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at. has asked 319 questions and find answers to 27 problems.

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Can't install bcrypt-ruby for new Rails installation
Any Rails scaffold data types that generate radio buttons in the _form.html.erb?
Regular expression pattern to match string without any 2 consecutive repeated characters
Javascript function argument handling
Combining an ActiveRecord Date and Time into a DateTime
How to direct user to a specific page after logging in with Devise and Rails
Pandas groupby where one of the group values is in a range
How to modify JSON returned from Rails controller
Error updating pg gem from 0.17.0 to 0.17.1 for Mac OS X 10.9.1
Possible to get an HTML span element to word-wrap when inside a pre element?

at. answers

Can't install bcrypt-ruby for new Rails installation
HTML Footer that sticks to the bottom of browser unless scrollbars needed
How to embed a YouTube video in Markdown with Redcarpet for Rails?
Is a database required for a "quiz" type of game?
Rails 4.0rc1 app not running due to missing sqlite3 gem
Best way to partition a sorted array into arrays of contiguous numbers?
How to get all the params of a POST request with Compojure
Can you select the html element or root node with nth-child?
Custom user fields in Devise 3 under Rails 4
how to get numeric value from string?