If rspec hangs with no output and you dont get a backtrace neither with --backtrace nor by just killing it...
With ActiveType 1.2 you can modify associations (has_many etc.) after they have been defined. One common use case for...
In Ruby on Rails, all objects have a useful blank? method. It returns true for nil but also for empty...
Katapult was an endeavor to dramatically speed up starting a new Rails application. However, it turned out to save less...
Not all versions of Node.js are compatible with each other. Also npm packages may require a minimum or maximum version...
When you update your ChromeDriver to version 75 or beyond, you might get w3c errors in your tests.
When deploying with capistrano it's possible you get this "error" message: *** [err :: example.com] There are no Phusion Passenger-served...
If you get requests with values for formats like this: {:locale=>[:de], :formats=>["../../../../../../../../../../etc/services{{"], :variants=>[], :handlers=>[:erb, :builder, :raw, :ruby...
Set up a package root in your homedir to hold the Node "global" packages: $ NPM_PACKAGES="$HOME/.npm-packages"
Webpacker can automatically create an icon font from SVG files, which is really handy. When you're using the asset...
jQuery has a function $.fn.trigger(). You can use it to dispatch an event on a jQuery object: let $element = $('.foo...
It is quite easy to migrate from CoffeeScript to ES6. You can use decaffeinate to convert your CoffeeScript source to...
To keep JavaScript sources small, it can sometimes make sense to split your webpack bundles. For example, if your website...
We're always striving towards keeping our website's JavaScript as small as possible. If you're using webpack(er...
If you struggle with a /boot partition that is too small for updates, and you are too intimidated by the...
TL;DR Most web applications do not require action on this. SameSite=None (old browser default) will continue to work...
Along with a number of other cool new features and performance improvements, Ruby 2.6 added function composition to the Proc...
Some older Node modules rely on window.jQuery to be present. One suggested solution is to use this config in the...
To avoid multiple versions of a package, you can manually maintain a resolutions section in your package.json. We recommend you...
In Rails, we usually have a mailer setup like this: class MyMailer < ActionMailer::Base def newsletter mail to: 'receiver@host.tld',
Many mail clients do not support external style sheets. Some even require all styling inline, which means you'll have...
While deploying an Ruby update to an old application these days, we encountered the following misleading error: *** [err :: some-host.makandra.de] You...
Rails' ActiveSupport::TimeWithZone objects have both a timezone code and offset, e.g. Thu, 28 Mar 2019 16:00:00 CET...
min-width is known as a CSS property that can be set to define a least width for an element...