Blog
In-depth programming tutorials, interview prep guides, and language deep-dives — with real code you can run in your browser.
A complete, actionable guide to cracking technical coding interviews at top tech companies. Covers data structures, algorithms, behavioral questions, system design, and a realistic study plan.
The most commonly asked C++ interview questions with detailed answers and code examples. Covers memory management, RAII, move semantics, STL, templates, and modern C++17/20 features.
The most commonly asked C# interview questions with detailed answers and code examples. Covers async/await, LINQ, generics, delegates, garbage collection, and .NET internals.
The most commonly asked Go interview questions, with detailed answers and runnable code examples. Covers goroutines, channels, interfaces, error handling, and more.
The most commonly asked Java interview questions, with detailed answers and code examples. Covers OOP, concurrency, JVM internals, collections, Spring, and system design.
The most commonly asked Rust interview questions, with detailed answers and code examples. Covers ownership, borrowing, lifetimes, async, traits, error handling, and unsafe Rust.
A structured roadmap for learning Rust in 2025 — from zero to building real systems software. Each phase has clear goals, code examples, and what to build.
A practical comparison of Python and JavaScript for beginners in 2025. We cover syntax, job market, use cases, learning curve, and exactly when to choose each language.
Complete guide to system design interviews covering scalability, databases, caching, load balancing, microservices, and real-world design examples like URL shortener, Twitter, and Netflix.
Essential SQL interview questions covering SELECT, JOINs, aggregations, window functions, indexes, query optimization, and system design. Prepare for backend and data engineering interviews.
Comprehensive TypeScript interview questions covering types, generics, decorators, utility types, and advanced patterns. Prepare for frontend and full-stack engineering interviews.
An honest comparison of Python, JavaScript, Go, Java, and Rust to help you pick the best first programming language based on your goals, timeline, and career path.
The most frequently asked coding interview problems at Google, Meta, Amazon, and Microsoft — with Python solutions, time complexity analysis, and interview tips.
A step-by-step guide to learning Python from scratch — covering syntax, data structures, projects, and how to go from beginner to job-ready developer.
Time & space complexity for every major data structure. Arrays, hash maps, trees, graphs, heaps — with code examples in Python, Go, and JavaScript.
Comprehensive JavaScript interview prep: closures, event loop, promises, prototypes, ES2024 features, and common coding challenges — with runnable examples.
Ace your next Python interview. Covers data structures, OOP, generators, decorators, async, and more — with clear answers and runnable code.