Results for “data”

Write, review, debug, test, and optimize Python Polars code with version-grounded object types, schemas, and execution boundaries.

Guides test-driven development for Laravel apps using PHPUnit and Pest, covering factories, database testing, fakes, and coverage targets.

Verifies data structures, files, YAML blocks, or agent output against their defined schema, producing a pass/fail report with actionable fix instructions.

Write, review, debug, test, or optimize Python code using PyArrow arrays, schemas, tables, compute kernels, datasets, Parquet, and Arrow IPC.

Write effective unit tests with modern MSTest 3.x/4.x, covering assertion APIs, data-driven tests, and test lifecycle best practices.

Runs bottom-up type-chain validation across database, hooks, and UI layers, then fixes errors at the failing layer for project health checks before large changes.

Write, create, modernize, or fix comprehensive MSTest unit tests with MSTest 3.x/4.x APIs, covering assertions, data-driven tests, lifecycle, and async patterns.

Designs and implements backend systems including REST APIs, microservices, database architectures, authentication flows, and security hardening. Covers Node.js/Express/Fastify development, PostgreSQL optimization, API security, and backend architecture patterns.

Provides grep-based patterns to verify that code artifacts are real implementations rather than stubs or placeholders, covering React components, API routes, database schemas, and hooks.

Generates Spring Boot 3.x configurations, REST controllers, Spring Security 6 authentication flows, Spring Data JPA repositories, and reactive WebFlux endpoints for building microservices and reactive Java applications.

Guides AI agents through Test-Driven Development with 42 prioritized rules covering the red-green-refactor cycle, test design, isolation, data management, assertions, organization, performance, and strategy.

Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, or extract information from web pages.

Write effective unit tests with NUnit, covering standard and data-driven testing approaches.

Write effective unit tests with JUnit 5, covering standard and data-driven testing approaches.

Control browsers via a CLI tool that runs sandboxed JavaScript scripts for automation, testing, and data extraction.

Migrate test files from `as` type assertions to @total-typescript/shoehorn, using fromPartial and fromAny for partial or intentionally wrong test data.

Guides backend development across API design, authentication, databases, performance, security, scalability, and testing, with quick decision guides and defaults for production-ready systems.

Provides expert guidance on modern Julia 1.10+ development, covering performance optimization, multiple dispatch, tooling, testing, and production-ready practices.

Provides expert guidance on modern Julia 1.10+ development, covering performance optimization, multiple dispatch, testing, and production-ready practices.

Build, review, debug, or test declarative statistical visualizations in Python with Altair and Vega-Lite, including chart marks, typed encodings, transforms, parameters, layers, facets, and specification export.

Defines a test strategy for Salesforce Flow, combining declarative Flow Tests, debug runs, path matrices, test data, and boundary tests for Apex, LWC, and external services.

Model complex UI behavior as finite state machines with states, events, and transitions to eliminate impossible states and make behavior predictable.

Systematically profile Node.js, Python, and Go applications to identify CPU, memory, and I/O bottlenecks, generate flamegraphs, analyze bundle sizes, optimize database queries, and run load tests with k6 and Artillery.

Migrate test projects from MSTest v1 (assembly references) or v2 (NuGet 1.x-2.x) to MSTest v3, handling breaking changes like assertion overloads, DataRow constructors, .testsettings replacement, and target framework updates.