The Inca Empire or Inka Empire was the largest empire in South America. It was the last sovereign political entity that emerged from the Andean civilizations before conquest by Spaniards.
Facebook caches already shared pages for better performance, but this causes issues because Facebook can still show the older version of the page. Today we will learn how to refresh cache.
Abraham Lincoln was American president during American Civil War. He also fought against slavery and is one of the most important presidents in the American history.
We will learn two different ways how to download a page in PHP from a web URL, learn how to use cURL and how to set a few additional options and finally show contents on your page.
You can set notifications to find out when your collaborators have modified your spreadsheets, and learn what sheets or cells they've modified. You can also choose how often you'd like to be notified.
