github.com

Note Use yarn dedupe in Yarn v2+: https://yarnpkg.com/cli/dedupe This package only works with Yarn v1. Yarn v2 supports...

When your Rails application offers downloading a bunch of files as ZIP archive, you basically have two options:

Recently we detected a memory leak in one of our applications. Hunting it down, we found that the memory leak...

paweldabrowski.com

The linked content includes a few design patterns implemented with Ruby on Rails. What is the card indented to achieve...

These are the results of the "personal tech stack survey". I've included only the most popular mentions, maybe it...

This should be fixed in the latest LTS-branches of our mysql2 fork, 0.2.x-lts and 0.3.x-lts...

To read the Rails session from a Rack middleware, use env['rack.session']. It's an ActionDispatch::Request::Session object.

developer.mozilla.org

The inset CSS property is a shorthand that corresponds to the top, right, bottom, and/or left properties. It has the...

Issue: You have an app using jsbundling-rails and esbuild. After deploy, the assets built by esbuild are missing in...

While working on a Rails application, your code base will grow a collection of different file types including: Ruby (business...

In our monitoring, RabbitMQ queues like aliveness-test may show up as unresponsive, with a ping timeout after 10 seconds...

Ruby includes many standard gems that are bundled into the Ruby installation. Here is an example for the gem strscan...

DevOps Curriculum

Bei Automatisierungsaufgaben kannst du dich nicht immer auf fertige Tools verlassen. Häufig musst du eine Schnittstelle zu einem bestehenden System...

DevOps Curriculum

Based on the Ruby Basics Card in the developer Curriculum Ruby is the programming language we use on the backend...

In case you have trouble with the zeitwerk autoloader, you can check out the documentation Autoloading and Reloading Constants and...

Instead of using Puppet exported resources you can use the puppetdb_query feature. This can result in more complex code...

makandra Operations

How can I configure virtual IP's? There are two parameter to set up virtual ips in Keepalived: virtual_ipaddress...

tl;dr Since Rails 6.1+ you can use .compact_blank or .compact_blank! to remove blank values from collections (e.g...

When paginating records, we usually need to know the number of total records in order to render pagination links. Popular...

You can use the code below to check whether the browser can make connections to the current site: await isOnline...

Somewhat regularly, you will need to filter a list down to some items and then map them to another value...

joshmcarthur.com

I recently wanted to add a model for address information but also wanted to add a unique index to those...

blog.saeloun.com

Imagine these models and associations: class Deck < ApplicationRecord has_many :cards end class Card < ApplicationRecord belongs_to :deck, optional: true...

When changing code in mailers, updating the corresponding mailer preview can be forgotten very easily. Mailer previews can be tested...