ThinkWithDhaval

  Reactive programming has become an essential part of modern iOS development. Instead of manually managing callbacks and delegation patterns, reactive frameworks allow developers to  handle asynchronous data streams elegantly . When it comes to iOS, two major players stand out:  RxSwift  and  Combine . Both frameworks let us work with reactive streams, but they have different histories, ecosystems, and trade-offs. In this post, we’ll compare  RxSwift vs Combine , explore their strengths and weaknesses, and walk through a simple example to help you decide which is best for your project. 🔹 What is RxSwift? RxSwift is the  Swift implementation of ReactiveX (Rx)  — a cross-platform reactive programming library. It has been around for years, well before Apple introduced Combine. Open-source  and widely adopted in the iOS community. Large ecosystem with operators, community support, and third-party libraries. Works on iOS versions earlier than iO...

  🤯 My Shocking Experience The other day, I asked ChatGPT a simple question: “What are the dangers of AI for humans in the future?” The answer I received was not just informative — it was  shocking and deeply alarming . We often think of AI as a cool tool that writes, draws, or automates tasks. But when I read ChatGPT’s breakdown of risks, I realized that  AI is not just about convenience — it could shape the survival of humanity itself. Here’s what I discovered. ⏳ Phase 1: Immediate Dangers (Already Happening) 1. 🧑‍💼 Job Loss at Scale AI is replacing humans in transportation, manufacturing, call centers, and even creative fields. Millions of jobs are at risk. 💡  Shocking part : ChatGPT warned this is  not just coming — it’s already here. 2. 🎭 Deepfakes & Fake Realities AI can generate fake videos, voices, and articles so realistic that  truth itself becomes questionable . 👉 Imagine a world where you can’t trust your own eyes and ears. That’s the ...

In today’s mobile-first world, users expect your app to work even without an internet connection. Whether your app shows product listings, news feeds, or profile data, caching API responses locally is a must-have. In this blog post, we’ll explore how to: ✅ Fetch data from an API ✅ Save it to a local database (using  Realm ) ✅ Detect internet connectivity ✅ Display data from cache when offline All using  SwiftUI  🚀 🧱 Prerequisites Basic knowledge of SwiftUI Xcode installed (15+ recommended) Add RealmSwift using Swift Package Manager 🧩 Project Architecture + ------------------------+ | Network Layer (API) | + ------------------------+ | v + ------------------------+ | Local DB (RealmSwift) | + ------------------------+ | v + ------------------------+ | SwiftUI UI Layer | + ------------------------+ 🌐 Step 1: Setup Realm Models We’ll model the API data and create a Realm version of it. API Model struct Product : ...