Category: NodeJS

TL;DR – this article describes how Windows Sandbox can be used to prepare a well known environment for demonstrations, tutorials, tests etc. Scoop is a great package manager for …

TL;DR;  Run demonstrations or instructions of browser actions. Allow the user to pause and skip acts, and to reset and switch scenarios. Allow the user to interact with the …

Sending WhatsApp messages from services and applications has been a frequent request from our customers. It also was something I would have liked to use in workshops and demonstrations. …

This article is a follow-up to my previous article about using Azure Artifacts for own NPM modules. In that article I showed how to create a NPM module by …

Currently I am working on a customer project in which we build a lot of Azure (serverless) functions, mostly in Javascript. Sometime ago we foresaw that we need some …

I was facing a weird issue. In my Node application – version 10.6.3 – running on Ubuntu – 18.04 – I got the wrong value for the current date …

You might encounter a situation where you want to fork a script during execution. For example if the amount of forks is dependent on user input or another specific …

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 …

The Oracle OpenWorld and CodeOne 2018 conferences took place in the last week of October 2018. Together, over 1500 sessions took place. The session catalog with details for all …

TL;DR; · Graph databases are ideal for query use cases with data with complex relationships and layers of connections · Its query language is fast, efficient and allows for …

My desire: find a way to run a Node application from a Git(Hub) repository using a generic Docker container and be able to refresh the running container on the …

TL;DR: •    Using GraalVM Java applications can be compiled into native standalone executables (will be demonstrated). •    Native executables of small Java programs startup blazingly fast, use considerably less …

Put simply – CQRS (Command Query Responsibility Segregation) is an architecture pattern that recognizes the fact that it may be wise to separate the database that processes data manipulations …

The requirement is simple: a Node JS application that receives HTTP requests and forwards (some of) them to other hosts and subsequently the returns the responses it receives to …

My objective: create a Node application to download sources from a repository on GitHub. I want to use this application to read a simple package.json-like file (that describes which …

In a recent article I discussed how to programmatically fetch a JSON document with information about sessions at Oracle OpenWorld and JavaOne 2017. Yesterday, slidedecks for these sessions started …

Oracle Mobile Cloud Service has a lot of options which allows it to integrate with other services and systems. Since it runs JavaScript on Node.js for custom APIs, it …

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 …

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 …

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 …

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), …

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 …

In a recent article I described how to implement a simple Node.JS program that reads and processes records from a delimiter separated file. That is  stepping stone on the …

Frequently, there is a need to read data from a file, process it and route it onwards. In my case, the objective was to produce messages on a Kafka …

Oracle Mobile Cloud Service is a mobile backend as a service. MCS does its magic by providing a lot of features to make implementing mobile services easy such as …

There are two ways you can access Oracle NoSQL database from a Node.js application. These are illustrated below. You can use the nosqldb-oraclejs driver and you can use Oracle …

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 …

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 …

Oracle NoSQL Database is an interesting option to consider when you want a schemaless, fast, scale-able database which can provide relaxed (eventual) consistency. Oracle provides a Node.js driver for …

Oracle’s Application Container Cloud allows you to run Java SE, Node.js and PHP applications (and more is coming) in a Docker container hosted in the Oracle Public Cloud (OPC). …

I created a simple HelloWorld SOAP service running on Node.js. Why did I do that? I wanted to try if Node.js was a viable solution to use as middleware …

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 …

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. …

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 …

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 …

An article from the Oracle A-Team (http://www.ateam-oracle.com/oracle-jet-with-nodejs/) describes how to run a sample Oracle JET application on a Node.js server. I have followed the steps in that article, ran …

This article is a follow up on my previous article Linking Application Container Cloud to DBaaS – Expose REST API from node.js application leveraging node-oracle-database driver. That article describes …