Hello Weather - Inside the weather machine

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Jan 7 2020

Hello Weather - Inside the weather machine

What is Ruby doing on Rails?

Hello, you're reading Infinum Ruby Drops, bringing you the latest Ruby and Rails related news straight to your inbox every week.

Hello Weather - Inside the weather machine

How we manage 100k requests per day with multiple data providers in real time with autoscaling and fallbacks.

Rails

Extracting a tidy PORO from a messy Active Record model

The world is complex and we can’t make the complexity go away. The art is in distributing the complexity throughout the code such that a human can understand what the application does, in spite of the complexity.

Cut Your RSpec/Minitest Runtime With TestProf

Many apps have test suites that run exponentially slower as business complexity grows. This is painful to developer productivity and resource efficiency. In this piece, I’ll show you how I’ve made my tests run 70% faster by changing a few lines.

Ruby

Ruby 2.7 NEWS: Commentary

Koichi Sasada (ko1) and Yusuke Endoh (mame) from Cookpad give their thoughts on Ruby 2.7 changes.

Live coding - Ruby 2.7 Pattern Matching on YAML

Ruby 2.7 is out with experimental pattern matching support. This demo shows the use of the new pattern matching in extracting data from YAML files.

Beyond Ruby

Performance testing HTTP/1.1 vs HTTP/2 vs HTTP/2 + Server Push for REST APIs

With HTTP/1.1 it was required to open 1 TCP connection per request, with HTTP/2 1 connection is opened per domain. Instead of delegating parallelism to compound documents, we can now actually rely on the protocol itself to handle this.

5 Tips for More Helpful Code Reviews

Having your code reviewed can be daunting. But it can also be very helpful. As reviewers, we can make the difference. Here are five tips to make your code reviews more helpful to the author.

Loud & Clear

It’s strange how many people who work or communicate in a distributed fashion treat the transmission of their voice as an afterthought.

Blast from the past

Deploys: It’s Not Actually About Fridays

"It’s not about Fridays. It’s about having a healthy ecosystem and feedback loop where you trust your deploys, where deploys aren’t a big deal, and they never cause engineers to have to work outside working hours."