Tom Chapin questions

Tom Chapin answers

• FactoryGirl: ActiveRecord::AssociationTypeMismatch: User expected, got #<Class:0x007>
• How to get the width of terminal window in Ruby
• How to convert list to row dataframe with Pandas
• In rubyonrails, how to get the associated model class from and ActiveRecord::Relation object?
• Pandas dataframe: allclose [duplicate]
• Kinesis Firehose putting JSON objects in S3 without seperator comma
• nosetests framework: how to pass environment variables to my tests?
• RubyMine: exclude specific files from search
• Reading the data written to s3 by Amazon Kinesis Firehose stream
• Comparing two pandas dataframes for differences