Ruby On Rails

Tutorials

Dynamic form fields with Turbo Frames and Hotwire - YouTube

Dynamic form fields with Turbo Frames and Hotwire - YouTube In this video, I'll show you a neat trick to swap out form fields dynamically using Turbo Frames and a tiny bit of stimulus JS (only ~5 lines). This is something I've used on a few production projects and comes in handy. If you like this content, ...

How to roll your own authentication in Rails - YouTube

How to roll your own authentication in Rails - YouTube In this video, I show you how to make your own authentication in Ruby on Rails, from scratch. We make use of the has_secure_password module (don’t forget to enable the 'bcrypt' gem) and create a login form, logout and all of the helpers you will n...

Getting started with GraphQL in Rails - YouTube

Getting started with GraphQL in Rails - YouTube Learn how to set up a GraphQL server using Rails and the graphql-ruby gem. We’ll create mutations for login and register and a query to fetch the currently authenticated user account.Chapters:0:00 Intro0:27 Installing GraphQL2:19 Generate GraphQL ...

postmodern - introducing command_mapper

postmodern - introducing command_mapper Normally in Ruby if you need to write a method which accepts one or more arguments and executes a command, you would write something like this:.

How to Add Filtering

How to Add Filtering Having a way to filter records in a table was always clunky in Rails because you'd either have to write a lot of javascript and figure out how to make it work with pagination, or you'd not use Javascript at all and only do it server-side but that ...

How to fake time in a Postgres database: And an example Ruby on Rails app, too!

How to fake time in a Postgres database: And an example Ruby on Rails app, too! First things first, I am writing this despite my general opposition to faking time. Typically, when invoking an API in a unit or integration test, it’s preferable to pass time as a value as opposed to mutating a global clock. And if you’re writing...

Testing Techniques: The I/O Table

Testing Techniques: The I/O Table This article is also available in: PortugueseIf you work with database systems, I bet you’ve written a SQL query to retrieve rows in some specific order at least once in your career. Moreover, you may even have applied an ORDER BY with two or more...

Custom Ranges in Ruby

Custom Ranges in Ruby You need to generate an array of months between two arbitrary dates. Normally this sort of thing can be solved with a range but date ranges give you an entry for every day, not every month.You could generate all the days and then filter them such ...

Ruby 3.1 introduces Variable Width Allocation for Strings | Saeloun Blog

Ruby 3.1 introduces Variable Width Allocation for Strings | Saeloun Blog This post is in continuation of part 1 and in this blog, we will take a deeper look at how Variable Width Allocation works and how it can improve Ruby’s memory performance. Before getting into the VWA let us understand how large objects get alloca...

How to Create a CRUD App with Rails and React

How to Create a CRUD App with Rails and React Most web applications need to persist data in one form or other. When working with a server-side language, this is normally a straightforward task. However when you add a front-end JavaScript framework to the mix, things start to get a bit trickie...

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