Kulbir Saini questions

Kulbir Saini answers

• rails 3 Validate presence based off boolean
• Vim colorschemes not working in GNU Screen even after setting .bashrc & .screenrc
• Checking for nil strings in Rails view
• Convert a string to type timestamp in rails
• Hash.except() doesn't work with symbol keys
• Hash use array as key in ruby
• Searching in where in rails with or clause for [IN]
• Capistrano deploy to staging and production
• Accepting either a hash or an array of hashes as arguments to a Ruby method
• Unable to overwrite bootstrap-sass's font with that of font-awesome