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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Don’t Use “#” In the Paperclip Gem

I’ve learned a whole lot more about ImageMagick commands last week than I ever really wanted to know. The problem was that our uploaded images were having content cropped off the top, bottom, and sides. Like many folks in the Rails world, we pass our attachments through Paperclip to handle all of the nitty gritty resizing operations. I was interested in understanding how we could prevent our content from being cropped…:

Fixing a slow Rails development server

We recently helped one of our clients speed up their Rails app in development. Please join us on this journey towards better performance, developer-happiness, and saving $$$!


Reading a lot of news-sites is tiring. Being top-informed on Reddit, Ycombinator, Makernews, Datatau, Coinspotting and many more has become a hassle. The Newscombinator combines all those sites and grabs it from a publicly available API. [more inside]

Slack on Rails

How to add a Slack integration to your Rails apps. (Spoiler alert: it’s super easy.) [more inside]

Released AS::Duration

I’ve just released AS::Duration, which is an extraction of ActiveSupport::Duration. If you’re in a non-Rails project, and you want the lovely 2.days.ago and 1.month.from_now syntax (but without having to pull in ActiveSupport), this gem is for you!

Thanks, great idea!

Lex tool in Ruby released!

I’ve released lex, a Ruby implementation of GNU lex tool. I’m looking forward to community contributions in implementing lexers for the many languages inside the lexers.

SOLID Review: Dependency Inversion Principle

The final SOLID principle is known as the Dependency Inversion principle. Arguably the most important of the five principles, the Dependency Inversion principle can be thought of as a culmination of the principles preceding it. Systems that abide by the other SOLID principles tend to follow the Dependency Inversion principle as a result. [more inside]

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