Gitpod.io is a SaaS for software developers (that can also be used in self-hosted mode on Kubernetes). Gitpod makes workspaces available — typically based on a Git repository — with tools to develop and build software. A workspace is an ephemeral (not long lasting) Linux environment that I can access…

Based on the fascinating Twitter thread by Philipp Salvisberg covering the presentation by Gerald Venzl at DOAG 2022 I would like to mention a few of the features that apparently will be part of Oracle Database 23c — the new Long Term Support release (succeeding 19c) that has a beta…

There are two public cloud. AWS and Azure. That is not actually the case — but that is how sometimes it may seem. A third cloud is frequently listed alongside the two main players. A cloud that has made serious efforts to be seen by developers and architects. By somehow…

For the Open Day we organize shortly for our family, friends, neighbours and other interested parties, my colleagues create a custom web application to support our QR Scavenger Hunt through the offices and surrounding premises. …

Running “docker compose” in a VM on Oracle Cloud Infrastructure is perhaps not the ideal way to go — which probably would be OKE (Kubernetes) in order to benefit most from modern container infrastructure features and leverage the underlying VMs the most. However, sometimes falling back on what works and…

My challenge: replicate changes from database A to database B, once per day. The tables involved are pretty big (100M records). I really would not want to process them all into database B. However, the tables do not have a LAST_DATE_MODIFIED column that has a timestamp that is updated with…

Front end development can be an art. An almost pixel by pixel design, a careful crafting UX or even CX. And there is a time and place and technology set for that. And there is a range of front end applications that may not require or even justify that same…

This article shows you can quickly get started with a free, managed PostgreSQL database with a table full of country data (using ElephantSQL). ElephantSQL is a hosted, managed PostgreSQL service from the team that also provides CloudKarafka and several other nice services. It is a breeze to get going. The…

A step-by-step guide on how to use Supabase for persistence and server-to-client push in a vanilla HTML/JavaScript web app. — Supabase provides a cloud-based backend service to web applications. That means that any (static) web application can use Supabase for user authentication and data persistence. Supabase provides a server-to-client push notification service and it has server-side serverless functions that can, for example, handle webhooks (triggers from many different internet services)…