tl;dr You can use attribute? as shorthanded version of attribute.present?, except for numeric attributes and associations. Technical Details

The gemspec for gems allows to add metadata to your gem, some of which have a special meaning and are...

You can use Unpoly's up.on with a named listener function and immediately unbind this event listener with { once: true...

In Chrome DevTools you can use getEventListeners(object) to get a list of registered event listeners on the specified object...

When you need information about a gem (like version(s) or install path(s)), you can use the gem binary...

If you're deploying code for your lambda function via terraform, this code is usually zipped and uploaded to Amazon...

If you're using many terraform root modules in a repository, downloading common providers like the AWS one can quickly...

tl;dr: Use the URLSearchParams API to make your live easier if you want to get or manipulate query parameters...

Due to the way we setup Jasmine tests in our projects, you may run into various errors when Jasmine boots...

This card explains how to generate an entity relationship diagram for your Rails application. We also show how to limit...

Sometimes you will need an input field which wraps content and grows in height as soon as content gets longer...

Redis.current will be removed without replacement in redis-rb 5.0. Version 4.6.0 adds deprecation warnings for Redis.current and Redis.current=: `Redis.current...

While we are used to run our JavaScript tests on a test page within our Browser, it's also possible...

makandra dev

I recently was in a weird situation where my (Jest/CLI) tests were referencing a function that was no longer part...

RSpec's let allows you to super into "outside" definitions, in parent contexts. Example: describe '#save' do subject { described_class.new(attributes...

makandra dev

To ensure a consistent code style for JavaScript code, we use ESLint. The workflow is similar to integrating rubocop...

This are the steps I needed to do to add esbuild to an application that used the vanilla rails asset...

DevOps Curriculum

Wir wollen im Detail verstehen, wie in Unix-Systemen Prozesse gehandhabt werden und wie wir Prozesse aus dem Userland behandeln...

Um Server Infrastrukturen schnell und reproduzierbar konfigurieren zu können setzt man auf so genannte Configuration Management Lösungen. Die bekanntesten sind...

DevOps Curriculum

Schau dir den unter Inhalte verlinkten Udemy Kurs an. Die Zugangsdaten für Udemy bekommst Du von deinem Mentor. Überspring Inhalte...

DevOps Curriculum

Wir arbeiten bei makandra alle auf Linux-Betriebssystemen und bedienen im DevOps- & Cloud-Bereich primär Kunden, die ebenfalls auf Linux...

DevOps Curriculum

makandra bietet ein bezahltes Trainee-Programm für DevOps / Cloud-Engineers: http://start.makandra.de Wir arbeiten für unsere Kunden häufig als Infrastruktur...

makandra dev
stackoverflow.com

This StackOverflow question about nested function definitions in Ruby imparts a good understanding of Ruby's def.

Sometimes we write plain SQL queries in migrations so we don't have to mock ActiveRecord classes. These two migrations...