Bill Lipa questions

Bill Lipa answers

• Phantomjs - No such file or directory (what have I missed)
• Ruby on Rails: How to set a database timeout in application configuration?
• What are the meanings of the hash keys when calling ObjectSpace.count_objects?
• Restrict a number to upper/lower bounds?
• How to calculate next, previous business day in Rails?
• how to set postgresql command timeout in rails
• Is it possible to negate a scope in Rails 3?
• rails paperclip and passenger `is not recognized by the 'identify' command`
• when we import csv data, how eliminate "invalid byte sequence in UTF-8"