Not-so-private constants in Ruby

Sometimes intuition cheats us. That was a case for me with defining private constants in Ruby. Putting them within private block is not enough to achieve the desired effect.

[gem][alpha] TraceSpy - TracePoint + Pattern Matching

Playing with Ruby object model: prototypal inheritance

The article shows how to implement something resembling prototypal inheritance. While the end result shouldn’t be used in production, I think it’s an excellent opportunity to learn or systematize certain concepts of the Ruby object model. Read more

Programming Crypto Blockchain Contracts (in Ruby) Step-by-Step Guide / Book

Hello, I’ve started a new (free online) step-by-step guide / booklet titled “Programming Crypto Blockchain Contracts (with Ruby) Step-by-Step Book / Guide Let’s Start with P@nzi & Pyr@mid Schemes. Run Your Own Lotteries, G@mbling C@sinos and more on the Blockchain World Computer…”. The first chapter is online with ready-to-run contract scripts in ruby. Don’t Miss the Investment of a Lifetime! May the Brave be Rewared with Riches! Cheers. Prost.

Managing ActionCable Easily

Stimulus.js can be used to setup and tear down connection very easily, just by using the controller’s life cycle and changes to the page.

42 performance tips for Ruby on Rails

I listed 42 of my favorite performance tips for Ruby on Rails. Read more

How ActionCable broke Puma

A short, slightly technical, review of why ActionCable and Puma conflict and why AnyCable or iodine should be used:

Eileen Uchitelle on Getting into Programming, Joining the Rails Core Team, and more

In this episode, Eileen Uchitelle joins Chris Oliver and Jason Charnes to share her journey into programming, how she began contributing to Rails (and subsequently joining the Rails Core Team), and other fun facts/stories around software development. Read more

How to Protect Individual Resources with Passwords

Hello! I’d like to share a simple technique for password-protecting individual resources in Rails apps:

Data Structures From Scratch (ebook)

A brisk introduction to essential, advanced, and persistent data structures using the Ruby programming language. Read more

Ruby's p vs puts Method

The puts method in ruby is very popular all over the internet it’s generally used by ruby programmers for debugging purposes and to output the value of certain variables so we can see what’s goin on in our system. However puts can sometimes lead you astray because of how it converts everything into a string. See how p is different from puts

Enumerate through paginated REST API resources

When working with a JSON API that exposes a list of resources we typically are in presence of paginated results. Today we enable a client library to efficiently enumerate through resources while hiding the complexity of pagination

Chain of responsibility pattern in Ruby on Rails

While we were working on a project we stumbled upon some legacy code that consists of huge ‘if else’ statements. In this post we’ll show you how we refactored it using the Chain of responsibility pattern. Chain of responsibility pattern in Ruby on Rails

Who takes out your trash?

Rain Leander, Technical Program Manager for OpenStack at Red Hat, and Sanne Kalkman, software engineer, on Red Hat Linux and Ruby, and garbage collection respectively:

How to increase app performance by 5-20% (by optimizing rendering time)

crazy idea how to improve performance in your Rails application (if you using ERB, but maybe similar could be implemented for slim/haml/etc). Read more

Faster CSV downloads using Enumerator

ActiveStorage variants are persisting original image EXIF metadata

Imagine you are using Rails 5.2 ActiveStorage. Now you upload an image, render it with app.url_for my_model.image.variant(resize: '400x300') and discover that it’s rotated 90 deg to you would normally expect. You copy paste the link to the image to the browser and discover the image is rotated correctly. How is that possible? Read more

Backport support for embedded ERB in Slim views

for developers who are using Slim templates with embedded ERB. Read more

First explorations of GitHub's Actions

With the help of a friendly Hubber we set out to automate the workflow of releasing a Ruby gem, based off of the GitHub Action for npm:

Consuming SendGrid and Twilio webhooks in Rails

Popularizing your Ruby gem

Once you’ve published your own ruby gem, learn what to do next to get the most out of it. Promote your ruby gem and engage with the developers in the Ruby community Read more

How to neatly organise assets in a Rails app

Rails comes packed with a lot of useful conventions. However, it doesn’t say much about how we should organise our front end assets. Here is a way in which we can leverage the same conventions we use to organise our controllers and views to have a neatly organised assets directory. Read more

Here to stay - Analyzing RubyGems stats for 2018

What’s up with Ruby? With all the ups and downs in 2018, is it dead or alive? Here at Infinum, we’ve done our research and compiled some stats so check it out. You’re welcome.

Time Zones From A Developer's Perspective

Have you ever wondered how timezones (correctly) works on Ruby on Rails, React and PostgresSQL? Do you wanna know some best practices about it? Read more

Features in Ruby I Miss While Working in Python

For a long time, I worked primarily on the Ruby on Rails stack. Recently, I moved back over to Python and Django. Both Ruby and Python are a joy for programming! They’re easy to learn and enable software developers to be productive very quickly. However, there are some features of Ruby I miss while working in Python. Read more