Blog & Patterns

Article•July 19, 2026•Software Engineering

What Is Identity and Access Management (IAM)? A Beginner's Explanation

A beginner friendly walkthrough of IAM covering authentication vs authorization, identity providers, and the standards and platforms that power modern access control.

Read Article

Chronological Archive

Article•July 19, 2026•Software Engineering

Are Roles the Same as Identities in IAM? A Clear Breakdown

A breakdown of identity, identifiers, and roles in Identity and Access Management, covering identity types, the identity lifecycle, and why a role is a permission bundle, not an identifier.

Read Article

Article•July 11, 2026•Software Engineering

Authentication vs Authorization: Security Best Practices

Learn the key differences between authentication and authorization, plus security best practices for passwords, sessions, JWTs, and access control.

Read Article

Article•July 3, 2026•Business

KPIs Explained: The Dashboard Numbers That Actually Run a Business

Understand the KPIs that actually run a business, revenue, profit, churn, CAC, CLV, and more, each with the question it answers and the exact math behind the calculation.

Read Article

Article•July 3, 2026•Business

Data Visualization Is Not Decoration, It Is Business Storytelling

Learn why great charts are business storytelling, not decoration. A visual guide to choosing the right chart type, from line and bar charts to pie charts and scatter plots, that actually drives decisions.

Read Article

Article•July 3, 2026•Business

How Money Really Flows Through a Business

Learn how money really flows through a business using a simple coffee shop example. Understand revenue, expenses, profit, cash flow, assets, and liabilities in plain language, no accounting jargon required.

Read Article

Article•July 3, 2026•Business

Data Analysis Is Not About Tools, It Is About Reading a Business Through Its Data

Learn how to think like a data analyst by turning raw business data into real decisions. A step by step guide to asking the right business questions, defining metrics, spotting patterns, and driving action from data.

Read Article

Article•July 3, 2026•Business

What Is Data, Really? Understanding How Businesses Turn Real Life Into Records

Discover what data really is and how businesses generate it every day. A simple, visual guide to structured vs unstructured data, records, fields, entities, and relationships, explained through real business examples.

Read Article

Project•July 1, 2026•Systems

Rubik's Cube Algorithm Development Framework

A modular Python framework for developing, testing, and benchmarking Rubik's Cube solving algorithms with automatic algorithm discovery, standard cube notation, state tracking, debugging utilities, and a plugin based architecture.

Read Article

Project•July 1, 2026•Systems

Dynamic island on windows

A native Windows 11 overlay that replaces default toast notifications with an animated, iOS inspired Dynamic Island pill, built in .NET 8 with direct WinRT and Win32 integration for real time notification listening and native toast suppression.

Read Article

Project•July 1, 2026•Architecture

Workflow Automation Platform with plugin based architecture

A plugin-driven workflow automation platform that enables users to visually build, execute, and extend automated workflows through a drag-and-drop editor. Built on a microkernel architecture, the system supports hot-pluggable integrations, concurrent event processing, and seamless connectivity between services such as Gmail, Slack, Telegram, WhatsApp, and AI-powered automation tools.

Read Article

Case Study•July 1, 2026•Research

AI-Powered Individual Contribution Scoring for Team Software Projects | Final Year Research

Team projects have a grading problem: everyone gets the same mark, no matter who actually did the work. For my final year research, I'm building an AI system that reads GitHub commits and Scrum board activity to measure what each student really contributed, including effort, consistency, code quality, collaboration, and even whether they understand the code they wrote, and turns it into a fair, explainable score instructors can trust.

Read Article

Case Study•July 1, 2026•Microservices

When One Service Fails, the Rest Keep Running: The MediCare Architecture

A microservices healthcare platform handling patient records, appointment booking, telemedicine, billing, and AI assisted symptom checking, built as eight independent Spring Boot services behind a single NGINX gateway and deployed through Kubernetes.

Read Article

Project•July 1, 2026•Architecture

Microservices Healthcare Platform on Kubernetes

MediCare is a microservices healthcare platform built with Spring Boot, React, and Kubernetes, handling patient records, appointments, telemedicine, and billing.

Read Article

Case Study•July 1, 2026•Architecture

Building an AI Summarized Email Alert Workflow with Gmail, Gemini, and Telegram

An automated email triage workflow that watches a Gmail inbox, summarizes incoming messages with Gemini AI, and fans the summary out to Telegram, a persistent log file, and a desktop notification, all built as a single flow on the visual canvas.

Read Article

Project•June 30, 2026•Web Systems

Ecolife

A wildlife tourism platform that simplifies trip planning, tour reservations, wildlife discovery, and conservation engagement through a single, user friendly experience.

Read Article

Case Study•June 30, 2026•Python

AI-Generated 3D Solar System

A 3D solar system generated from a single text prompt using ChatGPT-4o, demonstrating TriSense's core pipeline, turning plain language into a structured scene graph and rendering it live in the browser, with accurate planet ordering and reasonable relative scale.

Read Article

Project•June 30, 2026•Web Systems

Fine System

A digital traffic violation management platform that streamlines fine issuance, online payments, performance tracking, and operational reporting across drivers, law enforcement officers, and administrators.

Read Article

Project•June 30, 2026•React

Product Management

A product management dashboard that helps users manage products efficiently and gain real time insights through an intuitive and data driven interface.

Read Article

Project•June 30, 2026•fullstack

theatre booking system

A theatre booking system that enables users to discover movies, check seat availability, and book tickets online while allowing administrators to manage movies, showtimes, bookings, and system operations through a centralized dashboard.

Read Article

Project•June 30, 2026•fullstack

tripma

A comprehensive flight and travel booking platform that enables users to search and reserve flights, plan multi-destination trips, explore travel destinations, and manage bookings through a seamless and modern travel experience.

Read Article

Project•June 30, 2026•React

Digital Marketplace Havest Lanka

A digital marketplace platform that connects farmers and buyers, enabling fair produce trading through bidding, real-time price transparency, and a streamlined listing system for agricultural goods.

Read Article

Project•June 30, 2026•React

User Management System

A full stack user management system that streamlines employee, department, EPF, and administrative data management through a centralized dashboard with real time analytics and structured organizational control.

Read Article

Project•June 30, 2026•HTML, CSS, JavaScript, JAVA

Wizard Shopping

A full stack e-commerce shopping platform that enables users to browse products, manage selections, and simulate online purchasing through a structured and interactive web experience.

Read Article

Project•June 30, 2026•React

Nexa Web

A full stack educational platform that connects students, tutors, institutions, and donors through a role based learning ecosystem, enabling course management, lesson delivery, and community driven education with secure authentication and scalable architecture.

Read Article

Project•June 30, 2026•React Native

Nexa App

A cross-platform educational mobile application built with React Native and Expo that connects students and tutors through interactive courses, real-time chat, quizzes, and personalized learning experiences powered by a role-based learning ecosystem.

Read Article

Project•June 30, 2026•React

Smart Cycle

Smart Cycle is a modern, responsive frontend for an intelligent waste management and recycling system. Built with React and Vite, it provides intuitive interfaces for Residents, Drivers, Personnel, and Admins to manage schedules, donations, and recycling operations efficiently.

Read Article

Project•June 30, 2026•Python

TriSense

TriSense is an AI-powered spatial computing platform that transforms natural language descriptions into real-time interactive 3D environments. By combining Google Gemini 1.5 Pro with Three.js and WebGL, it allows users to generate fully structured scenes—from architectural layouts to object-level compositions—simply by describing what they want. The system interprets spatial relationships, object hierarchies, and design intent, then renders them dynamically in the browser with smooth animations and real-time updates via WebSockets.

Read Article

Article•June 30, 2026•Microservices

Building Async CV Microservices with RabbitMQ & OpenCV

An in-depth look at bridging Node.js APIs and Python OpenCV models asynchronously. Learn how to prevent blocking CPU cycles and scale facial recognition systems.

Read Article

Article•June 28, 2026•Architecture

From Monolith to Event-Driven Microservices: An Architectural Blueprint

A comprehensive case study on refactoring legacy, tightly coupled monolith architectures into decentralized, highly performant microservice ecosystems using Node.js, Spring Boot, and RabbitMQ.

Read Article

Article•May 12, 2026•DevOps

Stop SSH-ing Into Production: Build Nginx & Docker CI/CD

Why manual deployments are a risk and how to construct zero-downtime deployment loops using Jenkins, GitHub Actions, Nginx reloads, and container orchestration.

Read Article

Sathsara K.

What Is Identity and Access Management (IAM)? A Beginner's Explanation

Chronological Archive

Are Roles the Same as Identities in IAM? A Clear Breakdown

Authentication vs Authorization: Security Best Practices

KPIs Explained: The Dashboard Numbers That Actually Run a Business

Data Visualization Is Not Decoration, It Is Business Storytelling

How Money Really Flows Through a Business

Data Analysis Is Not About Tools, It Is About Reading a Business Through Its Data

What Is Data, Really? Understanding How Businesses Turn Real Life Into Records

Rubik's Cube Algorithm Development Framework

Dynamic island on windows

Workflow Automation Platform with plugin based architecture

AI-Powered Individual Contribution Scoring for Team Software Projects | Final Year Research

When One Service Fails, the Rest Keep Running: The MediCare Architecture

Microservices Healthcare Platform on Kubernetes

Building an AI Summarized Email Alert Workflow with Gmail, Gemini, and Telegram

Ecolife

AI-Generated 3D Solar System

Fine System

Product Management

theatre booking system

tripma

Digital Marketplace Havest Lanka

User Management System

Wizard Shopping

Nexa Web

Nexa App

Smart Cycle

TriSense

Building Async CV Microservices with RabbitMQ & OpenCV

From Monolith to Event-Driven Microservices: An Architectural Blueprint

Stop SSH-ing Into Production: Build Nginx & Docker CI/CD

Sadeesha Sathsara

Topics & Modules

Newsletter Subscriptions

Sathsara K.

What Is Identity and Access Management (IAM)? A Beginner's Explanation

Recommended Articles

Are Roles the Same as Identities in IAM? A Clear Breakdown

Authentication vs Authorization: Security Best Practices

KPIs Explained: The Dashboard Numbers That Actually Run a Business

Chronological Archive

Are Roles the Same as Identities in IAM? A Clear Breakdown

Authentication vs Authorization: Security Best Practices

KPIs Explained: The Dashboard Numbers That Actually Run a Business

Data Visualization Is Not Decoration, It Is Business Storytelling

How Money Really Flows Through a Business

Data Analysis Is Not About Tools, It Is About Reading a Business Through Its Data

What Is Data, Really? Understanding How Businesses Turn Real Life Into Records

Rubik's Cube Algorithm Development Framework

Dynamic island on windows

Workflow Automation Platform with plugin based architecture

AI-Powered Individual Contribution Scoring for Team Software Projects | Final Year Research

When One Service Fails, the Rest Keep Running: The MediCare Architecture

Microservices Healthcare Platform on Kubernetes

Building an AI Summarized Email Alert Workflow with Gmail, Gemini, and Telegram

Ecolife

AI-Generated 3D Solar System

Fine System

Product Management

theatre booking system

tripma

Digital Marketplace Havest Lanka

User Management System

Wizard Shopping

Nexa Web

Nexa App

Smart Cycle

TriSense

Building Async CV Microservices with RabbitMQ & OpenCV

From Monolith to Event-Driven Microservices: An Architectural Blueprint

Stop SSH-ing Into Production: Build Nginx & Docker CI/CD

Sadeesha Sathsara

Topics & Modules

Newsletter Subscriptions