Ruby On Rails

Tutorials

Tutorial: Distributed Tracing in Ruby with OpenTracing

Tutorial: Distributed Tracing in Ruby with OpenTracing However, distributed tracing - which connects a transaction trace across microservices - is getting a lot easier. In this short tutorial, I'll show how to add distributed tracing to your Sinatra web apps via OpenTracing, a vendor-neutral tracing A...

A DSL for Field-level Rails Cache Invalidation

A DSL for Field-level Rails Cache Invalidation In modern web development, caching is a quick and powerful way to speed things up. When done right, caching can bring significant improvements to your application’s overall performance. When done wrong, it will most definitely end in disaster.

How do Ruby

How do Ruby There are probably some mistakes in this post (as research for this post I read parts of the code for 14 different profiling libraries and most of those I hadn’t looked at before today), please let me know what they are!.

Comparing Timestamps in Rails

Comparing Timestamps in Rails In most cases, this frees you up to write code without having to explicitly convert between types or even know which types you’re comparing. But eventually you might find yourself try to test the equality of two timestamps which should logically b...

Do not run Rails with pending migrations

Do not run Rails with pending migrations Database migrations are the tricky part of any deployment. They make zero-time deploys problematic. They requires special attention since they can break stuff. Some might choose to run migrations automatically,.

Mixins in Python and Ruby Compared

Mixins in Python and Ruby Compared The venerable “mixin” is a technique I learned as a Python developer. Now, after writing Ruby code for the past year, I’m excited to compare how these two languages approach mixins, including similarities, differences, and traps. There will be code!.

Lightweight Tests for your Nginx API Gateway

Lightweight Tests for your Nginx API Gateway An API Gateway is a design pattern often used in microservice architecture to provide a single access point to the underlying system. While building the Meltwater API, we have frequently used this design pattern.

Testing your JavaScript... with Ruby?!

Testing your JavaScript... with Ruby?! While Codest is primarily a Ruby shop, one of the many projects we’re building is in JavaScript. It’s a client-side library which runs in a pretty challenging environment: it has to support pretty much every browser in existence, including very ol...

How to Test Multiple WebSocket Sessions With Minitest and Rails 5 System Tests

How to Test Multiple WebSocket Sessions With Minitest and Rails 5 System Tests Handling multiple WebSocket sessions with Rails 5 system tests, Capybara, and Minitest can be very confusing. Here are some ways to cleanly handle these.

CRuby, MRI, JRuby, RubySpec, Rubinius, YARV: A Little Bit of Ruby Naming

CRuby, MRI, JRuby, RubySpec, Rubinius, YARV: A Little Bit of Ruby Naming If you've spent a little time in Ruby-land, you have have encountered the names "CRuby" or "MRI". You've almost certainly heard of JRuby, and perhaps a few "other" Rubies like Rubinius, TruffleRuby and maybe even a few "exotic" Rubies like Opal, I...

Get in Touch

Ruby On Rails Bosnia

[email protected]

[20121, 9019, 15888, 13147, 19450, 12843, 8862]