Author: Ritesh Ghimire

Transparent Circular Crop using PHP GD

The GD library is a graphics drawing library that provides tools for manipulating image data. We can perform various operations and manipulations with image using this powerful library.

In this article, I will show how to crop an image to transparent circular image using PHP GD Library.

Easy Face Detection Using JQuery

Face detection is a computer technology being used in a variety of applications that identifies human faces in digital images.

There are a number of approaches and techniques to achieve face detection. In this post, we will be dealing with one of the easiest and simplest way of detecting face in an image, video or canvas using facedetect plugin.

Generate random integer between two numbers using JavaScript

Random number generation is the generation of a sequence of numbers or symbols that cannot be reasonably predicted better than by a random chance, usually through a random-number generator (RNG). Computer random number generators are important in mathematics, cryptography and gambling (on game servers).

In this article, we will be generating a random integer between given two numbers using JavaScript. We will be generating a random number in a given range using JavaScript Math Object.

Page Caching to Improve Website Performance

A web cache is an approach for the temporary storage (caching) of web documents, such as HTML pages and images, to reduce bandwidth usage and server load. The content of a webpage can be stored in a file temporarily so that every time server receives a request, it doesn’t need to process time and again. This is termed as Page Caching.

In this article, we will be going through a simple approach for achieving Page Caching.

Image Steganography: Hiding text in images using PHP

Steganography is the art and science of writing hidden message in such a way that no one, apart from the sender and intended recipient, suspects the existence of the message.

In this article, we are implementing Image Steganography using PHP by masking Least Significant Bit (LSB) of RGB value of image pixels.