Easy way to set a background from a selected number of images in Rails. You can set a background image purely through CSS thanks to the 'background-size' property in CSS3. Using the `html` element is better than `body` as it's always at least the height of the browser window. You set a fixed and centered background on it, then adjust it's size using `background-size` set to the cover keyword.
Linked List is a linear collection of data elements, whose order is not given by their physical placement in memory. Instead, each element points to the next. It is a data structure consisting of a collection of nodes which together represent a sequence.
There are multiple ways to retrive a random row from a table. The fastest way requires no custom SQL.Let's see how to retrieve a random row from a table using ActiveRecord.
Its easy and quite common to forget a database's password. However, this doesn't mean the end of the world. Let's see how we can recover MySQL database server password following five easy steps.