Use MRuby with H2O and Redis to build a Rack JSON API that servers 25,000+ requests per second.

Do you need a fast and lightweight JSON API app? It must be powerful, flexible, quick to develop and easy to deploy? There is a simple solution for all these requirements: to use Lotus gems to build it.

Do you find TDD good in theory but hard to practice? Do you think it requires too much discipline and you don’t have time? You can improve a lot, by borrowing well tested tricks from me. They are simple, effective and easy to learn.

Going remote is a appealing, but it’s easy to get lost. What’s the right balance between professional and personal life? How to make sure that you’ll finish your tasks by the end of the day? You can get it right without too much effort. Here’s my recipe for my last three years of remote working.

Moore’s law is over. Modern computation is exploited by running processes on multiple cores. Ruby has always ignored this trend, and the community didn’t put enough attention on this topic. The VM allocates a memory heap, which is shared and writable by threads. If incorrectly coordinated, those threads can lead to unexpected behaviors.