Ruby On Rails

Tutorials

Rails Docker App: Setup

Rails Docker App: Setup In this paper will document the process of upgrading this standard monolithic rails app to be managed by Docker & Compose. In the next article, document how to update a more complicated modern SOA rails app to Docker and then deploy to production ...

How do Native Extensions Manage Memory? Part 1: Ruby (MRI)

How do Native Extensions Manage Memory? Part 1: Ruby (MRI) One of the most interesting design challenges in a programming language interpreter or VM is what kind of memory management API to offer to native extensions. This issue is more or less invisible unless you’re writing a native extension. When you...

How to build a network stack in Ruby

How to build a network stack in Ruby Like many young programmers I began my career without a degree in Computer Science or Software Engineering. The recent influx of approachableresources has made it easier than ever to start making apps and getting paid.

Introducing: BabySqueel. Elegant queries for Rails.

Introducing: BabySqueel. Elegant queries for Rails. Historically, Squeel has had trouble keeping up with the latest versions of Active Record. Currently, it is incompatible with Rails 5 and efforts to upgrade it have been frustrating. Squeel was originally intended to become part of the official A...

A Case for Composition

A Case for Composition I’ve read way too many blog posts about inheritance versus composition. All of them revolving around the is-a versus has-a relationship. If that subtlety has left you scratching your head, here’s a real life example. One of my first problems to s...

Improving Rails test helpers

Improving Rails test helpers A great productivity comes from the small things. When making sure that the app works fine on the new version of Rails, I had to fix failures like this one many many times:

Send SMS messages like emails in Rails with Textris

Send SMS messages like emails in Rails with Textris We’re going to take an example Rails application and replace the existing message sending code with Textris to see how it can tidy up our application. For this blog post, we’ll use a tutorial on sending instant lead alerts as our base. The applica...

How To Make Rails Json Output Decimal Numbers Instead Of Strings

How To Make Rails Json Output Decimal Numbers Instead Of Strings Working on an application I noticed that when getting JSON data from Rails the decimal numbers come as strings. Turns out this is to ensure it is still accurately rounded.If you don’t care about the rounding of large numbers then you can force Rai...

Running an IRC Bot in Ruby on OpenShift V3

Running an IRC Bot in Ruby on OpenShift V3 At Red Hat, all of our instant internal messaging is done through IRC. Because of this, many of our channels have a couple bots in them that do things like process links, report new pull requests, and keep track of users’ karma. What’s cool is tha...

Ruby’s Swiss Army Knife: The Enumerable Module

Ruby’s Swiss Army Knife: The Enumerable Module Incredibly useful, though un-intuitively named, Ruby’s Enumerable module is a kind of Swiss Army Knife, capable of solving a variety of problems with precise, compact tools. In many cases where people write Ruby that isn’t idiomatic, more akin to ...

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