Roobykon Ruby Digest 2018 : Issue 3


Roobykon Ruby Digest 2018: Issue 3

They say that a week is a long time in politics – which must mean that in the world of technology, 23 years is a very long time ago indeed. It has indeed been more than two decades since Ruby appeared, but as Debbie Pearson notes in one of our featured posts for this Ruby Digest, a vibrant Rails community means the language is as fresh now as ever – and the items below are great examples of this…

Ruby on Rails — Tools and tips (part 1)

Ruby on Rails — Tools and tips

Looking around for content to feature on Ruby Digest, there’s never any shortage to choose from. That’s great news, but the amount of information out there can be a little overwhelming; luckily, Paulo Santos is on hand with a roundup of the most important things to know. 

Is Ruby on Rails a Good Framework for Building a SaaS product?

Ruby on Rails Framework for Building a SaaS product

Remember when buying software meant going to a store and dropping a large (but rather light) box into your shopping cart? We do, and we’re glad they’re over – Software as a Service (SaaS) offers a far better user experience. And RoR is a great framework within which to build it.  

Deploying Ruby on Rails application using HAProxy Ingress with unicorn/puma and websockets

Deploying Ruby on Rails application using HAProxy Ingress with unicorn/puma and websockets

After months of meticulous testing, Rahul Mahale and his team recently moved to the production phase of a Ruby on Rails application that makes use of the Kubernetes cluster. Here he discusses how to set up path-based routing for apps like this one using HAProxy ingress.

How I've Built a Profitable Slack Bot as a Side Project in Rails

Built a Profitable Slack Bot as a Side Project in Rails

Sometimes, unpopular things need to be said – but in a team environment, people can can be too shy to say them. Abot, a Slack Bot build in Rails, lets you reply anonymously to Slack conversations; here, developer Pawel Urbanek explains how he made his project profitable. 

Memoizing in Ruby

Memoizing in Ruby

Memoization is simply the practice of reusing values after they have been calculated, and is now so widespread as to have become part of idiomatic Ruby. In an earlier post, Bradley Schaefer made an ‘off-hand’ reference to getting round the problem of using memoization for falsy values; here, he digs a little deeper.  

The correct emails configuration in Rails

The correct emails configuration in Rails

Sending emails in Rails is easy, says Alessandro Rodi of Renuo AG – and yet, there are many  simple errors that can lead to suboptimal performance. So, from using deliver_later, to implementing an effective testing regime, here’s how to do it right. 

Ruby on Rails: 5 Checks to Make Before Launching Your App

Ruby on Rails: 5 Checks to Make Before Launching Your App

You’ve invested vast resources in establishing your knowledge base, building a team, attracting clients, and developing projects together. But as things finally near completion, how can you be sure that each and every part of what you’ve made is polished to perfection? 

RabbitMQ is more than a Sidekiq replacement

RabbitMQ in Ruby

Suffering various annoyances with Sidekiq, developer Stanko Krtalić Rusendić decided to jump ship and try his luck with RabbitMQ instead. He hoped it would prove a more capable replacement – but in practice, it’s been even better than that. 

Using `yield_self` for composable ActiveRecord relations

`yield_self` for composable ActiveRecord relations

Yield_self has been widely compared to Elixir’s pipe operator – but, says Derek Prior, while he uses and enjoys the pipe operator in Elixir, it can be rather difficult to imagine how yield_self might be used in Ruby code. But after a client project was updated to Ruby 2.5, this all changed. 

JSONify your Ruby Translations

JSONify your Ruby Translations

Though it originated in Javascript, JSON is by now a ubiquitous format for storing and transmitting complex nested data in every major programming language. Here, programmer and polymath Chris Salzberg explains how to JSONify your Ruby Translations.


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