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 …
Author: Lucas Jellema
A2H Integration–integrating with humans using Email and Excel
B2b, B2C, Application-2-Application integration – I have been active in data integration scenarios for many years. Typically real time, high volume and increasingly asynchronous. And virtually always fully automated. …
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 …
Automated and Rapid Creation of Non-Production Oracle Databases for Test and Development
The production database is the holy grail of any organisation or at least any microservice or business application. The data and the current structures and definitions of the database …
Tutorial: Building a simple Web Application with Vue (for absolute beginners)–focus on result and fun
I have created a tutorial “Building a web application with Vue”. You will find it here in a GitHub Repo. It is targeted at people who – like me …
Inspect, Develop and Run Web Applications & Node backend in your browser with StackBlitz
If I had not seen it, I doubt I would have believed it. If you click this link you will open a StackBlitz workspace right in your browser. You …
De OV9292 App als live reisadviseur
Ik maak met enthousiasme gebruik van OV9292. Ik geef aan waar ik wil zijn en waarvandaan ik ga reizen. Ik geef aan hoe laat ik wil vertrekken of aankomen. …
Conclusion Code Café–Workshop Web App development with Vue 3 (for absolute beginners)–Tuesday 22nd of August
Speaker: Lucas Jellema (four weeks of Vue3 experience)Language for this session: EnglishDate: Tuesday 22nd AugustTime: 17.00-20.30 CET Location: Conclusion Utrecht, Herculesplein 80, 16th floor / Digital via Teams Target …
Return of the "Web Jedi"– rekindle my web development fire
I started web development in the ’90s. Plain HTML and JavaScript, some images and perhaps a little bit of CSS. Static websites. I have made quite a journey since …
Tegenvallende klantervaring door matige business logica IT
Dit is een verhaal over mijn ervaringen als klant van een leasemaatschappij. Of misschien als belanghebbende (want mijn werkgever is de klant). Een verhaal op twee niveaus: de klantervaring …
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, …
Graph Database style explorations of relational database with Formula One data– Oracle Database 23c Property Graph
The core Formula One data could be represented in a graph like this: Drivers compete in races that are hosted on circuits. A result is achieved by the driver …
Oracle Database 23c as Graph Database–SQL Property Graph for network style querying
I bet you are used to relational data structures that you query using SQL. And so do I. And there is nothing in terms of data that a good …
Live Handson Environment for Modern Oracle Database Programming
My fellow Oracle ACE Directors and former AMIS-colleagues Patrick Barel and Alex Nuijten have co-authored an impressive book: The book discusses many of the wonders of SQL and PL/SQL …
Get Going with SQL Developer against Oracle Database 23c Free
In an earlier article, I showed how to quickly get going with an Oracle Database 23c Free instance in a Gitpod workspace – cloud based, ephemeral, quick start, zero …
Oracle Database 23c–Fine Grained Locking–Lock Free Reservations
This should surprise if not baffle you. Session 1 inserts a record and commits it. Session 1 performs an update on this record. And does not yet commit its …
Get going with Oracle Database 23c Free
A new major Oracle Database release is a special occasion. I joined Oracle in May 1994 just after the Oracle7 release (December 1993) although I worked with Oracle6 for …
Maandag 20 maart– open Code Café– open source password manager Bitwarden, Git for Nerds–Fundamentals & Apache Superset data visualization
Op maandag 20 maart vindt weer een Code Café plaats waarin we tools en technologie bespreken en uitproberen. Tussen 17 en 20.30 staan drie onderwerpen op de agenda, eten …
The team has agreed …– the power of suggested recollection
I am not normally a cynic. I trust people’s good intentions. However, I am a little suspicious when an argument in favor or against a specific way of doing …
Extending Steampipe OCI Plugin with an OCI resource type table
I have written about Steampipe before. And I have stated how much I like this idea of using SQL to access data on cloud resources (and many other types …
Visual Dashboard on Oracle Cloud Infrastructure using Apache Superset and Steampipe
In addition to the OCI Console, there are many ways to inspect the status of Oracle Cloud resources – including the OCI CLI, Terraform, Grafana OCI Plugin, REST API, …
Analyze and Visualize data from any cloud and anywhere with Apache Superset and Steampipe
Apache Superset is an open source end user tool for analyzing and visualizing data. Dozens of chart types are available out of the box, dashboards can be created, finetuned …
Getting started working with Apache Superset – the open source data exploration and visualization platform
Apache Superset is an open source platform for data exploration and visualization. It can be described as an open, free alternative for Microsoft PowerBI, Tableau, Qlik and Oracle Analytics …
News Flash: OCI DevOps – Deployment runner for Shell Stage
Oracle Cloud Infrastructure DevOps is a service I have written about on several occasions. The OCI DevOps service provides an Artifact Repository, Git Code repositories, Build Pipelines and Deployment …
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 …
Mont Blanc is [not] the highest mountain–risk of local optimization
The best solution may not be the best solution. Depending on the scope in which you consider the alternatives, you may arrive at the wrong conclusion. Consider only the …
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 …
OCI Function Parameters based on Vault Secrets–an enhancement request
OCI Functions are powerful components in a cloud native world. Triggered by events and direct requests, these functions are engaged to perform a specific task. Which could be almost …
Use it .. or lose it. On Application and Feature decommissioning
“Can we let go of that office building?” (we pay rent, utilities, furniture – is that still necessary or justified) “Well, I believe Chris is still making use of …
Dynamic Configuration of Terraform plans and Stacks in Oracle Cloud Infrastructure
Some of the data used by Terraform to create cloud resources is sensitive and should not be stored in plain text in source code repositories. Examples are passwords, client …
Terraform – injecting local and remote Configuration Data
This article describes how a Terraform plan can read configuration data at plan and application time from local or remote JSON documents to provide dynamic, easily and centrally maintainable …
Many ways to provision Oracle Cloud Resources using Terraform
Terraform is used for automated provisioning of resource on Oracle Cloud Infrastructure. Resources are defined in HCL – the DSL used in Terraform for describing infrastructure – and these …
Create Terraform Stack and Apply it to Provision Resources on Oracle Cloud Infrastructure
Terraform is the tool of choice for automated provisioning of cloud resources on Oracle Cloud Infrastructure (IaC). In two recent articles, I have demonstrated how to create a plan …
Terraform Modules, For-Each, File Set on Oracle Cloud
The creation of cloud resources on Oracle Cloud Infrastructure is ideally done as Infra as Code using Terraform (plans). No hands need to touch the console, no permissions need …
Terraform from Cloud Shell for OCI resource creation through Infra as Code
The creation of cloud resources on Oracle Cloud Infrastructure is ideally done as Infra as Code using Terraform (plans). No hands need to touch the console, no permissions need …
Delayed Delivery in OCI Queue Service–time based message release
Messages published to an Oracle Cloud Infrastructure (OCI) Queue may not immediately be intended for consumption. It is a not uncommon requirement to make messages available for consumption only …
Generic OCI Resource manipulation with OCI CLI Raw Request
I should have been aware of it – but I was not. The generic OCI CLI Raw Request option – the uniform approach to any OCI resource query or …