Ruby On Rails

Tutorials

Upgrading Ruby on Rails from 3.2 to 4.2

Upgrading Ruby on Rails from 3.2 to 4.2 At work we’ve recently finished upgrading the Rails version from 3.2 to 4.2 of our legacy application created in 2011.I collected here the experience and the lessons I learned during the process along with some undocumented changes and solutions f...

RR 420: Stimulus

RR 420: Stimulus Today’s topic is the Stimulus library. Stimulus is actually a JavaScript framework and library, but it’s also built by Basecamp, so it works really well in Rails. There is a demand for rich client side interactions, and Stimulus fills in some of t...

Rails 6 adds hooks to Active Job around retries and discards

Rails 6 adds hooks to Active Job around retries and discards Before Rails 6Before Rails 6, we have to provide a custom block to perform custom logging and monitoring around retries and discards of the jobs defined using Active Job framework.

How to test Ruby methods that involve puts or gets

How to test Ruby methods that involve puts or gets What makes the ask_for_number method challenging to test is a dependency. Most methods can be tested by saying, “When I pass in argument X, I expect return value Y.” This one isn’t so straightforward though. This is more like “When the user sees o...

Simple Way to Encrypt and Decrypt Data in Rails without using Gems

Simple Way to Encrypt and Decrypt Data in Rails without using Gems Storing sensitive data in plaintext can seriously harm your internet business if an attacker gets hold of the database. Encrypting data is also a GDPR friendly best practice. In this tutorial I will describe a simple way to securely encrypt, store...

How to Store Secure Encrypted Data in Rails without using Gems

How to Store Secure Encrypted Data in Rails without using Gems Storing sensitive data in plaintext can seriously harm your internet business if an attacker gets hold of the database. Encrypting data is also a GDPR friendly best practice. In this blog post I describe a simple way to securely encrypt, store and...

Deploy AnyCable with Capistrano and systemd

Deploy AnyCable with Capistrano and systemd AnyCable brings performance, stability, and scalability to WebSockets in Ruby/Rails. For some reason, it lacks only one thing – deployment documentation.We primary use AWS as an infrastructure solution and happy with it. Capistrano gives us power ...

Terraforming legacy Rails applications guides and tools

Terraforming legacy Rails applications guides and tools A collection of tools and guides to help you turn legacy code into legendary code.Based on the RailsConf 2019 talk "Terraforming legacy Rails applications" (slides, video).

I just made Ruby++

I just made Ruby++ How’s that? Can’t an object modify itself?It sort of can, but really it can’t. An object can modify any of its instance variables, sometimes a string can modify itself.But it turns out that numbers aren’t even stored like other objects in Ruby, bu...

Sorbetting a gem, or the story of the first adoption

Sorbetting a gem, or the story of the first adoption NOTE: this post was written a few days after the first public Sorbet release (on 2019-06-20). If you're reading this months after that happened, most of the things described here could be no longer relevant.Stripe has finally open-sourced their lo...

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