http
HTTP protocol and headers
Learn how to view HTTP headers in Chrome Developer Tools. Find headers in the Network tab instead of the old Resources tab. Complete guide with step-by-step instructions.
Complete guide to implementing PHP cURL POST requests with parameters, error handling, and response processing for server-to-server communication.
Learn to encode non-ASCII filenames like naïvefile in Content-Disposition headers using RFC 5987 filename* with UTF-8 percent-encoding. Cross-browser guide for Chrome, Safari, Firefox, Edge, Opera with code examples and fallbacks.
Learn about the boundary parameter in multipart/form-data headers. Discover how browsers auto-generate boundaries and how to set custom boundaries like boundary=abcdefg in curl, Python, and more.
Comprehensive guide to REST API error handling with proper HTTP status codes, JSON/XML response formats, and storage quota management for client-friendly applications.
Understand HTTP POST vs PUT differences: POST for server-assigned resource creation in collections (non-idempotent), PUT for client-specified URI creation/replacement (idempotent). REST API best practices, RFC guidance, and examples.