Whether the identifier denotes an object of user-defined type or a type derived from a user-defined type. Whether the identifier denotes a function or a type derived from a function. The number of arguments to a function. The dollar sign is also a valid identifier in Visual C++.
Known to ancient Egyptians, watercolor painting is one of the oldest art forms. Artists from medieval times used watercolors for the illumination of parchment papers, but during the 16th, 17th and 18th centuries, watercolors were restricted to miniature paintings on card, ivory, parchment or porcelain.
Van Gogh made more than 800 paintings using oil paints. Starry Night is an example of an oil painting van Gogh made on a canvas. Van Gogh also painted with watercolors. One of his earliest watercolor pieces was Coalmine in the Borinage, painted in 1879.an Gogh's early paintings, such as The Potato Eaters, were very dark and serious. When he moved to Paris in 1886, he was influenced by the art of Impressionists and Neo-Impressionists who were exhibiting there, as well as by Japanese prints.