Web applications can be used by multiple users at the same time. A typical application server like Passenger has multiple...
Clever hack using data-attributes to assign labels to cells. It's still a massive duplication of code (labels), but...
RSpec 3 has verifying doubles. This breed of mock objects check that any methods being stubbed are present on an...
If you need to log to a file you can use Ruby's Logger class: require 'logger'
If you are using Coffeescript, it is likely to be the culprit. Since Coffeescript always returns the value of...
If you want to rotate text, you can use CSS transforms in somewhat modern browsers to rotate the container element...
What if a complicated component comes along that is naturally modeled by multiple directives? This group of directives, as a...
Here's a pretty useful steps that hasn't made it into Spreewald yet. It is best used with the...
Check your GPU state on chrome://gpu. If it reads "WebGL: Hardware accelerated" in the first list, you're set...
TL;DR You shouldn't call $scope.$apply() or $scope.$digest() inside a function that can be invoked by Angular...
You can hook into Slack when using Capistrano for deployment. The slackistrano gem does most of the heavy lifting for...
Often times you want to give a bunch of elements the same style, except for the last. For example borders...
Please don't simply copy line number links from Github. The URL usually contains a branch name like master which...
If you're on Ruby 2.3+ there's a <<~ operator to automatically unindent HEREDOCs: str = <<~MESSAGE Hello Universe!
See this Railscast. Basically you can simply write views like index.xlsx.erb: ID Name Release Date Price <% @products.each do |product| %> <%= product.id...
When you want to look up a class for a given factory, do it like this: >> FactoryBot.factories.find('admin').build_class...
Webfonts are not always available when your JavaScript runs on first page load. Since fonts may affect element sizes, you...
When a CSS3 animation makes the animated element flicker, it may well be due to pixel fragments being handled differently...
Be careful when using buttons without a type attribute, since browsers will consider them the default submit button of a...
The debate between using mixins or extends in Sass has been heating up recently. From the surface it appears they...
An official Github repo by Google containing the binary font files served through Google Fonts, so you can easily download...
If you want to sort values from an enumerable into two arrays based on whether they match a certain criteria...
To achieve this goal you have to setup the session store like the following example: MyApp::Application.config.session_store( :cookie_store...
jQuery doesn't store information about event listeners and data values with the element itself. This information is instead stored...