript Pipelining using Asynchronous Generators to implement Running Aggregates
As of ES 2018 (recent browsers or Node 10), JavaScript support asynchronous generators. Generators are functions that return a set of values, one value at a time. These values …
Quickly setup a persistent React application
After having recently picked up the React framework, I figured I’d share how I quickly setup my projects to implement persistence. This way you spend minimal time setting up …
5 main building blocks of the new Visual Builder Cloud Service
In may 2018 Oracle introduced the new version of Visual Builder Cloud Service. This version is not just aimed at the Citizen Developer, in the end an experienced JavaScript …
Getting ADF Data in a Jet Component (2)
In my previous blog I explained how to get ADF Data in a Jet Component, this was done by iterating through a ViewObject and rendering a component per element …
Getting ADF Data in a Jet Component (1)
Oracle JET has been around for a while, and at this moment we are investigating what it would take to integrate JET with our existing ADF Application. In the …
Karma testing with code coverage for Oracle JET part 2
In part one of this series of blogs you set up the configurations needed to start testing your Oracle JET application. Grab the project you made, now it is …
First steps in deploying Node.js on Heroku
Recently, I used Heroku to deploy a website in the great wide open! In this blogpost I want to tell about my first steps using Heroku, including the rookie …
Login with OAuth2.0 using AngularJS 1.5 componentrouter and Node.js
For one of my projects I need my users to log in to an 3rd party api (in my case strava) using oauth2.0 Framework of choice: AngularJS 1.5 in …
Node.js: A simple pattern to increase perceived performance
The asynchronous nature of code running on Node.js provides many interesting options for service orchestration. In this example I will call two translation services (Google and SYSTRAN). I will …
Using Angular2 on top of Oracle 11g
Adding Angular 2 to an existing ADF application Reality sometimes can be a bit surprising. The desire to build a new module using Angular 2 on top of an …
Intro into ServiceWorkers
The first baby steps.. This is the first of a three part blog series. Each of these blog posts explain a small part of the ServiceWorker API. In this …
Caching with a ServiceWorker
Next up, caching.. This is the second part of a three part blog series. You can find the first part here. In this part, we will talk about caching. …
My first NodeJS service
Microservices implemented in JavaScript running on NodeJS are becoming quite popular lately. In order to gain some experience with this, I created a little in memory NodeJS cache service. …
Create an oracledb enabled Node.js application container
In my previous article, First setup of a connection from Node.js to an Oracle Database, I demonstrated how to make a connection to a remote database using Node.js and …
First setup of a connection from Node.js to an Oracle Database
In this article I will demonstrate how to make a connection to a remote Oracle database from Node.js running on linux 7. We will be using the node-oracledb module …
How to: Use Polymer Webcomponents in Angular2
This post explain how to use a polymer webcomponent in an Angular2 app. We use the google maps component as an example. For instructions on the demo app, see …
Setting environment variables using Gulp.
For the project I am working on we have three different environments, which have their own database and users. We don’t want this login credentials to be in our …
Integration Workload Statistics (IWS) on untyped JSON and JavaScript in Composites
Oracle SOA Suite 12.2.1 introduces Integration Workload Statistics. This is a powerful new feature which can be used to do performance measures. Oracle SOA Suite 12.2.1 also introduces untyped …
SOA Suite 12.2.1: A first look at end-to-end JSON and JavaScript support in SOA Composites
SOA Suite 12.2.1 introduces end-to-end JSON support in composites and support for JavaScript in composites. The REST-binding (which can be used by Service Bus, BPEL, BPM) can receive and …
Oracle JavaScript Extension Toolkit (Oracle JET) – announced at OOW15
November 2, 2015
AMIS, Frontend technology, JavaScript, Oracle, Web HTML5 CSS3, Web/Java
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Javascript is the most popular programming language* and its usage has grown 25% in the past year**. It’s widely used and so it stands to reason that Oracle now …
Automatic error handling in AngularJS
In demos and tutorials we only care about the happy-flow of our applications. That is ok, because we only run that code in our own little predictable environment and …