Technology Questions

Copy constructor is a constructor function with the same name as the class and used to make deep copy of objects.

Oracle SQL developer is an Oracle Database IDE.

Every Analysis server has a repository to store metadata for the objects like cubes, data sources etc. It’s by default stored in a MS Access database which can be also migrated to a SQL Server database.

$result = mysql_query($sql, $db_link);
$num_rows = mysql_num_rows($result);
echo "$num_rows rows found";

Aynchronous and Event Driven - All APIs of Node.js library area unit aynchronous that's non-blocking. It basically means that a Node.js based mostly server not waits for a API to return information. Server moves to next API when calling it and a notification mechanism of Events of Node.js helps server to induce response from the previous API decision.

Very Fast - Node.js library is very fast in execution of code.

Single Threaded but highly Scalable - Node.js uses a single threaded model with event looping. Node.js uses a single threaded program and same program can services much larger number of requests than traditional server like open source.

No Buffering - Node.js applications never buffer any data. These applications simply output the data in faster.

To open a page in a new window, you have to use client script using onclick="window.open()" attribute of HTML control.

- A process is an execution of a program, while a Thread is a single execution sequence within a process.

- A process can contain multiple threads. A Thread is sometimes called a lightweight process.