in carboxylic acid: Hydroxy and keto acids. ...not the same. The 2-hydroxy acids form cyclic dimeric esters (formed by the esterification of two molecules of the acid) called lactides, whereas the 3- and 4-hydroxy acids undergo intramolecular esterification to give cyclic esters called lactones.
VBA's ActiveWorkbook property refers to the workbook with the focus. The active workbook may or may not contain the code that's referencing the active workbook, which is an important distinction. It's perfectly acceptable to use this property to reference the active workbook from code inside the active workbook.
From Wikipedia, the free encyclopedia. Ultrabook was created as a specification and trademarked brand by Intel for a class of high-end subnotebooks designed to feature reduced bulk without compromising battery life. They used low-power Intel Core processors, solid-state drives, and unibody chassis to help meet these criteria. Due to their limited size, Ultrabooks typically omitted common laptop features such as optical disc drives and Ethernet ports. Ultrabook is a portmanteau of words ultraportable and notebook.