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.
In 1834, Joseph Morgan introduced an automated piece of equipment that created pillar candles. The machine âejectedâ the candles as they solidified. In the 1850âs, paraffin wax was invented. A by-product from petroleum, paraffin wax, combined with mass production, finally made candles affordable and cleaner burning.