Install postgresql 9.4 and configure it for Ruby on Rails

PostgreSQL is available in the default repositories. So enter the following command from the Terminal to install it.

sudo apt-get install postgresql postgresql-contrib

If you’re looking for other versions, add the PostgreSQL repository, and install it as shown below.

Convert html to pdf using wiked pdf gem(Ruby on Rails)

Today I will write how to convert html to pdf. For this we will use wiked_pdf gem. It’s a nice gem to convert.
1. put this on your gem file

gem ‘wicked_pdf’, github: ‘mileszs/wicked_pdf’
gem ‘wkhtmltopdf-binary’