Ray Baxter questions

Ray Baxter answers

• test_helper don't load when I make a test
• Jump to the midde with Kaminari pagination
• How could I remove the last character from a string if it is a punctuation, in ruby?
• Rails has_one :through. Building associated object
• Ruby on Rails 3: How to create a 12 hour (with AM/PM) time select element?
• stylesheet_link_tag(:all) generates reference to `all.css` on Heroku
• Check total file size of a specific directory for a specific user
• Ruby split String into two sections and put in hash with predefined keys
• How can I clear the rails console history
• Retrieving only certain columns with Rails 3 where clause