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High-quality guides on frontend engineering, backend architecture, and mobile development. Open for everyone, curated for pros.
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Jetpack Compose Fundamentals
Premium
Building declarative UIs with Kotlin and Compose.
5 Jan 2026
14 minutes
Setting up Android Studio
Configuring Gradle, AVD Manager, and your first Hello World app.
28 Dec 2025
10 minutes
Garbage Collection Algorithms
Premium
Mark and Sweep, G1GC, and ZGC optimization strategies.
13 Dec 2025
18 minutes
JVM Architecture Basics
Classloaders, Runtime Data Areas, and the Execution Engine explained.
8 Dec 2025
20 minutes
The "this" Keyword
Premium
Implicit binding, explicit binding, new binding, and arrow functions.
18 Nov 2025
7 minutes
Closures and Scope Chain
Premium
Understanding lexical scoping and how closures actually work in memory.
13 Nov 2025
10 minutes
The Event Loop Explained
Visualizing the call stack, callback queue, and microtask queue.
8 Nov 2025
15 minutes
Advanced Suspense Patterns
Premium
Mastering streaming HTML and managing loading states in complex applications.
19 Oct 2025
8 minutes
Understanding Server Components
A deep dive into how RSCs work under the hood and how they differ from SSR.
14 Oct 2025
12 minutes
Introduction to React 19
Discover the new features in React 19 including the compiler, actions, and optimistic updates.
9 Oct 2025
5 minutes