Notes from the terminal
JSON pitfalls, regex recipes, JWT internals, and other things we learned the hard way.
What's Actually Inside a JWT Token
Break down a real JWT token: the three parts, base64url encoding, common claims, why JWTs are not encrypted, and the difference between JWS and JWE.
Complete Guide to Debugging JSON Parsing Errors
Learn how to identify, troubleshoot, and fix common JSON parsing errors with practical examples and debugging techniques.
JSON Schema Validation: Best Practices for 2024
Discover the best practices for implementing robust JSON schema validation in your applications with real-world examples.
Regex Patterns Every JSON Developer Should Know
Six practical regex patterns for validating emails in JSON, extracting URLs, finding keys, cleaning malformed JSON, and matching ISO dates.
5 JSON API Pitfalls That Will Bite You in Production
Real-world pitfalls: floating point money, date serialization chaos, large number precision loss, null vs missing keys, and unvalidated response shapes.
Flattening, Querying, and Reshaping Nested JSON
Practical techniques for taming deeply nested JSON: flattening objects for CSV, querying with JSONPath, and reshaping API responses for your frontend.
10 Ways to Optimize JSON Performance in Web Applications
Improve your web application's performance with these proven JSON optimization techniques and tools.
7 Common JSON Formatting Mistakes Every Developer Makes
Avoid these frequent JSON formatting pitfalls that can break your applications and frustrate your users.
JSON vs XML: When to Use Each Format in 2024
A comprehensive comparison of JSON and XML formats, helping you choose the right one for your project needs.
Secure JSON: Protecting Your APIs from Common Vulnerabilities
Learn essential security practices for handling JSON data in APIs and web applications.
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