Programming Tutorials

Inversion of Control (IoC) and Dependency Injection (DI) are related concepts, but they are not the same thing. Question. Is Dependency Injection the

Building a Unix-Domain-Socket IPC server for ECS-on-EC2 services that need to talk fast, cheap, and reliably A while back I was looking

How a shared filesystem became the cheapest, fastest outbox I've ever built — and why FSx for OpenZFS is the version of that idea that finall

JDK 26 Pitfalls: Why CPU-Bound Tasks are Killing Your Virtual Threads In JDK 26, teams are blindly migrating entire microservices to virtua

Apache Tomcat 9 reached end of life on December 31, 2025. No more security patches. No more CVE fixes. Every vulnerability disclosed from January 1, 2

Have you ever clicked: Back Forward inside a browser? That feature works efficiently because the system can move in both directions. A Doubly L

I Built a Production-Style RAG Backend — Focused on What Happens When Things Break Most RAG tutorials show you the happy path. Ingest docu

Understanding Fields in Java: Static vs Non-Static Introduction In Java programming, variables play a crucial role in storing an

Overview Joget can send notification emails through its built-in email tool, but some projects need to call an external email API and inclu

1. Overview This article shows a Joget BeanShell pattern for item-level task delegation. Instead of reassigning an entire process blindly,

1. Overview This article shows how to trigger a new Joget workflow process from BeanShell. The script finds a target process definition, re

1. Overview This article shows how to generate a dynamic HTML report in Joget using BeanShell. The script reads an HTML template, loads rel

Disclosure: I maintain Open Investigator at Arvanta Cyber. A suspected Java memory shell is an awkward incident-response starting point. You may not

1. What is a linked list? A linked list is a chain of nodes, where each node holds a value and the address of the next node. think of a lin

1. Overview Sometimes a Joget process must be ended from a custom action, for example when a request is withdrawn or cancelled. This articl

1. Overview Joget grid fields often store rows as JSON. This article shows a BeanShell pattern for reading JSON grid data from one form rec

1. Overview Policy, contract, SOP, and certificate records often need reminders before they expire. This article shows a Joget BeanShell pa

RestTemplate is a synchronous Spring Framework client used to consume RESTful web services by simplifying HTTP communication. Synchronous Communicatio

FHIR Patient Resource: A Developer's Guide to Modelling Indian Patients in HMIS The FHIR Patient resource is the foundation of every health

You've probably seen a tutorial that goes: "int stores numbers, String stores text, boolean is true or false — moving on!" And then you're left writin