i Code With Hiren.

@Published  works exactly like that. It turns your Swift variables into self-updating, auto-notifying values — like having a friend who instantly updates everyone in the group whenever something changes. Whether you are a: iOS student in college Fresher preparing for interviews Developer building SwiftUI apps Professional exploring clean MVVM architecture …this feature will make your life easier. Let’s understand it the Indian way — simple, clear, relatable. ⭐ What is @Published in Swift? @Published is a property wrapper introduced in Swift 5 (Combine framework). It makes your variable observable , meaning whenever the value changes, Swift automatically informs all the parts of your app that depend on it. No need for: Notifications KVO Delegates Manual UI updates Just mark your variable with @Published and you’re done. Example: class Counter: ObservableObject { @Published var value: Int = 0 } Whenever value changes → UI automatical...

1. Introduction: The Rise of Digital Health and Apple’s Role In today’s rapidly evolving digital world, health and technology are no longer separate entities. They have merged into a new ecosystem of smart wellness , where your phone can track your heart rate, your watch can count your steps, and your apps can monitor your sleep quality. At the center of this revolution stands Apple HealthKit , a framework designed to empower developers to build health-focused applications that safely collect, store, and analyze users’ wellness data. HealthKit serves as a bridge between the user’s health data and the apps that use it , enabling users to take control of their fitness journey in a unified way. And to harness the power of HealthKit efficiently, developers rely on Swift 5 , Apple’s most refined, modern, and developer-friendly programming language. 2. Why Swift 5 is the Perfect Match for Health and Fitness Apps Apple introduced Swift as a replacement for Objective-C, aiming to prov...

Prologue Rain beat against the window with the same fury it had the night Arun’s world collapsed. In the city’s endless shadows, loneliness wore a familiar face—a mask of hurried footsteps, flickering neon, and silent tears. Arun, a shy software engineer with dreams that stretched far beyond his small corner of Mumbai, counted the minutes and memories by the rhythm of water dripping outside his cramped apartment. Tonight, the rain sounded different. It was heavier, slower, like a long sigh from the sky itself. The memories, as always, came uninvited: laughter shared with his father beside an old radio, his mother’s comforting hands weaving through his hair on exam nights, and the last message his wife, Nisha, sent before she vanished from his life forever. This story is not about heroes. Nor is it about perfect endings. It’s about hope found in the most ordinary places, about battling the constant tide of reality, and learning—slowly, wrenchingly—to forgive. Chapter 1: The Absen...

Foundations of Financial Wisdom Chapter 1: Why Financial Literacy Matters Money touches every part of life — the home you live in, the food you eat, the dreams you chase, and the peace of mind you enjoy. Yet, most people spend decades earning money without truly learning how it works. Financial literacy is the ability to understand and manage your money wisely — and it’s the foundation for independence, stability, and freedom. In today’s world, financial knowledge is not a luxury. It’s survival. Inflation, rising costs, and digital disruptions make financial awareness as essential as education itself. Whether you’re a student, professional, entrepreneur, or retiree, your ability to manage money decides how comfortably you live — not how much you earn. Example: Two friends earn ₹60,000 per month. One saves first, invests consistently, and tracks spending. The other spends impulsively and saves what’s left. After 10 years, both earned the same salary, but their lives look drastica...

The Foundation: What is Personal Finance? Personal finance means managing your money to achieve life goals—balancing income, spending, saving, investing, and protecting assets. It’s both an everyday practice (like tracking expenses) and a lifelong journey (like planning for retirement). Simple, right? But just like fitness, progress comes from daily habits and mindset. The Five Pillars of Personal Finance Earning — Your sources of income: salary, side hustles, business, or investments. Saving — Setting aside money regularly for emergencies and future plans. Spending — Making conscious, mindful choices about where your money goes. Investing — Growing your money over time through assets that build wealth. Protecting — Insuring against life’s risks and securing your future. Building Your Financial Mindset Before wealth, comes mindset. Financial success starts in your mind—with discipline, patience, and clear values. Take the story of Maya, a teacher who earned modestly but grew her ...