Before assigning a String data type to a variable, we need to thoroughly understand Delphi's four string types. Short String Simply put, Short String is a counted array of (ANSII) characters, with up to 255 characters in the string.
In the early part of the 19th century, coal ovens were developed. Its shape was cylindrical and was made of heavy cast-iron. The gas oven saw its first use as early as the beginning of the 19th century as well. Gas stoves became very common household ovens once gas lines were available to most houses and neighborhoods. James Sharp patented one of the first gas stoves in 1826.
'It's never had to have any sort of maintenance and the only thing that's ever gone is the lightbulb for the door,' added Mr Stephens. The world's first microwave oven was built in America in 1947 by technology firm Raytheon, which filed the first patent after employee Percy Spencer made the breakthrough.