Ruby On Rails

Tutorials

Recurring events library for Ruby

Recurring events library for Ruby Montrose is an easy-to-use library for defining recurring events in Ruby. It uses a simple chaining system for building recurrences, inspired heavily by the design principles of HTTP.rb and rule definitions available in Recurrence.

GraphQL on Rails: On the way to perfection

GraphQL on Rails: On the way to perfection In the previous parts of this tutorial we have built the prototype of a Martian Library application: a user can dynamically manage a list of artifacts related to the Red Planet in a modern SPA-fashion. It’s not quite the time to sit back and relax...

Generate strings that match a given regular expression

Generate strings that match a given regular expression Extends the Regexp class with the methods: Regexp.

Lefthook, Crystalball, and git magic for smooth development experience

Lefthook, Crystalball, and git magic for smooth development experience From this step-by-step tutorial, you will learn how to setup Lefthook git hooks manager, Crystalball test selection library, and also how to automatically install missing gems and migrate your database when you're switching to a feature branch and...

How We Migrated To Turbolinks Without Breaking Javascript

How We Migrated To Turbolinks Without Breaking Javascript It's 2019, so we decided it was time to take a more modern approach to the Honeybadger front end. We implemented Turbolinks! This is only the first step on an ambitious roadmap. In 2025 we plan to migrate to Angular 1, and we'll finish out the dec...

Adding devise_token_auth to an existing Rails app

Adding devise_token_auth to an existing Rails app Ruby on rails is still the frontrunner for getting an MVP(minimum viable product) out of the door. Eventual when things go our way we want to introduce F/E framework on the customer facing side for various reasons(continue using the admin part as ...

Debugging MySQL lock errors in Ruby on Rails

Debugging MySQL lock errors in Ruby on Rails To achieve data consistency MySQL applies a set of quite complex rules for locking. It is possible that more rows get locked than one might expect. Especially when there is a lack of relevant database indexes.For example the following Rails code p...

Dynamic image resizing with Ruby and Serverless framework

Dynamic image resizing with Ruby and Serverless framework If you’ve grappled with resizing images for various page layouts and devices, you know the pain of accounting for all different types of screens, the scaling problem that serving the full-size original image presents, and the fact that large image...

Using strftime in a Rails view is probably a mistake

Using strftime in a Rails view is probably a mistake The strftime method appears in many languages, all the way back to C. The syntax of the (mostly impenetrable) formatting arguments haven’t changed that much in years and they’re remarkably consistent across languages.Ruby’s version is comprehensiv...

Puma 4: Hammering Out H13s—A Debugging Story

Puma 4: Hammering Out H13s—A Debugging Story For quite some time we've received reports from our larger customers about a mysterious H13 - Connection closed error showing up for Ruby applications. Curiously it only ever happened around the time they were deploying or scaling their dynos. Eve...

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