RubyFlow The Ruby and Rails community linklog


The Ruby and Rails community linklog

Made a library? Written a blog post? Found a useful tutorial? Share it with the Ruby community here or just enjoy what everyone else has found!

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Using IMGIX to Personalize Knolled Images

Even here at Custom Ink, we use knolling to showcase our products. But how could we personalize knolled images to help our customers visualize their creations? We often use IMGIX to help us process & optimize catalog images and decided to give its blending capabilities a try out. Let’s jump right in and explore how.

Advanced Ruby exception handling

How many times have you, while investigating an (admittedly rare ;)) production bug, stumbled upon an exception backtrace that just doesn’t have enough information? For example, an exception gets reraised, destroying the original backtrace with it. So now your logs say that your AI failed to take over the world with AIEpicFailError (great, you already know that), but not why (Timeout::Error while connecting to [more inside]

RubyMine 2018.3 Released

The new version adds full support for Struct and rails scopes, improves i18n and refactoring features, allows you to work with pull requests right inside the IDE, and adds many other things. [more inside]

Why on earth do Fibers exist?

For a long time, I couldn’t understand what is the purpose of fibers in ruby. I could understand how to use then, but I didn’t understand when or why should I. This blogpost is a result of small research, I’ve do to find my answers.

You can see a real-world usage of Fibers in Ruby here:…

Building SQL Expressions with Sequel

It’s great to build SQL queries in Ruby. However, it’s not great when you have to drop to raw SQL as soon as you need to write a more complex SQL expression. At Citrusbyte we use Sequel, which has an extensive SQL expression API that allows us to build even the most advanced SQL expressions in Ruby. In this article I talk more about it and compare it with Active Record.


pry-auto_benching.rb is a Pry plugin that automatically benchmarks input entered into Pry, it is also available on RubyGems. Please check it out and let me know what you think.

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