Posted over 5 years ago. Visible to the public. Linked content.

How to test whether your device has a true Retina display

The linked site hosts a simple test. It shows two images with narrow vertical/horizontal lines. The more they resemble each other, the more Retina your display is.

Does your version of Ruby on Rails still receive security updates?
Rails LTS provides security patches for unsupported versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2).

Owner of this card:

Dominik Schöler
Last edit:
over 5 years ago
by Dominik Schöler
About this deck:
We are makandra and do test-driven, agile Ruby on Rails software development.
License for source code
Posted by Dominik Schöler to makandra dev
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