Author Archives: ronaldpringadi

Laravel Sail: a developer’s cheat sheet 🐳

Posted on September 25, 2023 by ronaldpringadi

Laravel ships with Sail — a thin command-line wrapper around docker compose that gives you the whole Laravel toolchain (PHP, MySQL, Redis, Mailpit, Node) in containers, without you needing to install any of them on your host. The only thing … Continue reading →

Posted in Web Development | Tagged docker, laravel, php, sail | Comments Off

GraphQL for Java Developers: What You Actually Need to Know

Posted on August 12, 2022 by ronaldpringadi

GraphQL has been on the Java back-end radar for a while, mostly as something the front-end team kept bringing up. In 2022 that shifted. Spring for GraphQL 1.0 became generally available in May. The official Spring team now provides first-party … Continue reading →

Posted in java | Tagged api, graphql, Java, spring boot | Comments Off

Apache Kafka vs RabbitMQ for Messaging in Java (and Where ActiveMQ Fits In)

Posted on August 9, 2022 by ronaldpringadi

If you’re standing in front of a whiteboard in Java land and someone has just drawn a box labelled “message queue,” you’re probably going to argue about Apache Kafka and RabbitMQ for the next forty minutes. They’ve become the default … Continue reading →

Posted in java | Tagged activemq, Java, kafka, messaging, microservices, rabbitmq | Comments Off

From ELIZA to ChatGPT: The Untold Story of How AI Learned to Talk

Posted on June 15, 2022 by ronaldpringadi

Think of the journey to Large Language Models (LLMs) not as a sudden alien invention, but as the ultimate evolution of autocomplete—the same feature on your phone that tries to guess the next word you’re typing, just grown up and … Continue reading →

Posted in Uncategorized | Tagged AI | Comments Off

Java Web Servers Compared: Tomcat, JBoss EAP, WildFly, and Spring Boot

Posted on April 12, 2022 by ronaldpringadi

If you’ve been writing Java for the web at any point in the last two decades, you’ve had to pick a web server or application server at least once. The choices haven’t changed much in name — Tomcat, JBoss, WildFly, … Continue reading →

Posted in java | Tagged Java, jboss, microservices, spring boot, tomcat, wildfly | Comments Off

Starting a Spring Boot API Microservice From Scratch With Spring Initializr

Posted on September 15, 2021 by ronaldpringadi

The fastest way to get a new Java microservice off the ground is also the most boring one, and that’s a compliment. You go to start.spring.io, click a few checkboxes, download a zip, and you have a runnable Hypertext Transfer … Continue reading →

Posted in java | Tagged Java, microservices, spring boot, swagger | Comments Off

Why Ember.js Still Makes Sense for Big Teams Building Big Apps

Posted on September 14, 2020 by ronaldpringadi

In a JavaScript world dominated by React’s flexibility and Vue’s friendliness, Ember.js can feel like the quiet older sibling who keeps showing up to work in a suit. It’s opinionated, batteries-included, and unapologetically convention-driven. Which is exactly why some of … Continue reading →

Posted in javascript | Tagged ember, frontend, microservices | Comments Off

List open or listening ports

Posted on March 29, 2019 by ronaldpringadi

You started a service, you can’t tell whether it actually bound to its port, and you want to see what’s listening — or you want to find out which process is squatting on port 8080. Two one-liners, two operating systems: … Continue reading →

Posted in Bash, Operating System | Comments Off

MongoDB Notes

Posted on March 29, 2019 by ronaldpringadi

If you’re storing binary files inside MongoDB, the convention is called GridFS. It splits each logical file into two collections: a metadata document and a sequence of binary chunks. This post is a cheat sheet for inspecting and tweaking those … Continue reading →

Posted in Database | Comments Off