Author: <span class="vcard">Yogesh Singh</span>

In this tutorial, we’re going to learn how you can integrate Google reCAPTCHA to your website using PHP.

Recaptcha generally used to protect the website from spammers. It is best and easy way to show CAPTCHA within your website.

How does it work?

When the user clicks on I’m not a Robot Checkbox  then it shows different types of images on the screen. Now user needs to select images based on asked question in reCAPTCHA. For example, it may ask the user to select all images which have Street number, select all house images, etc.

Jquery PHP

How To

AngularJS is a JavaScript MVC framework  developed by Google that lets you build well structured, easily testable,  declarative and maintainable front-end applications which provides solutions to  standard infrastructure concerns. The…


Sometimes you may think that “how do I import some code I wrote in one file into another”?. You don’t want to write the same block of codes or redefine…


Node.js is a very powerful JavaScript-based framework/platform built on Google Chrome’s JavaScript V8 Engine which makes it possible to run Javascript on the server side. It is used to develop…


A function is a block of code which performs some specific task and returns back to the caller. It has a unique name.

They are helpful when need to perform the same task with different-different values or require to use the same block of code in other places within the program.

If any changes require in the future then only need to update the function code and it will automatically make change where the function it been called.

The main aim of a function is –

  1. To make the program more readable, and organized and,
  2. Reduce repeated code.

How to create function in Python


Loop control statements are used to handling the flow of the loop e.g. terminate the loop or skip some block when the particular condition occurs.

There are following types of loop control statements in Python –

  1. break
  2. continue
  3. pass

Loop control statements in Python


Looping statement is available in the programming language that allows us to repeat a block of code number of times. This reduces coding work and frustration of writing same code multiple times.

They are following types of loops available in Python –

  1. While
  2. for

You can also specify else block with looping statement.

Looping statement in Python


Loop means executing one or more statements up to the desired number of times. Often when you write code, you want the same block of code run over and over…


Logical operators are used to comparing multiple relational expression. In nesting where one if statement within another if statement because of that in the program, there are multiple statements will…