Month: April 2018

Reactive programming is a concept that is finally gaining some popularity among programmers. It makes it easier to think in data flows and to manage and work with them. Instead of imperative programming, you’re thinking about code as a series of processes that take place on streams. This is similar to the conceptual shift to map/reduce thinking. But it takes those ideas further. You’re doing a map/reduce and then connecting the data to other filters and maps and creating multiple pipelines so that the right data gets to the right place.

There comes a time in the life of every Ruby on Rails project where you and your team will end up with long-running tests. Rails tests can contain factories, fixtures, and numerous setup procedures before tests are executed, and all of these can contribute to significant slowness in the test runs. There are four ways to deal with slow-running tests in Rails.