The Object of Chess. After learning how to play chess, you'll want to know how to win. The ultimate goal in chess is to trap the leader of the opposing army - the king. This is called checkmate, and results in a win for the checkmating side. Check, Checkmate and Stalemate. Ten Basic Checkmates to Know.
Learn about DNS TTL settings, and best practices for setting DNS TTL for your domain names. TTL stands for âTime to Liveâ and it refers to how long your DNS settings are supposed to be cached before they are automatically refreshed. When a DNS change is made, it takes time for the rest of the Internet to notice.
We suggested that the external flash be set to the TTL mode. The TTL (i.e. , T hrough T he L ens) mode means that the camera will measure the output of external flash and stop the flash once illumination is sufficient.This is the easiest mode of using external flashes.However, do keep in mind that the Coolpix 990 is not true TTL cameras in terms of flash control. It measures flash illumination with a flash sensor next to the on-camera lens as shown below. As a result, what this sensor sees is usually not what the lens sees.his is the easiest mode of using external flashes. However, do keep in mind that the Coolpix 990 is not true TTL cameras in terms of flash control. It measures flash illumination with a flash sensor next to the on-camera lens as shown below.