WHAT IS DP? â¢ Dynamic Programming (DP) is a commonly used method of optimally solving complex problems by breaking them down into simpler problems.â¢ Dynamic programming is both a mathematical optimization method and a computer programming method.
The background-repeat property sets if/how a background image will be repeated. By default, a background-image is repeated both vertically and horizontally.
There are a couple of possible reason for this Firstly - there is a Virus that does what you describe, can't remember the name of it, but do a virus scan first Secondly - Some monitors have the facility to work in Landscape or Portrait mode, & usually you will find that a piece of software has been installed that allows this to happen - ...