When ending a Selenium test Capybara resets the browser state by closing the tab, clearing cookies, localStorage, etc.
There are some frontends available, but they all suck, are no longer maintained or are hard to install.
Instead of this: Image.order('images.created_at DESC') You can write this: Image.order(created_at: :desc) Not only do you not...
It's generally not trivial to change a datetime's seconds, minutes, etc in SQL. Here is how it works...
Today I learned that Ruby on Rails has shipped with a built-in slug generator since Rails 2.2:
Nested exceptions for Ruby: When you rescue an error and then re-raise your own, you don't have to...
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...
This is useful to kill processes like ruby my-script.rb: pkill -f my-script.rb With great power comes great responsibility.
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...
Opinionated Angular style guide for teams by @john_papa Not everything in this guide works perfectly for us, but is...
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...
Write a // and indent every subsequent line by two spaces. This is great for documenting BEM blocks! // An action button...