snow_leopard questions

• Amazon S3 LastModified time vs Upload complete time
• Ruby Rails Active Record Query on two columns
• Need of synchronization in getters and setters
• Writing "not in" sql query using AREL
• Curl::Err::PartialFileError: Transferred a partial file error
• Conversion of String Object to String Primitive in Javascript
• Release of mysql lock outside transaction (rails)
• Java: Duplicate objects getting added to set?
• Ruby Array concat versus + speed?

snow_leopard answers