The main feature of a dynamic page is content fetching without refreshing the page. This is made easy by AJAX technology. An HTTP request is generated and sent to the server. After processing this request an answer is sent back to the browser. All of these happen without refreshing or leaving the page....

Website with huge database is often slower when pulling data from another feed. It’s a total harass when hitting your database again and again after knowing it’s not changing so frequently. This snippet can query after the database updates. And it fetches data from cached content when database is...