--- title: "Okoroafor Kelechi Divine (@ZipDemon) | Hashnode" description: "I execute codes. Not people. Read the latest articles by Okoroafor Kelechi Divine on Hashnode." url: "https://hashnode.com/@ZipDemon" --- @ZipDemon # Okoroafor Kelechi Divine @ZipDemon · Nigeria · Joined July 2021 I execute codes. Not people. [Website](https://okoroaforkelechidivine.github.io/portfolio/) ### [Day 4 Week 1: Getting Started with Machine Learning and Java](https://zipdemon.hashnode.dev/day-4-week-1-getting-started-with-machine-learning-and-java?utm_source=hashnode&utm_medium=feed) It’s just another framework, right? Because I know all the Java frameworks, Apache, Spring, Cloud APIs, Docker, Kubernetes, and so on. It should be straightforward. Welcome! I'm Kelechi Divine. We're starting with Week 1: Discovering the Essence of ... 5 min read · [zipdemon.hashnode.dev](https://zipdemon.hashnode.dev/day-4-week-1-getting-started-with-machine-learning-and-java?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/day-4-week-1-getting-started-with-machine-learning-and-java/68b99ad1b789b9c89d03b95d) [Sep 4, 2025](https://hashnode.com/posts/day-4-week-1-getting-started-with-machine-learning-and-java/68b99ad1b789b9c89d03b95d) ### [Architecture Partitioning (Layered Architecture)](https://zipdemon.hashnode.dev/architecture-partitioning-layered-architecture?utm_source=hashnode&utm_medium=feed) Let’s say you're building a house, you don’t just throw bricks, wires, furniture, and water pipes in one room and call it a home. You separate things. The foundation holds everything up. The walls give shape and protect. The plumbing handles water... 5 min read · [zipdemon.hashnode.dev](https://zipdemon.hashnode.dev/architecture-partitioning-layered-architecture?utm_source=hashnode&utm_medium=feed) [Jun 24, 2025](https://hashnode.com/posts/architecture-partitioning-layered-architecture/685a85a67d2212f01e68448e) ### [Architecture partitioning: Breaking the Big things into sense](https://zipdemon.hashnode.dev/architecture-partitioning-breaking-the-big-things-into-sense?utm_source=hashnode&utm_medium=feed) What in heaven name is Architecture partitioning? Okay, so imagine this... You’re building a big house. Now, you have two choices: Build it as one massive room where everything bed, toilet, kitchen, TV, gas cooker, and fridge is just there in one bi... 8 min read · [zipdemon.hashnode.dev](https://zipdemon.hashnode.dev/architecture-partitioning-breaking-the-big-things-into-sense?utm_source=hashnode&utm_medium=feed) [Jun 21, 2025](https://hashnode.com/posts/architecture-partitioning-breaking-the-big-things-into-sense/6857392721d38c1073ac012c) ### [Genum Authentication API Documentation](https://genumbackend.hashnode.dev/authentication-api-documentation?utm_source=hashnode&utm_medium=feed) This document details the REST API endpoints provided by the GenumUserController. All endpoints are prefixed with /api/user. Here is the baseUrl for all endpoints https://backend-9qqc.onrender.com Error Handling: All endpoints return a standardized R... 2 min read · [genumbackend.hashnode.dev](https://genumbackend.hashnode.dev/authentication-api-documentation?utm_source=hashnode&utm_medium=feed) [Jan 27, 2025](https://hashnode.com/posts/authentication-api-documentation/67978e0feb8576d8f3962eb5) ### [Dataset API Documentation](https://genumbackend.hashnode.dev/dataset-api-documentation?utm_source=hashnode&utm_medium=feed) Explanation DatasetController API Documentation This document details the API endpoints exposed by the DatasetController class for managing datasets. The controller utilizes Spring Boot and handles requests related to creating, updating, retrieving, ... 3 min read · [genumbackend.hashnode.dev](https://genumbackend.hashnode.dev/dataset-api-documentation?utm_source=hashnode&utm_medium=feed) [Jan 20, 2025](https://hashnode.com/posts/dataset-api-documentation/678e7514b999045c9f2a7022)