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Provides daylight savings aware transformations between times in different timezones.
Featured Gem // Category Date and Time Processing

Awesome Ruby Newsletter ยป 117

Top Stories
  • The often overlooked consideration when choosing Ruby as your next programming language
  • After 6 months of blogging using the Wordpress engine, I decided to switch to my own Ruby blogging engine that I created from scratch. I prepared the summary with the pros and cons
  • Guide to Upgrade Rails from 5.1 to 5.2
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The Definitive Ruby Tutorial For Complete Beginners

I just released my first ever Ruby MEGAGUIDE!

It's all about the basics of Ruby & it starts from the very beginning, so it's perfect for new learners :)
Tutorial Added by: jesus_castello //

Typhoeus vs RESTClient

Popular comparison
  • Typhoeus - Typhoeus wraps libcurl in order to make fast and reliable requests.
  • RESTClient - Simple HTTP and REST client for Ruby, inspired by microframework syntax for specifying actions.



Feature flipping for ANYTHING. Make turning features on/off so easy that everyone does it. Whatever your data store, throughput, or experience.
Featured Gem // Category Feature Flippers and A/B Testing

Geocoder vs Geokit

Popular comparison
  • Geocoder - A complete geocoding solution for Ruby. With Rails it adds geocoding (by street or IP address), reverse geocoding (find street address based on given coordinates), and distance queries.
  • Geokit - Geokit gem provides geocoding and distance/heading calculations.

You Give Code a Bad Name

In this piece aimed especially at newer developers and Bon Jovi fans, Guava developer Chico Carvalho discusses some insightful points on the subject of naming stuff.
Article Added by: filipewl //

Writing Zsh Completion for Padrino

I'm a user of the Z shell (zsh). It is easy to customize your prompt and to have more abilities for tab completion of the most used programs with this shell. If you are lazy or new to a new command line tool with a huge amount of options, this will help you in the beginning to remember the commands. When you use [git]( you can press tab to see all available options you have in the current context. The same functions aren't available for Padrino and t...
Article Added by: wikimatze //

Guide to Upgrade Rails from 5.1 to 5.2

Article Popular Story //

tty-pie_chart - draw pie charts in your terminal

Library Popular Story //

Last 7 Days


Rack middleware to help measure production code coverage.
Featured Gem // Category Code Analysis and Metrics

Rails Collection Caching

Caching for hoarders: learn how to cache an entire collection effeciently in Rails in AppSignal Academy #21!
Article Added by: tombruijn //


RDoc produces HTML and command-line documentation for Ruby projects.
Featured Gem // Category Documentation

CanCanCan vs Pundit

Popular comparison
  • CanCanCan - Continuation of CanCan, an authorization Gem for Ruby on Rails.
  • Pundit - Minimal authorization through OO design and pure Ruby classes.

Rails 5.2.1, skip caching nil entries and more

Update Popular Story //

Error Handling in Ruby: Part I

Article Popular Story //


Error monitoring for Rails, Sinatra, Rack, and plain Ruby apps.
Featured Gem // Category Error Handling

will_paginate vs Kaminari

Popular comparison
  • will_paginate - A pagination library that integrates with Ruby on Rails, Sinatra, Merb, DataMapper and Sequel.
  • Kaminari - A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for modern web app frameworks and ORMs.

Authlogic vs Devise

Popular comparison
  • Authlogic - Authlogic is a clean, simple, and unobtrusive ruby authentication solution.
  • Devise - A flexible authentication solution for Rails based on Warden.


Rails form builder that makes it easy to create forms with Bootstrap 4 markup
Featured Gem // Category Form Builder

Mastodon vs diaspora*

Popular comparison
  • Mastodon - A GNU Social-compatible microblogging server
  • diaspora* - A privacy aware, distributed, open source social network.

The Definitive RSpec Tutorial With Examples

Would you like to learn how to write tests for your Ruby applications using RSpec? This tutorial is for you! You'll learn how to get started with RSpec & write your first test step-by-step.
Tutorial Added by: jesus_castello //

EuRuKo Open Source Poster Presentation CFP

Article Popular Story //


Opal Ruby wrapper of React.js library.
Featured Gem // Category Implementations/Compilers

Thor vs GLI

Popular comparison
  • Thor - A toolkit for building powerful command-line interfaces.
  • GLI - Git-Like Interface Command Line Parser.