Guidelines

What does a reed switch sense? Reed switches are used as proximity sensors to control robotic motion, conveyor speed, location and angle. They can sense…

Why Fourier series is used in communication engineering? In communications theory the signal is usually a voltage, and Fourier theory is essential to understanding how…

How can I get only date from datetime column in SQL? MS SQL Server – How to get Date only from the datetime value? SELECT…

How do you use aspect ratio on images? You can use a formula to define a new size for an image while keeping its original…

What is the best online plagiarism detector? Free plagiarism checker comparison Plagiarism checker Plagiarism detected Restrictions 1. Quetext 29% 3 x 500 words 2. EasyBib…

What can I do with Facebook access token? An access token is an opaque string that identifies a user, app, or Page and can be…

What is the output of who command in Unix? The standard Unix command who displays a list of users who are currently logged into the…

What is the advantage of a router based firewall? Firewalls provide protection against outside cyber attackers by shielding your computer or network from malicious or…

How do I scroll up in console? Ctrl + Shift + Up or Ctrl + Shift + Down to go up/down by line. What is…

Can you use an aggregate function with a join statement? Regular readers of the our blog will also remember our recent tutorial about JOINs. That’s…