Data Validation: Garbage In, Garbage Out
Data validation is the bouncer for your app, checking data at the door to ensure it's correct and useful. It's used on user forms, API requests, and file imports. The footgun is skipping it, which risks corrupted data, security holes, and future crashes.
Data validation acts as a bouncer for your system, checking every piece of data at the door to ensure it's correct, meaningful, and safe. This is critical when processing user forms, handling API requests, or importing files. The biggest mistake is assuming data from "trusted" sources is clean; skipping validation seems faster but leads to corrupted data, security vulnerabilities, and hard-to-debug crashes.
Read the original → Wikipedia: Data validation
- #data quality
- #input validation
- #security
- #best practices
Get five bites like this every day.
Tezvyn delivers a daily feed of 60-second tech bites with quizzes to lock in what you learn.