What is an Animal? Definition and Examples of Animals?

They are Multi-cellular living organisms that are developed around 500 million years ago from single-cell marine organisms. The body shape of the animal is fixed once it reaches maturity but some species under metamorphosis. Animals are able to move, and they ingest other organisms for their survival. There are over one million of identified species that include insects, reptiles, birds, fish, and mammals.

What is Heat Versus Temperature? Definition, Differences, and Examples

What is the difference between heat and temperature?

First, let’s understand the difference between heat and temperature. The Temperature and Heat are interchangeable; they are related to each other but have different concepts. The matter is composed of molecules or particles that are in motion. Whether it is moving, rotating, vibrating, or in active motion.

Let us discuss the difference between the temperature versus heat

Now to understand what is heat vs. what is temperature, let’s learn more about its definition with examples.

How to check if a field exists in Drupal entity

If you are creating a new Drupal 8 theme, and you need to find out if a field exists or not in the node entity then you can use the following “hasField()” Drupal 8 function. It is a good idea to validate the existence before using it to avoid any unexpected error. Please note this method is only available in Drupal 8 and might not work for Drupal 7 theming.

 

Code:

$entity->hasField('fieldName');

 

How to clear Varnish cache for a single URL?

Varnish cache can be clear for a single URL simply by using “ban” command. See the examples below:

To clear or purge the cache use the following command.

varnishadm –T [Varnish Port IP address] ban.url [URL Path]

So for example if your environment Varnish is running on 192.168.1.100 and on Port 2222 then the command would be:

varnishadm –T 192.168.1.100:2222 ban.url /home/page.html

How to detect IE (Internet Explorer) 10 & 11 using PHP

If you need to detect Internet Explorer, specifically browser version 10 or 11 using PHP, then you can use the following PHP code to detect the Internet Explorer version. This script works with all IE  versions, i.e., 8, 9, 10 and 11.

What is AnswerLookup?

AnswerLookup.com is a website to help you find quick answers to a wide verity of question that starts with What, When, Who, Why, Where and How questions. It also lists reference links to the answer for the users for their further reading. Answer Lookup gather information from the most relevant online site(s) and provides you a quick brief answer. For in-depth details and study that there are websites like WikiPedia. Answer Lookup site is merely a help tool to filter down the search results of the questions - easily and quickly.