Skill UI

This expert guide provides comprehensive strategies for community-led growth. It helps users design, launch, and scale online communities on platforms like Discord, Slack, or forums. Use this resource when aiming to build deep brand loyalty, transform customers into brand advocates, structure a cohesive community strategy, or significantly boost user engagement and retention post-signup. It covers everything from defining community identity to implementing ambassador programs.

This guide provides a systematic, step-by-step process for root-cause debugging and error recovery. It outlines a structured triage checklist to follow when tests fail, builds break, or unexpected runtime errors occur. By following these steps, users can ensure they fix the underlying root cause rather than merely treating symptoms.

This comprehensive guide details how to correctly implement Firebase App Check for Flutter applications. It covers selecting platform-specific attestation providers (like Android Play Integrity and Apple DeviceCheck), configuring debug tokens, handling token refresh, and setting up enforcement mechanisms. Use this skill to significantly harden your app's security against abuse, ensuring only legitimate clients can access protected backend resources.

This skill provides a comprehensive guide to integrating and managing Firebase Authentication within Flutter applications. It covers critical steps such as initial setup and configuration, implementing state management by listening to authentication streams, and executing various sign-in flows (email/password, phone, and major social providers like Google and Apple). Furthermore, it emphasizes robust error handling and applying security best practices.

This skill provides a comprehensive guide on securely integrating and calling Firebase Cloud Functions from Flutter applications. It covers the proper use of `httpsCallable` to invoke structured server-side logic, handling data serialization, implementing robust error handling (including permission denial and timeouts), configuring regional deployments, and utilizing the Firebase Emulator Suite for reliable local testing.

This comprehensive guide provides an end-to-end solution for implementing Firebase Cloud Messaging (FCM) in Flutter applications. It covers platform-specific setup for iOS, Android, and Web, detailing how to handle messages in foreground, background, and terminated states. Key topics include managing notification permissions, handling token lifecycles, and implementing reliable cross-platform push notification logic.

Guides using ChangeNotifier with provider for Flutter state management, covering model creation, providing to the widget tree, consuming via Consumer and Provider.of, optimization practices, and testing notifications.

This skill provides a comprehensive framework for measuring Go application performance. It guides users through writing robust benchmarks using `testing.B`, running tests with various flags (`-benchmem`, `-cpuprofile`), interpreting complex profiling data (pprof), statistically comparing results using tools like `benchstat`, and setting up CI regression detection. It is essential for deep performance analysis and making statistically sound optimization decisions.

Provides comprehensive guidelines on using Go's `context.Context` for managing request lifecycles. Learn how to correctly propagate cancellation signals, enforce deadlines, handle timeouts, and safely pass request-scoped values across API boundaries (HTTP handlers, services, databases). Essential reading for writing resilient and robust concurrent Go applications.

This skill provides comprehensive linting and static analysis for Go projects using golangci-lint. It enforces numerous best practices, checks for common errors, manages configurations via `.golangci.yml`, and supports auto-fixing. Use it during the entire development lifecycle, including setting up CI/CD pipelines, running pre-commit checks, or refactoring large, legacy Go codebases to ensure high code quality and maintain security standards.

This skill acts as a Go modernization engineer, keeping codebases current with the latest Go idioms and standard library improvements. It proactively detects deprecated APIs, outdated patterns, and suggests adopting modern features (like `errors.Is`, `slog`, etc.). It supports both inline, contextual suggestions during active coding, and full-scan review for CI/CD pipelines, ensuring code safety, correctness, and readability.

A comprehensive guide covering advanced optimization techniques for Golang, including allocation reduction, CPU cycle efficiency, memory layout tuning, Garbage Collection (GC) management, pooling, and caching strategies. This skill provides a systematic methodology (Measure -> Hypothesize -> Improve -> Benchmark) for resolving bottlenecks identified through profiling tools like pprof or fgprof, ensuring optimizations are targeted and validated.