Programming

A must-see speech by Robert “Uncle Bob” Martin on programmers responsibilities in digital world and 9 principles every programmer should follow (“The Coders’ Code”).

One of the challenges for start-ups or any new project is to reduce the amount of work while still delivering a full-featured product. Agile methodologies address this challenge on the project management level. Let’s discuss another approach to address it on the architecture level: UI-first development.

User authentication is an important part of the web service API design. One of the common approaches is the Hash-based Message Authentication Code – HMAC. Used together with transport level security, it provides a reliable mechanizm of user authentication and message integrity validation.