Some pseudo-elements need to be addressed with vendor prefixes. E.g. ::selection is not supported by Firefox, you need to...
...set :bundle_without, %w[development test cucumber deploy].join(' ') Be aware, that gems that belong to two groups, are only excluded, when both of the groups are excluded, e.g. to...
...bar"] (matches ) For the class attribute, this is the same as .bar. Match against beginning of value (CSS3) [foo^="bar"] (matches ) Note that matching a class is not as straight...
...since the class attribute usually contains several white-space separated values. To match the beginning of a class properly, use this combined selector: [class^="bar"], [class*=" bar"]. It matches bar...
ActiveModel classes have a class method .human_attribute_name. This returns a human-readable form of the attribute: Person.human_attribute...
Important You should only implement an implicit conversion method if your object already behaves like the target type. You never create a new object in an implicit conversion method...
...either return self or not be implemented at all. Obviously, this is the reason behind this recent card about Ruby implicitly converting a hash to keyword arguments. It's not...
Developing or debugging SAML functionality can be a hassle, especially when you need to go back and forth with someone...
Short reference on how to quickly debug the vanilla Rails job adapters. Queue Adapters by Environment Environment Adapter
You can convert git commits into patch files. Those can be used to apply to a different repository [1] or...
class User < ApplicationRecord has_one :session, dependent: :destroy end class Session < ApplicationRecord belongs_to :user end create_table :users do |t| t.timestamps end create_table :sessions do |t...
On the Rails console, assigning an object to a variable can lead to this strange error (without stacktrace): irb > recipient...
Performing COUNT(*) on large tables is slow. Sometimes you don’t need the exact number once results exceed a certain...
If you're using a Redis cache in Rails (e.g. :redis_cache_store), it's possible to configure additional parameters...
First find the reference for the entry you want through looking at the stash: $ git stash list stash@{0}: WIP...
This seems to be obvious, but you can expect Rake tasks to be called in RSpec. it 'deletes all Users...
When handling nested hashes the RSpec output is often hard to read. Here the gem super_diff could help.
...like using the /slackfont command. Fonts need to be installed on your machine. Webfonts beyond those provided by Slack won't magically work unless you install them locally.
...been tested manually by me adheres to the code style of the project (e.g. BEM) avoids "magic numbers" (don't say e.g. padding: 20px) does not duplicate existing styles (for...
Add screenshots of any new or changed elements. Gitlab has a "Details block" behind the "+" button in its WYSIWYG editor that helps saving space...
jQuery has a function $.fn.trigger(). You can use it to dispatch an event on a jQuery object: let $element = $('.foo...
ActiveType::Object inherits from ActiveRecod::Base and is designed to behave like an ActiveRecord Object, just without the database persistence. Don't remove any of the default behavior of...
...the window's resize event, that might call your event listener many times. A better way is to subscribe to changes of the MediaQueryList object that is returned by matchMedia...
Internet Explorer until version 9 has some limitations when parsing CSS files Summarized, these are: Up to 31 CSS files...
While both the alt attribute and the figcaption element provide a way to describe images, the way we write for...
...minimal changes. But that's not always the case, and there is a much better way. Use pnpm up (aliased to update and upgrade) with a set of exact library...
All Rubyists should be familiar with the common definitions for include and extend. You include a module to add instance...