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...
You can use the code below to check whether the browser can make connections to the current site: await isOnline...
I recently wanted to add a model for address information but also wanted to add a unique index to those...
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...
When redirecting you should take care to use the right HTTP status code. From controllers When redirecting from a controller...
If you have a JS fiddle, you can open it in fullscreen by appending /show to the URL. Example: https://...
Recent IRB versions include a multi-line autocomplete which may be helpful to novice users but can be distracting.
If you get an error message like this: You have already activated some-gem 1.2.3, but your Gemfile requires some...
While verifying doubles in RSpec is a good default, it is limited in the amount of methods it actually is...
I recently had the problem that embedded code boxes crashed my layout. It turned out that pres break out of...
tl;dr With ES2021 you now can use str.replaceAll(), Promise.any(), logical assignment operators, numeric separators and WeakRef on all major...
Der Begriff systemd wird immer umfassender da es sich nicht mehr (wie ursprünglich) nur um ein init Systemd handelt, sondern...
Linux Kernel Parameter werden üblicherweise schon zur Compile und Startzeit mit brauchbaren Default-Werten geliefert. Allerdings muss man, je nach...
You'll need openssl-3 or newer for servers running 22.04 Ruby version 3.1 uses by default the gem openssl...
Du kannst folgende Fragen beantworten: Was ist SSH, wie funktioniert es, auf welchem IP-Protokoll baut es auf, auf...
Unter Linux gibt es mehrere Dateisysteme. Es ist gut einen Überblick zu haben welche existieren und wie man die Dateisysteme...
When you are working with SVG files and ImageMagick you can get different results on different machines depending on which...
There is a way to use multiple databases in Rails. You may have asked yourself how you're able to...
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...
When you need information about a gem (like version(s) or install path(s)), you can use the gem binary...
ruby-warning adds custom processing for warnings, including the ability to ignore specific warning messages, ignore warnings in specific files/directories...