A concise guide to the most important design patterns in C++, including Singleton, Factory, Observer, Strategy, and more. See when and how to use each pattern, with idiomatic C++ code samples.
A practical guide to selecting between values, references, raw pointers, unique_ptr, shared_ptr, and weak_ptr in C++ object-oriented programming. Learn when to use each for clarity, safety, and performance.
A deep dive into the system design behind Uber's real-time ride-hailing platform. Learn how Uber matches riders and drivers at scale, leverages geohashing and quadtrees for location indexing, and ensures low-latency, high-availability service worldwide.
Learn how to write effective unit and integration tests in Spring Boot using JUnit and MockMvc. Includes best practices and real-world code samples.
Explore the most common caching strategies such as write-through, write-back, cache-aside, and more. Understand their use cases, tradeoffs, and how to choose the right approach for your system.
Exploring how C++ powers high-performance trading systems with low-latency data processing, memory management, and real-time execution. Includes practical code examples and performance optimization techniques.
A practical guide to the Raft consensus algorithm, focusing on how it elects leaders to maintain consistency in distributed systems. Includes step-by-step breakdowns, diagrams, and real-world applications.
A comprehensive, step-by-step guide to designing a robust, scalable notification system. Learn about requirements gathering, high-level architecture, endpoint design, database choices, message queues, rate limiting, and real-world tradeoffs for supporting billions of notifications per day.