Ruby On Rails

Tutorials

Resiliency toolkit for Ruby for failing fast

Resiliency toolkit for Ruby for failing fast Semian is a library for controlling access to slow or unresponsive external services to avoid cascading failures.When services are down they typically fail fast with errors like ECONNREFUSED and ECONNRESET which can be rescued in code. However, sl...

Ruby bindings for Apache Arrow based on GObject Introspection

Ruby bindings for Apache Arrow based on GObject Introspection Red Arrow is a Ruby bindings of Apache Arrow. Red Arrow is based on GObject Introspection.Apache Arrow is an in-memory columnar data store. It's used by many products for data analytics.GObject Introspection is a middleware for language bindings o...

Postgres json column Rails @ Casper – The Casper Tech Blog: Z – Medium

Postgres json column Rails @ Casper – The Casper Tech Blog: Z – Medium As part of an engineering team that has been using a json column in production for two years, things can sometimes feel a bit lonely. Googling around for blog posts about the json column, you’ll find a fair number of discussions of the feature on ...

Building APIs with Ruby on Rails and GraphQL

Building APIs with Ruby on Rails and GraphQL Designing APIs for mobile and web applications has become a very common problem today. Since the burst of smartphones a decade ago (and with them, the explosion of mobile apps) REST APIs have become the main standard to exchange data between appli...

372 Bullet - RailsCasts

372 Bullet - RailsCasts Short Ruby on Rails screencasts containing tips, tricks and tutorials. Great for both novice and experienced web developers.Bullet will notify you of database queries that can potentially be improved through eager loading or counter cache column. ...

Routing Partials

Routing Partials The routes file can grow to be unmaintainable and messy. Learn to keep things organized by extracting out blocks of routes into their own files.

On Cleaner Controllers

On Cleaner Controllers A few days ago, I worked on a project that was mostly about serving up basic store data (modeled after Etsy) to an API.We had a few dozen end-points, and all responses were in JSON.Most of the action happened inside of our controllers, and as you ...

How to find and fix bug in JRuby and don't go crazy

How to find and fix bug in JRuby and don't go crazy Hi there. I wrote this post to show how much effort is invested in small and simple one-line pull request. I tried to show the whole process from the appearance of the problem upon fixing it and sending patch back to upstream.Other day I tried new...

How to Build a Ruby SlackBot

How to Build a Ruby SlackBot Why a Slack bot? Well, like it or not, a developer’s work has a great deal of team communication and Slack is a great platform for it. Let’s face it, we spend some time in it and it’s a great place to have a bot! Also, this platform has become mor...

Rails 5.1 does not share thread_mattr_accessor variable with subclass

Rails 5.1 does not share thread_mattr_accessor variable with subclass Rails 5.0 provides mattr_accessor to define class level variables on a per thread basis.However, the variable was getting shared with child classes as well. That meant when a child class changed value of the variable, then its effect was seen in t...

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