Pavel is a web developer involved in all software development processes. He is passionate about UX/UI design and loves both frontend and backend development. He is zealous about teaching and sharing his knowledge with fellow developers.
Database queries may work fine at first, but performance problems appear as your data grows. Indexes can speed things up dramatically, but choosing the wrong type can waste memory or even slow your app down. Read this article to learn how to design effective indexes and optimize query performance in Rails with Postgres.
Internationalization means adapting your application to the language and culture of your users—a difficult task! Luckily, Rails provides the I18n API. In this article, Pavel Tkachenko shows us how to start translating.