Tag: validation
Browse 14 practical software engineering resources tagged with "validation". Discover code recipes, design patterns, documentation templates, and in-depth guides to help you build, deploy, and maintain production-ready solutions involving validation. Each resource is written for engineers who ship real systems, with copy-paste examples and practical trade-offs.
Input Validation and Sanitization
Input validation is the first line of defense against malformed data, injection attacks, and application errors. Good validation is explicit, rejects bad data early, and separates validation from business logic.
The resources below cover schema validation, regex, sanitization, whitelisting, custom validators, and error messages. Each recipe shows how to validate and sanitize input safely across forms, APIs, and databases.
Every resource includes clear explanations, copy-paste code, and practical warnings. Use them to make informed decisions, avoid production pitfalls, and speed up your delivery. If you are just getting started, read the beginner-friendly articles first; if you are experienced, jump straight to the advanced patterns and architecture guides. New resources are added regularly, so bookmark this page and check back for the latest patterns.
Validate DataFrame Schemas with Pandera
How to validate pandas and Polars DataFrame schemas with Pandera, covering column types,...
Parse and Validate YAML/JSON Configuration
How to parse and validate application configuration files in YAML and JSON across Python,...
Node.js File Upload Validation: Type, Size, and Content
Validate file uploads in Node.js with multer for type, size, and content
Form Validation with react-hook-form and Zod
Build type-safe forms in React using react-hook-form with Zod schema validation, including nested...
Custom GraphQL Scalar Types for Dates, Emails, and JSON
Define custom GraphQL scalars for Date, Email, URL, and JSON fields with serialization, parsing,...
Validate and Sanitize GraphQL Input Types Server-Side
Implement centralized input validation in GraphQL using custom validation functions, Zod schemas,...
Gatekeeper Pattern
Place a validation and security boundary at the edge of a system to inspect, sanitize, and...
GraphQL Mutation Validation Pattern: Centralized Input Validation
Centralize GraphQL mutation validation with reusable rules, custom scalars, and structured errors....
Data Quality Rules Template
A template for defining data validation rules per dataset and column: completeness, consistency,...
Data Migration Runbook: Checklist
Use this data migration runbook template to plan safe migrations. Includes pre-migration checks,...
Data Quality Guide: Validation, Profiling, Great
Master data quality: validation frameworks, profiling, schema enforcement, anomaly detection, and...
Zero Trust Architecture — Never Trust, Always Verify
A practical guide to implementing Zero Trust architecture: identity verification, least privilege,...