Cron, not as easy as expected?
Few days ago I was confronted with the situation that a refresh job failed. The job is supposed to run every Saturday morning at 07:00, but failed due a …
Category: Software Development
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 …
Building a high-performance API using GPT-4
March 11, 2024
Technology, Artificial Intelligence (AI) and LLM, Software Engineering, Tools
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Can the power of GPT-4 be leveraged to build a high-performance API? In this article we will instruct GPT-4 to build a high-performance API in GoLang using Protocol Buffers …
Github Copilot getting started, a practical developer guide
GitHub Copilot has captured the attention of developers worldwide, promising a revolutionary shift in the way we write code. While the concept sounds enticing, many developers are left wondering, …
Using GitHub Copilot in IntelliJ IDEA
At the beginning of this month, at AMIS, I attended a Special Interest Group (SIG) meeting about GitHub Copilot, given by one of my colleagues. As we do so …
Meesterschap Onthuld: Wat Topchefs en Coders Gemeen Hebben!
Op het eerste gezicht lijkt het alsof koken en softwareontwikkeling twee totaal verschillende werelden zijn. Maar laten we eens dieper graven en ontdekken of er toch verrassende overeenkomsten schuilen …
The Art of Programming– The Advent of Code Programming Puzzle Marathon
Just over three weeks ago, a colleague told me about The Advent of Code 2023. She explained how for 8 years every year in days and weeks leading up …
Platys – generate a customized container powered Data Platform environment
Platys is a tool created by Guido Schmutz, architect and data specialist at Accenture and frequent teacher at various universities. In order to be able to quickly create an …
Try out NocoDB–open source low code database backed application development in Gitpod workspace
That is a long title. In this article, I introduce a Gitpod workspace (cloud based ephemeral development environment) in which you can try out NocoDB – an open source …
No Install, free polyglot Apache Kafka environment in ephemeral development environment with Node, Java, Python and Go
Click on a button- or this link. Wait about four to five minutes. You will have access to a free cloud based environment with a three-broker-node Apache Kafka Cluster, …
Quick to run, free and ephemeral RStudio instance on Gitpod
Triggered by an assignment my son had to do for one of his university courses – and given the fairly light weight laptop we have him work with – …
How Cheppy thrills and acceleraties us at AMIS–and what it does not yet do
February 16, 2023
AMIS, Artificial Intelligence (AI) and LLM, Digtial Innovation, Software Development
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ChatGPT is a bit of a “tongue twister” so I will speak of Cheppy. AMIS has a long history of spotting, exploring, embracing and rolling out new concepts and …
How to install Bitwarden with added security in AWS
Introduction I used LastPass for several years, and it helped me a lot to access my passwords and secrets on any moment, from multiple devices, in a secure way. …
Five part article series introducing Go on OCI
Go – sometimes Golang because internet searching for just “go” is quite impossible – is a popular programming language. It was initially launched in 2012 and as been gaining …
GitHub Copilot reduces writing Java boilerplate to two simple comments
GitHub Copilot helped me write a Java application to process a CSV file. Not a hard task – though one that in Java always feels much harder than in …
Running OpenTelemetry Demo in Gitpod Workspace–two click install
Recently the OpenTelemetry project launched a demo application that demonstrates many aspects of instrumentation, metrics and trace gathering, providing insight across multi-service, multi-technology application stacks and in general how …
Gitpod workspace for instant Dapr explorations
I have prepared a Gitpod wokspace definition that allows me to start a fresh development environment with the latest release of Dapr (dapr.io) installed as well as supporting containers …
Which tools and technologies are new and exciting, proven, growing stale–report from Devoxx 2022
October 14, 2022
Architecture, Cloud, Frontend technology, Kubernetes, Software Development
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A conference such as Devoxx is a great opportunity to get inspired into trying out tools and technologies that may not or only be vaguely be known as they …
Reflections from Devoxx 2022–on software engineering today
End of day two. So many topics already were presented, demonstrated, discussed, tried out to and by me. This article is just a very brief overview of what caught …
One click free browser based Oracle Database environment with Gitpod
This article describes how you can run your very own Oracle Database from your browser using Gitpod. With a free account (50 hours Gitpod use per month), you can …
First steps with Gitpod – great for try out, quick open source contributions and for workshops
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 – …
Build JHipster application for and Run on Docker or Podman
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 …
Creating a minimal container image for a Go application
How hard can it be – to create the smallest possible container image to run a Go application? It is not hard to create a container image that contains …
Marrying Fn Functions to Dapr.io–leverage the power of the proxy
Project Fn provides a framework for creating and running serverless functions. It is the foundation for the Functions service on Oracle Cloud Infrastructure. Dapr.io is an open source project …
Merge AVRO schema and generate random data or Java classes
Previously I wrote about generating random data which conforms to an AVRO schema (here). In a recent use-case, I encountered the situation where there were several separate schema files …
Java: How to validate JSON against an AVRO schema
AVRO schema are often used to serialize JSON data into a compact binary format in order to for example transport it efficiently over Kafka. When you want to validate …
Generate random JSON data from an AVRO schema using Java
Recently I was designing an AVRO schema and wanted to test how data would look like which conformed to this schema. I developed some Java code to generate sample …
Update Go on Linux
It turned out to be a fairly small deal. For reference sake a brief write up of updating the Go runtime on my Ubuntu environment. Current version: go version …
Connecting Go application to Oracle Database–On Prem and Autonomous , with and without Oracle Client libraries
I have been struggling a bit with this one: how to connect from a Go application to an Oracle Database – both a locally running database as well as …
Did I really just commit and push a file with a password in it?–Remove all traces of pushed Git commit
Surely I would never be so stupid as to commit a file that contains sensitive information – say my Oracle Cloud account’s private key. And even if I did, …
Submitting my Custom Dapr State Component as a formal Open Source Contribution–work in progress
I have used many open source products in my professional life. I have not studied the sources of many of these products and projects. My main contributions to the …
A quick and easy Apache NiFi development environment
Vagrant can be used to quickly create development environments in for example VirtualBox, VMWare or Hyper-V. I decided to use Vagrant to create a quick Apache NiFi development environment. …
Extending Local Dapr Development Environment for Custom Components
In a previous article I described how I prepared my local development environment from working with the source code of the Dapr project – locally editing, building and running …
Customizing Dapr–preparing my environment
In other articles I will write about the value of Dapr – as a personal assistant to any application that helps out with state, configuration and secrets, receiving inbound …
Run and Access GUI inside VS Code DevContainers
VS Code DevContainers allow us to easily configure and run a container with our development tech stack for the specific project or product we are working on – and …
VS Code Extension–GistPad–for quick gist creation, editing and consumption
Gists are the code snippets that you want to retain and share – with yourself and with others. Gists can be embedded in websites, blog articles and articles on …
Visual Studio Code–the Code Tours extension for in context and interactive readme
The most popular IDE – VS Code – comes with a ton of extensions, and each can make life easier, more productive and more fun for developers. Recently I …
OCI DevOps Build Pipeline for Functions
Oracle Cloud Infrastructure offers the Functions service, a FaaS offering with serverless functions, based on container images built with the Project Fn FDK. In a previous article, I introduced …
Cleaning Out a Compartment on Oracle Cloud using Terraform provider
The situation: a Compartment on OCI should be removed. Or at least all its resources should be purged. Or at least most of the resources should be removed. The …
OCI DevOps–Build Pipelines and Code Repositories for CI
This article introduces Build Pipelines and Code Repositories in OCI DevOps (released on October 26th 2021) – complementing the Artifact Registry and Deployment Pipelines that were first launched in …