Ruby On Rails

Tutorials

How to Perform Concurrent HTTP Requests in Ruby and Rails

How to Perform Concurrent HTTP Requests in Ruby and Rails Let’s start by describing what’s a blocking I/O. Long story short, any operation that does not directly use the CPU cycles from its thread, but instead delegates the work to external processes is a blocking I/O. Typical examples in the context of ...

Building a Mocking Library in Ruby

Building a Mocking Library in Ruby This tutorial is based on Andy Lindeman’s awesome talk — Building a Mocking Library presented at Ancient City Ruby 2013. This is not a direct transcript of the video, but the code presented is almost the same (with minimal changes).In his talk, An...

Configurable framework agnostic plain Ruby email validator. Verify email via Regex, DNS and SMTP. Be sure that email address valid and exists.

Configurable framework agnostic plain Ruby email validator. Verify email via Regex, DNS and SMTP. Be sure that email address valid and exists. 🚀 Configurable framework agnostic plain Ruby 📨 email validator. Verify email via Regex, DNS and SMTP. Be sure that email address valid and exists. -.

A Ruby CSS parser that's fully compliant with the CSS Syntax Level 3 specification.

A Ruby CSS parser that's fully compliant with the CSS Syntax Level 3 specification. Crass isn't terribly fast. I mean, it's Ruby, and it's not really slow by Ruby standards. But compared to the CSS parser in your average browser? Yeah, it's slow.Crass only parses the CSS syntax.

Rails Flaky Spec Solutions

Rails Flaky Spec Solutions I have written about how our teams are dealing with flaky ruby tests in legacy projects. In this post, I want to show, how we can teach about common testing pitfalls and how to avoid them.In this post, I want to introduce a new project Rails Flaky...

The Complete Guide to Migrate to Strong Parameters

The Complete Guide to Migrate to Strong Parameters Migrating from Protected Attributes to Strong Parameters in a Rails project can be a huge step of the upgrade process. Especially when we are upgrading a large application. This guide is meant to help you tackle that step faster and with a lot les...

From Single drop-down to Multiple check-boxes

From Single drop-down to Multiple check-boxes Follow the incremental approach below. Divide the entire problem into small sub-problems and deploy them one by one:define the new DB structurefill it in along with the old DB structure simultaneouslymigrate the old data to the new onedefine the n...

Continuous deployment Ruby application to Minikube with Google's Skaffold

Continuous deployment Ruby application to Minikube with Google's Skaffold Kubernetes has made it very easy to deploy and scale applications to the cloud than ever. Still, the development process has not evolved at the same speed.Today, most developers try to either run parts of the infrastructure locally with docker or ...

How to use AWS Cloud9 for Ruby on Rails development (Example) | GoRails

How to use AWS Cloud9 for Ruby on Rails development (Example) | GoRails Ever wanted an editor and Rails environment you can use anywhere? Cloud9 is the perfect option for this and can run on an EC2 instance in your AWS.AWS Cloud9 is an in-browser text editor you can use for Ruby on Rails development. It installs on a ...

Reverse Coverage: Find which tests execute which lines of code

Reverse Coverage: Find which tests execute which lines of code Occasionally it could be useful to discover how is tested/executed/documented (in the way of tests as Living Documentation) a line (or set of lines) of an application.For example, when you create a part that stands over a product (like a Rails Eng...

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