Many of the early sewing machines were powered by a treadle mechanism. The treadle was operated by pressing down on it with a foot, or both feet, to cause a rocking movement. This movement spins a large wheel on the treadle frame, connected by a thin leather belt to a smaller driving wheels on the sewing machine.
null. adj. 1. Having no legal force; invalid: render a contract null and void.2.ull. adj. 1. Having no legal force; invalid: render a contract null and void. 2.
text/html 4/17/2008 9:45:04 PM CodesCrawler 0. The following object1 and object 2 could be a datetime object, or a DBNull. How should I compare the 2 datetime objects in case they're null or one of them is null?