Ruby On Rails

Tutorials

Stateless Forms with the Rails Attributes API: No Active Record? No Problem!

Stateless Forms with the Rails Attributes API: No Active Record? No Problem! One of the ironies of working with Ruby on Rails is that making a feature do less often results in more work. For a great example of this, consider the ingredients that go into a standard Rails form: route, controller, ERB template, Active Record ...

The What, the Why, and the How of Bloom Filter

The What, the Why, and the How of Bloom Filter Have you ever wondered how does Medium recommend blogs to read or how does a platform with millions of users tells if a username is available or taken? If yes, you have come to the right place, as we are going to look at the data structure that ma...

Fetching the top n per group with window functions

Fetching the top n per group with window functions Have you ever needed to get the most recent N posts for each user in rails, but didn’t know how to do it without using map?Or maybe something similar like:The first or last X comments for each postThe first or last Y payments for each customerThe ...

Thinking in Hotwire: Progressive Enhancement | Boring Rails: Skip the bullshit and ship fast

Thinking in Hotwire: Progressive Enhancement | Boring Rails: Skip the bullshit and ship fast There are many tutorials about how to get started with Hotwire and how to use the individual pieces. But one thing that took me a while to grasp was how to “think in Hotwire”.Hotwire itself is an overarching concept (HTML-over-the-wire) and you’ll...

Including Associated Data In A Sinatra API Response

Including Associated Data In A Sinatra API Response A scrum/kanban (we'll call it scrumban from here on out) board is used by development teams to provide a way to break down a project into smaller chunks of work that are able to be implemented in 2-to-4-week sprints. The scrumban board typically c...

Lessons in Debugging Coffee · Jamie Schembri

Lessons in Debugging Coffee · Jamie Schembri Our coffee machine is currently at the shop for repair, so we’re stuck drinking instant. It’s not fantastic, but it’s really all right in a pinch. In fact, my parents exclusively drink instant because it’s what they’re used to — seems like a prett...

Rubocop - Linting QuickStart for Ruby

Rubocop - Linting QuickStart for Ruby Knowledge Base: Lint, or a linter, is a static code analysis tool used to flag programming errors, bugs, stylistic errors and suspicious constructs.Make sure you have your ruby environment(check compatibility) working before proceeding.

Active Record Playground Runner Introduction

Active Record Playground Runner Introduction Have you ever wanted to just create an active record example to someone in your team without thinking in the database setup?Or maybe send two different models designs with some examples to see the difference, but the setup what just to.

Generate Sitemaps for Hanami applications! | Hanami Mastery

Generate Sitemaps for Hanami applications! | Hanami Mastery I have a sample Hanami application here which allows me to show the content of messages in the browser, by switching the dynamic segment in the URL - an ID of the message. I can also list them together under the /messages path if I remove the ID c...

Naming Things Is Hard - FastRuby.io

Naming Things Is Hard - FastRuby.io Even when you find the right name for something, it can still be a problem.Ruby allows us to do many things that could be difficult in other languages, we can modify classes and override methods on the fly, we can define new classes programmatical...

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