mastery▌

Comprehensive reference for 33+ essential JavaScript concepts from fundamentals to modern patterns. \n \n Covers core language features including primitive types, type coercion, scope, closures, and the this keyword with practical examples \n Explains asynchronous patterns: callbacks, Promises, async/await, and the event loop with execution order details \n Includes functional programming concepts like higher-order functions, pure functions, map/filter/reduce, currying, and composition \n Addres

This skill provides frameworks for navigating difficult workplace conversations and delivering effective feedback. Whether you're addressing performance issues, resolving conflicts, or giving constructive feedback, these structured approaches lead to better outcomes.

Interactive training for GitHub Copilot CLI with guided lessons, quizzes, scenarios, and reference materials. \n \n Covers slash commands, shortcuts, modes, agents, skills, MCP, and configuration through eight progressive modules \n Includes quiz mode (5+ questions per module), scenario challenges, and a comprehensive final exam with XP-based progression tracking \n Levels progress from Newcomer to Wizard (1500 XP max) with XP rewards for lessons, correct answers, perfect quizzes, and scenarios

Structured frameworks for navigating difficult conversations and delivering constructive feedback effectively. \n \n Two core models: Preparation-Delivery-Follow-up (three-phase conversation structure) and Situation-Behavior-Impact (SBI) feedback technique that focuses on observable facts rather than assumptions \n Covers preparation strategies including issue analysis, goal definition, and emotional regulation to reduce defensiveness and improve outcomes \n Delivery phase includes neutral openi

33+ essential JavaScript concepts every developer should know, inspired by 33-js-concepts.

Rule #1: Heartbeats drift. Cron is precise.