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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Module in Ruby
Ruby has many strengths and is a very malleable language. Ruby can be written functionally or object oriented. I tend to lean toward the latter and find myself using a few different patterns regularly. One powerful tool Ruby provides is the use of Modules. You can learn how to use this tool by extending and including modules
Validates_Subset a subset validator for Rails
Do you suddenly wake up in a cold sweat, wondering if there is finally a way to validate that your data is a proper subset that you desire? I too have experienced this horror, and that is why I made a rails style subset validator.
Ruby and Rails Testing Changes Roundup
Over the past few months, there have been a number of developments that will affect the way you test your Ruby code and Rails applications in the future, but you might not have heard about them unless you were paying close attention. This post collects some of the most interesting and important changes in one place.
JRuby - Just Ruby
What is JRuby? Well it is just Ruby, with some sweet performance and parallelism of course! Read about it, who uses it and other advantages here: JRuby - Just Ruby
Citizenship - simple yet useful validation of Portuguese cards
Citizenship is a simple gem that allows validation of Portuguese documents or common identifiers, such as citizen card numbers, bank account numbers (NIB), fiscal numbers (NIF) and more. As most of these IDs have some kind of checksum, Citizenship calculates and verifies them accordingly. We also provide some convenient methods for validating local phone numbers and email addresses. [more inside]
How to write Rails middleware
Third part of my series about Rack and Rails. This time, the topic is writing Rails middleware. You can read the article here.
4 Easy Ways to Speed Up Your Rails App
Post on the Skylight Blog by @wycats walking through some low-hanging-fruit for boosting the performance of your Rails App.
Using Enumerable as testing abstraction
Enumerable is a very powerful Ruby module. In some cases it can be used to introduce abstraction, decouple from explicit dependencies and simplifying tests. Read about it in my latest article.
Testing an Event Sourced application
Some time ago I’ve published a sample application showing how to build a simple event sourced application using Rails & Rails Event Store. But there was a big part missing there - the tests. [more inside]
Creating Single Page Applications with Rails & Ember.js.
A neat slides deck explaining why would a Rails programmer fall in love with SPA.
How to “try again” when exceptions happen in Ruby
Ruby provides a few interesting mechanisms that make it easy to “try again” when exceptions happen - though not all of them are obvious or well-known. In this post we’ll take a look at these mechanisms and how they work. http://blog.honeybadger.io/how-to-try-again-when-exceptions-happen-in-ruby/
Using Javascript Libraries in Opal and Vice Versa (Video)
In Episode 8 you can learn how to import Javascript libraries into the “Ruby World” using Native. You can also export Ruby objects using to_n.
Building a Form Data Service with Rails Part2 (video)
Continuing our “Building a Form Data Service with Rails” video series, I’m going through the process of adding the user registration and login features. Check it out!
Droste (self-replicating images) with Ruby & RMagick
I’ve published a new experiment on “cool” graphics with Ruby & RMagick: drosterize, which does self-replicating recursive images. And also shared some thoughts on implementing it.
Sending Transactional Emails From Rails
It seems transactional emails are an afterthought for developers, but it’s an important part of doing business online. The most successful software business, especially ecommerce, optimize their transactional emails to increase engagement and revenue. If you want to leverage (or help your client leverage) transacational emails as a communication tool that drive business results, I’ve compiled the best content on the topic into an email course for you. In the email course, we’ll cover… ++ What exactly are transactional emails? And why are they important? [more inside]
Stacks and Linked Lists in Ruby
An article discussing some of the more basic data structures done in Ruby. This article explores a Stack, implementing it with a Linked List.
Taskmanaging Your App, Part 2: Service Objects
Everything provides a service these days, including the software that we write! But sometimes, our own code needs a service to show up and handle a task. Enter service objects, a simple way to use Plain Old Ruby Objects to service your application. This blog post explains how and when to abstract and encapsulate your ideas into a service object and help you separate your concerns.
New feature in Rails 5: render views outside of actions
Ravil Bayramgalin writes about a feature he did for the upcoming Ruby on Rails version, rendering views outside of actions (such as, in background jobs or when producing email attachments). [more inside]
Scaling Applications with Multiple Database Connection
As a programmer, we can configure our application to work with multiple databases. In this document we are going to explain how we can achieve this in a Rails application. To read full visit : RailsCarma Blog
TTY v0.2.0 release
tty becomes even more modular with new components such as tty-which, tty-pager, tty-platform. Please see documentation for individual component or brief overview at tty project page under “searching executables”, “detecting platform”, “output paging”.
Using TracePoint to explore complex exception behavior in Ruby
Ever wanted to know which method caused an exception - even if the exception was swallowed before you could get your hands on it? You can do all this and more with the magic of TracePoint. http://blog.honeybadger.io/using-tracepoint-to-explore-complex-exception-behavior-in-ruby/
New RubyTapas freebie, and a birthday sale
Hi all! I’ve put up a new RubyTapas freebie video today. It’s about un-indenting strings. This is a solved problem, of course; but this video walks through the process of applying assorted handy Ruby features to take it from several lines of code to one very succinct line. You might learn something new along the way. See the episode, along with some celebratory birthday discounts, here.
Visualizing Garbage Collection in Ruby and Python
Are Ruby and Python implemented in a similar way internally? Pat Shaughnessy compares how garbage collection works inside of each language. [more inside]
Using Ruby Threads
Do want your Ruby app to take advantage of concurrency? Learn what are threads and how to use them -> http://www.blackbytes.info/2015/07/ruby-threads/ Please share if you like it :)