If you’ve ever used Kotlin Coroutines in Android and thought “why isn’t my try/catch working?” — you’re not alone. Exception handling in coroutines can be surprisingly tricky. Many Android developers misuse launch, async, or CoroutineExceptionHandler, causing crashes, silent failures, or cancelled jobs that break their app in production. In this post, we’ll cover the 15 […]

A View in SQL is a virtual table created from a SELECT query. It shows data from real tables without storing rows itself. Use it to simplify queries, protect sensitive columns, and standardize business logic. If you searched “update in ChatGPT5” or “what is view SQL”, this guide gives plain-English explanations plus copy-paste code. Key

A Bloom filter is a tiny, super-fast yes/no checker for membership: “Could this item be in my set?” What is a Bloom filter? (Beginner version) Imagine a long row of light switches (bits) all starting at 0 (off).To add an item (like a username), we run it through a few different hash functions (little math

If you’ve been learning SQL and came across the symbols @ and @@, you might have wondered: 1. What is @ and @@ in SQL?2. Are they the same?3. Which is better: @ or @@ in SQL? Let’s clear up all the confusion in a simple, teacher-style explanation — with easy examples you can try

rattai app—Zoho’s homegrown messenger—has surged to the top of India’s app stores, positioning itself as a spyware-free, made-in-India WhatsApp alternative. The momentum accelerated after Mahindra Group chairman Anand Mahindra said he downloaded it “with pride,” drawing a warm response from Zoho founder Sridhar Vembu. Launched in 2021, Arattai (Tamil for “chat”) is riding a wave

If you’re starting with Jetpack Compose, you’ve probably heard the word Recomposition.Sounds scary? Don’t worry. In this blog, we’ll break it down step by step — simple enough that even a beginner can master it. By the end, you’ll know how to make your Jetpack Compose apps smooth, fast, and almost recomposition-free. What is Recomposition

If you’re adding icons to a Jetpack Compose app in 2025, here’s the simple rule: don’t use the old androidx.compose.material.icons artifacts. Do use the new Material Symbols as vector drawables. This keeps your app modern and often speeds up builds. Why the change? The recommended way (super easy) 1) Download a Material Symbol as Vector

Dependency Injection (DI) is one of the most powerful principles in modern software development. Whether you’re working on Android apps, iOS mobile applications, or large-scale .NET web applications, Dependency Injection helps you build clean, maintainable, and testable code. What is Dependency Injection and Why is it Important? In traditional coding practices, classes often create their

Think of Dispatchers as “Where to Work” In Kotlin coroutines, a dispatcher decides which thread(s) your code runs on: 👉 Dispatchers.IO is a shared, bounded pool built for waiting on I/O. It’s fast when used right—and painful when abused. Why Choosing Dispatchers.IO Wisely Matters Kid-simple rule:IO = waiting work. Default = thinking work. Main =

If you’re preparing for interviews or just starting your software development journey, you’ve probably heard the term Microservices. But what is Microservices really, and how is it different from the traditional Monolithic approach? Let’s break it down simply. What is Microservices? Microservices is a way of building applications as a collection of small, independent services.