Ruby On Rails

Tutorials

Common issues with CSV parsing with Ruby and solutions to them

Common issues with CSV parsing with Ruby and solutions to them Problem: you are parsing a large CSV file, and it takes a lot of time to process the whole file, or your server is running out of memory when the process is in the middle.Solution: when processing CSV files with Ruby, always use the CSV.foreach me...

Rate limiting using Redis in a Rails app

Rate limiting using Redis in a Rails app There are some popular gems like rack-attack and rack-throttle which work quite well and provides a lot of flexibility. But if you're looking to write your custom logic with minimum dependencies, then continue reading.We will create a middleware t...

How to delete jobs from Sidekiq Retries | Arkency Blog

How to delete jobs from Sidekiq Retries | Arkency Blog Hi future-me! This is just a list of snippets I might be looking for next time I suddenly have to deal with a huge list of failing Sidekiq jobs being retried over and over.

InvoicePrinter 2.1 with Ruby 3 support

InvoicePrinter 2.1 with Ruby 3 support Ruby 3 was released three months ago, so it was a time to support it in InvoicePrinter, a pure Ruby library for generating PDF invoices.InvoicePrinter 2.1 dependencies were upgraded to Prawn 2.4 and Ruby 3 by following the separation of positional...

The 6 Characters That Could Bring Down Your Rails App

The 6 Characters That Could Bring Down Your Rails App It all started with a ping from one of the team leads who noticed a recurring exception in Sentry. At the same time, DataDog showed the Postgres CPU utilization was spiking.Based on the Sentry logs, the team lead thought this exception was caused ...

Kubernetes Single Sign On - A detailed guide

Kubernetes Single Sign On - A detailed guide In this series of posts we cover how to setup a comprehensive group based single sign on system for Kubernetes including the kubectl cli, any web application with ingress, a docker registry and gitea. We'll cover most of the common SSO models so a...

Building DSL with Ruby

Building DSL with Ruby The DSL shortcut stands for Domain Specific Language. At first glance, it might sound a little bit mysterious, but the truth is you use it daily as a Ruby.In the above example, the “Domain-specific” means the routes definition. Rails provides a sp...

How to use Stripe Checkout in Rails (Example) | GoRails

How to use Stripe Checkout in Rails (Example) | GoRails Learn how to accept payments in your Rails app with Stripe Checkout using the Pay gem.

Rails 6, TailwindCSS, TailwindUI, and Stimulus New App Guide (November 2020)

Rails 6, TailwindCSS, TailwindUI, and Stimulus New App Guide (November 2020) Starting your new Rails 6 appGetting started on a new Rails 6.x app and want the latest TailwindCSS, Webpack, and Stimulus as your base development stack?Look no further! This article is all you need.I'll keep updating it over the course of the ne...

Add Tailwind CSS to a Rails app

Add Tailwind CSS to a Rails app In this post, I walk through a minimal set of necessary steps to get Tailwind CSS v2 working with Webpacker in a Rails 6.1 app.I read several posts on the topic and each was incomplete. This is what worked for me.AssumptionsYou already have a Rail...

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