xu-xiang

This skill delivers comprehensive coding standards rooted in the C++ Core Guidelines, covering modern C++17/20/23 practices. It emphasizes type safety, resource management through…

Master production-ready Django patterns covering project structure, model design, QuerySet optimization, and REST Framework integration. Learn configuration management across…

Learn test-driven development for Django applications using pytest and factory_boy. This skill covers the red-green-refactor workflow, test configuration, fixture setup, and…

This skill teaches you how to architect reliable end-to-end tests using Playwright, covering design patterns and maintenance strategies that scale. Learn to structure test suites…

Frontend Slides builds self-contained, animation-rich HTML presentations that run entirely in the browser with no external dependencies. Convert PowerPoint files to web…

Master JPA entity modeling, repository implementation, and performance tuning for Spring Boot applications. Learn to configure relationships, prevent N+1 query issues through…

Learn to build robust Python tests using pytest with test-driven development principles. This skill covers fixtures for setup and teardown, parametrization for running tests…

Master Spring Boot architecture through practical patterns for REST API design, service layering, data access, caching, and async operations. Covers controller-service-repository…

This skill guides you through hardening Spring Boot applications with production-ready security patterns. It covers stateless JWT and session-based authentication, method-level…

Master test-driven development for Spring Boot services targeting 80%+ code coverage. This skill covers the complete TDD cycle—writing failing tests first, implementing minimal…

Swift Actor Persistence demonstrates how to construct a thread-safe persistence layer by combining actor isolation with hybrid storage—keeping frequently accessed data in memory…

This skill guides you through Swift 6.2's concurrency paradigm, where code runs single-threaded by default and background work requires explicit @concurrent annotation. Learn how…

Explore contemporary SwiftUI architecture through practical state management examples built around the @Observable macro. This collection demonstrates how to structure reactive…