A selection of problem solving resources that can be helpful for developers.
To automatically open pages saved when using save_and_open_page
we need to add the launchy gem to the test environment.
# Gemfile
group :test do
gem 'launchy', '~> 2.4', '>= 2.4.3'
end
# Inside controller action.
send_data data, filename
Make the container of an image keep the size and aspect ratio of the image.
.intrinsic-ratio-container {
position: relative;
padding-bottom: 56.285714%; /* This defines the aspect ratio. */
height: 0;
color: #ddd; /* Same color as background-color to hide the image description text. */
git reset HEAD^ path/to/file/to/revert
git commit --amend
Source: https://superuser.com/a/229296