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C# testing patterns: xUnit with [Fact]/[Theory], FluentAssertions, Moq mocking, NSubstitute, WebApplicationFactory integration tests, Testcontainers for real DB, Bogus fake data generation, Respawn DB reset, Coverlet coverage. Use when writing or reviewing C#…
لغة النص الأصلي: الإنجليزية
CSS architecture for modern web apps: Tailwind conventions and when to break them, CSS Modules for complex components, responsive design system with container queries, fluid typography, and avoiding the most common Tailwind pitfalls.
لغة النص الأصلي: الإنجليزية
Dashboard architecture and UX: KPI hierarchy, information density decisions, filter patterns, drill-down navigation, real-time update strategies (polling vs. WebSocket vs. SSE), empty and loading states for charts, and responsive dashboard layouts. Use when…
لغة النص الأصلي: الإنجليزية
Data visualization implementation: chart type selection framework (when to use bar/line/scatter/pie/heatmap/treemap), D3.js patterns, Recharts/Chart.js/Victory integration, accessible charts (ARIA roles, color-blind safe palettes), responsive SVG patterns,…
لغة النص الأصلي: الإنجليزية
Database migration best practices for schema changes, data migrations, rollbacks, and zero-downtime deployments across PostgreSQL, MySQL, and common ORMs (Prisma, Drizzle, Django, TypeORM, golang-migrate).
لغة النص الأصلي: الإنجليزية
Domain-Driven Design tactical patterns for Python — entities, value objects, aggregates, repositories, domain events, and application services using dataclasses and Pydantic.
لغة النص الأصلي: الإنجليزية
Dependency security and compliance: per-language vulnerability scanning (npm audit, cargo audit, pip-audit, govulncheck, OWASP Dependency-Check), license compliance (FOSSA, license-checker), transitive dependency risk, dependency confusion attacks, and…
لغة النص الأصلي: الإنجليزية
Design system architecture: design tokens (color, spacing, typography, radius), component library layers (Primitive → Composite → Pattern), theming with CSS Custom Properties and Tailwind, Storybook documentation, and dark mode. The foundation for consistent…
لغة النص الأصلي: الإنجليزية
Local development environment patterns: runtime version pinning with mise/asdf, environment variables with direnv, Dev Containers for consistent team environments, Docker Compose for local services, and pre-commit hooks.
لغة النص الأصلي: الإنجليزية
Advanced Django patterns — service layer, caching, signals, middleware, performance optimization (N+1, bulk ops), and DDD patterns (fat models, bounded contexts, domain events). Extends django-patterns.
لغة النص الأصلي: الإنجليزية
Django architecture patterns, REST API design with DRF, ORM best practices. Core patterns for project structure, models, QuerySets, and ViewSets.
لغة النص الأصلي: الإنجليزية
DORA Four Keys technical implementation: extracting metrics from GitHub/GitLab APIs, Google Four Keys open-source setup, LinearB/Faros/Haystack alternatives, Grafana DORA dashboard, PagerDuty/OpsGenie MTTR integration, quarterly review process.
لغة النص الأصلي: الإنجليزية
Email and notification architecture: transactional email with Resend/SendGrid, React Email templates, notification preferences (channel, frequency, opt-out), delivery tracking, in-app notifications, and push notifications. Covers the full notification stack.
لغة النص الأصلي: الإنجليزية
Engineering effectiveness metrics: DORA Four Keys (Deployment Frequency, Lead Time, Change Failure Rate, MTTR), SPACE Framework (Satisfaction, Performance, Activity, Communication, Efficiency), Goodhart's Law pitfalls, Velocity vs. Outcomes, Developer…
لغة النص الأصلي: الإنجليزية
FastAPI architecture patterns — async endpoints, Pydantic models, dependency injection, OpenAPI, background tasks, and testing with pytest + HTTPX.
لغة النص الأصلي: الإنجليزية
Flutter architecture patterns: BLoC vs. Riverpod decision framework, Widget composition (Composition over Inheritance, CustomPainter, Implicit/Explicit Animations), go_router navigation, Platform Channels, Isolates for background work, Flutter DevTools…
لغة النص الأصلي: الإنجليزية
Flutter testing: Widget Tests (testWidgets, WidgetTester, pump, pumpAndSettle, finders), Integration Tests (flutter_test driver), mocking with mocktail, Golden File Tests (visual regression, --update-goldens), BLoC testing (bloc_test package), coverage…
لغة النص الأصلي: الإنجليزية
GraphQL API patterns: schema-first design, resolvers, DataLoader for N+1 prevention, subscriptions, error handling, pagination, auth, and performance. For TypeScript with Apollo Server or Pothos.
لغة النص الأصلي: الإنجليزية
gRPC + Protocol Buffers patterns — proto schema design, code generation, unary and streaming call types, error handling with gRPC status codes, interceptors, reflection, and client usage. For service-to-service communication where REST is insufficient.
لغة النص الأصلي: الإنجليزية
Incident response process: severity levels, on-call workflow, runbook templates, communication guidelines (status page, Slack), blameless post-mortems, and resolution checklists.
لغة النص الأصلي: الإنجليزية
Java coding standards and idioms for Java 25+ — naming, immutability, Optional, streams, exceptions, generics, records, sealed classes. Applies to plain Java, Spring Boot, Quarkus, and Jakarta EE projects.
لغة النص الأصلي: الإنجليزية
Java testing patterns: JUnit 5, Mockito, AssertJ, Testcontainers for integration tests, and coverage with JaCoCo. Core TDD methodology for plain Java projects (non-Spring). For Spring Boot, see springboot-tdd.
لغة النص الأصلي: الإنجليزية
JPA/Hibernate patterns for entity design, relationships, query optimization, transactions, auditing, indexing, pagination, and pooling in Spring Boot.
لغة النص الأصلي: الإنجليزية
Idiomatic Kotlin patterns: sealed classes, data classes, extension functions, coroutines, Flow, DSL builders, value classes, and functional idioms. Use when writing or reviewing Kotlin code.
لغة النص الأصلي: الإنجليزية
Kotlin testing with JUnit 5, Kotest, MockK, coroutine testing, and Testcontainers. Covers TDD workflow, test structure, coroutine test utilities, and Spring Boot integration testing.
لغة النص الأصلي: الإنجليزية
Load and performance testing with k6 (TypeScript/Go/any HTTP) and Locust (Python). Covers test types (smoke, load, stress, spike, soak), SLO thresholds, CI integration, and interpreting results.
لغة النص الأصلي: الإنجليزية
Marketing asset design for developers: Open Graph / social media card specs and HTML generation, email template HTML/CSS patterns (table-based layout, Outlook compatibility, dark mode), banner and ad creative dimensions, print-safe PDF generation, and brand…
لغة النص الأصلي: الإنجليزية
Async message queue and event streaming patterns — AWS SQS/SNS, Kafka, RabbitMQ. Covers producer/consumer design, idempotency, dead-letter queues, fan-out, ordering guarantees, and backpressure. The reference for service-to-service async communication.
لغة النص الأصلي: الإنجليزية
Motion and animation patterns for web: CSS transitions for simple interactions, Framer Motion for complex orchestrated animations, meaningful vs. decorative motion, prefers-reduced-motion (WCAG 2.3), page transitions, and layout animations. Motion should…
لغة النص الأصلي: الإنجليزية
Multi-tenancy patterns for SaaS: row-level security (Postgres RLS), schema-per-tenant, tenant context middleware, data isolation testing, and migration strategies. Helps prevent cross-tenant data leaks.
لغة النص الأصلي: الإنجليزية
NoSQL database patterns: MongoDB document design (embedding vs. referencing), DynamoDB single-table design with access patterns, Redis as primary store, and when to use each NoSQL database vs. Postgres.
لغة النص الأصلي: الإنجليزية
Open source project governance: GitHub issue/PR templates, CODEOWNERS, CONTRIBUTING.md structure, community health files, label taxonomy, branch protection rules, and automated CHANGELOG from Conventional Commits. For maintainers who want contributors to…
لغة النص الأصلي: الإنجليزية
Autonomous overnight development pipeline. Analyzes a feature idea and selects the right pipeline pattern (Sequential, Continuous Claude, Ralphinho, or Infinite Loop). Generates all required files and waits for user confirmation before starting.
لغة النص الأصلي: الإنجليزية
PHP 8.4+ patterns: readonly classes/properties, enums, named arguments, match expressions, value objects, repository pattern, service layer with command/handler, Laravel controller/FormRequest, Symfony service wiring, Doctrine QueryBuilder, Fiber async. Use…
لغة النص الأصلي: الإنجليزية
PHP testing patterns: PHPUnit 11 with mocks and data providers, Pest v3 with expectations and datasets, Laravel feature/HTTP tests with RefreshDatabase, Symfony WebTestCase, PHPStan static analysis, Infection mutation testing. Use when writing or reviewing…
لغة النص الأصلي: الإنجليزية
Platform Engineering: Internal Developer Platforms (IDP), CNCF Platform definition, Team Topologies, IDP components (Service Catalog, Self-Service Infra, Golden Paths, Developer Portal), platform maturity model, make-vs-buy (Backstage vs Port vs Cortex),…
لغة النص الأصلي: الإنجليزية
PostgreSQL database patterns for query optimization, schema design, indexing, and security. Based on Supabase best practices.
لغة النص الأصلي: الإنجليزية
Presentation structure, narrative design, and slide layout principles. Covers the problem-solution-evidence arc, slide density rules (one idea per slide), slide type catalogue, opening hooks, and closing patterns. Use when structuring any slide deck —…
لغة النص الأصلي: الإنجليزية
SaaS pricing strategy patterns: value metric selection, usage-based vs. seat-based vs. flat-rate models, freemium conversion, pricing page design, packaging tiers, and the analytics to improve pricing. For product and technical founders.
لغة النص الأصلي: الإنجليزية
RFC 7807 / RFC 9457 Problem Details for HTTP APIs — standard error response format, Content-Type application/problem+json, extension fields, and per-language implementation patterns.
لغة النص الأصلي: الإنجليزية