Posts

Spring Boot Learning Path & Core Concepts (Note-Taking Style) This document outlines a structured learning path for Spring Boot, combined with essential core concepts presented in a concise, note-taking format. I. Spring Boot Learning Path Phase 1: Java Fundamentals (Prerequisite) Core Java: OOP (Classes, Objects, Inheritance, Polymorphism, Abstraction, Encapsulation), Data Types, Control Flow, Collections, Exception Handling, I/O. Build Tools: Basic understanding of Maven or Gradle (dependency management, build lifecycle). Version Control: Git basics (commit, push, pull, branch). Phase 2: Spring Framework Basics ...

Core Concepts & Learning: A Note-Taking Approach Learning effectively isn’t just about consuming information; it’s about understanding, retaining, and applying it. This guide outlines core learning concepts and note-taking strategies to enhance your study process. I. Understanding Core Concepts What is a “Core Concept”? Fundamental idea, principle, or building block of a subject. Without it, deeper understanding is difficult/impossible. Often abstract, but with concrete examples. Example: In programming, “variables” or “functions” are core concepts. Why Focus on Core Concepts? ...

Understanding Java: Core Concepts, Database Connectivity, and Its Power Java has been a cornerstone of software development for decades, known for its “Write Once, Run Anywhere” (WORA) principle. Its robustness, scalability, and extensive ecosystem make it a powerful choice for a wide range of applications, from enterprise-level systems to mobile apps and big data solutions. Core Java Concepts At its heart, Java is an object-oriented programming (OOP) language. This paradigm emphasizes the use of objects, which are instances of classes, to structure code and model real-world entities. ...

🌀 Modern Tailwind CSS Configuration with React Tailwind CSS is a utility-first CSS framework that has become a popular choice for styling React applications. In this guide, we’ll walk through the modern setup for using Tailwind with React in 2025 using tools like Vite or Create React App (CRA). 🛠️ Prerequisites Before we begin, make sure you have: Node.js (v18+ recommended) npm or yarn A React project set up with either Vite or CRA ⚡ Option 1: Setting Up Tailwind with Vite (Recommended) Vite is a fast build tool for modern React development. ...

React.js is a JavaScript library for building user interfaces. Developed by Facebook (now Meta) in 2013. It is component-based, declarative, and allows for efficient UI updates. Key Features of React Component-Based Architecture: UI is built using reusable components. Virtual DOM: Updates only the changed parts, making React fast. Unidirectional Data Flow: Props and state maintain a predictable data structure. JSX (JavaScript XML): A syntax extension that lets you write HTML inside JavaScript. Hooks: Allow functional components to have state and other features. Mutable vs Immutable Mutable (Changeable) Mutable data types can be changed after creation. Example: Objects & Arrays are mutable. let arr = [1, 2, 3]; arr.push(4); // Modifies the original array console.log(arr); // [1, 2, 3, 4] Immutable (Unchangeable) Immutable data cannot be changed directly. Instead, you create a new copy. Example: Strings & Numbers are immutable. let str = "Hello"; str[0] = "M"; // This won't change the string console.log(str); // "Hello" Example of immutable object handling (creating a new object instead of modifying the original): ...

Mastering Code with the Feynman Technique: Learn Faster, Understand Deeper Learning to code isn’t just about copying and pasting syntax. It’s about understanding what the code does, how it works, and why it behaves the way it does. Whether you’re a beginner or a seasoned developer, one of the best ways to deepen your knowledge is by using the Feynman Technique. Originally developed by physicist Richard Feynman, this learning method forces you to go beyond surface-level memorization. It helps you internalize complex concepts, identify gaps in your knowledge, and retain what you learn for the long term. ...