asitmoharna questions

asitmoharna answers

• How to average product review scores using activerecord and POSTGRES
• Can't mass-assign protected attributes: tags_attributes?
• How to set default port for Webrick?
• Trouble on uninstalling RVM
• Removing duplicate element in an array [duplicate]
• How to sort a merged array and hash chronologically?
• Paperclip. How not to save empty file?