Hommer Smith questions

• Difference between body.style.backgroundColor and window.getComputedStyle(body).getPropertyValue('background-color')
• Css colors (#999 for example) - Why just three digits? [duplicate]
• Return false vs raising an exception in Ruby- When and why?
• Ruby on Rails: Change checkbox label in formtastic
• Difference between object.src and object.getAttribute('src')
• Multiple parameters to Smarty modifier
• Rails: Attr accessor undefined method in the setter
• Probability of collision of SecureRandom.urlsafe_base64(8) in Ruby?
• Test with input files in rspec. How to organize?
• How to delete a folder in s3?

Hommer Smith answers