Ruby On Rails

Tutorials

A Ruby library that encodes QR Codes

A Ruby library that encodes QR Codes RQRCode is a library for creating and rendering QR codes into various formats. It has a simple interface with all the standard QR code options. It was adapted from the Javascript library by Kazuhiko Arase.QR code is trademarked by Denso Wave incMi...

Accurate current and historical timezones for Ruby with support for Geonames and Google latitude - longitude lookups.

Accurate current and historical timezones for Ruby with support for Geonames and Google latitude - longitude lookups. Accurate current and historical timezones for Ruby with support for Geonames and Google latitude - longitude lookups. - panthomakos/timezone.

Creating multiple models with form objects in Rails.

Creating multiple models with form objects in Rails. Update: User MelissaLiberty from Reddit pointed out how they would improve the form object and some of it faults. The form object has been updated to reflect their excellent points. Often, when we start a new Rails app we start with simple control...

Rails 6 adds dig method to ActionDispatch::Request::Session

Rails 6 adds dig method to ActionDispatch::Request::Session The Rails session object supports many hash methods. Ruby 2.3 introduced dig method to Hash, for safe hash traversal. Rails 6 brings dig method to ActionDispatch::Request::Session similar to Hash.

Start It Up: Improving JRuby's Startup Time

Start It Up: Improving JRuby's Startup Time Before we get started running numbers and tweaking flags, you may be wondering why startup time is such a big deal. Most applications are deployed pretty rarely. right? Even the most aggressive organizations usually won’t redeploy more than once a...

Delightful Goodbyes: Fully Deleting User Data

Delightful Goodbyes: Fully Deleting User Data At Monolist, we’re building the command center for engineers. We integrate with all the tools an engineer uses, aggregate their tasks, and provide intelligence to make sure that nothing slips through the cracks.Unfortunately, like any company, we ...

Rails Authentication From Scratch. Going Beyond Railscasts

Rails Authentication From Scratch. Going Beyond Railscasts If you have to implement authentication in your rails app, Devise is your safest option. Rolling your own is shooting yourself in the foot.But using Devise didn't feel like coding to me. It's like setting up your new mac by reading instructional b...

Building Tests in Ruby: Expectations and Matchers

Building Tests in Ruby: Expectations and Matchers When building tests in Ruby, expectations are a very important component. They allow you to set the intended results of the function, method, class, etc. that you are testing. The way that we set expectations in Ruby tests is by using expect(code)...

Use a custom validator

Use a custom validator Active Model’s validations, used by calling validates inside your model with various options, can be supplemented with your own custom classes. The Rails Guides contains a section on custom validations.

Making friends with RuboCop

Making friends with RuboCop At Memory.ai, we started using RuboCop heavily. This is a story of how we integrated RuboCop into our existing app.This is not an introductory post to RuboCop. Check out what RuboCop is before diving into our experience report.We started with rubo...

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