Functional Programming

Introduction Functional programming is a declarative programming paradigm in that programming is done with expressions or declarations instead of statements. In functional programming code, the output value of a function depends only on its arguments, so calling a function multiple times with the same value for an argument always produces the same result. One of the easiest way for the development of functional programming is making a program by eliminating changes in state that do not depend on function inputs which are called side effects.

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How to configure Cloudflare for DNS and Email hosted on VPS server

Introduction This tutorial will explain you how to configure Cloudflare for DNS, Email – MX, Webuzo control panel hosted on VPS server. If you are using shared hosting then it is very easy to setup Cloudflare because you can configure Cloudflare through cpanel. Then Cloudflare pulls the required information from your cpanel. But when you want to configure VPS hosting with Cloudflare then you need to mainly setup DNS manually. Here I assume that you are running website on VPS server and you want to get advantages of using Cloudflare.…

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Capture scrolling web page using Chrome

Introduction This tutorial will show you how to capture or copy scrolling web page using Chrome browser’s built-in features. Generally you use PrtSc button on keyboard or Snipping Tool that comes with Windows operating system for capturing screenshot of the web page or screen. But these tools have limitation and you cannot capture or copy beyond the size of visible screen size. So you have to take multiple screenshots by breaking into several parts. Therefore you need to use Google’s Chrome browser to capture the entire web page that goes…

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Haar Wavelet Transform using Java

In this tutorial I will show you a step by step guide on how haar wavelet transform happens. We will show this implementation with sample data on which we will perform haar wavelet transform. Haar Wavelet Transform is based on Lifting Scheme. Haar wavelet transformation basically used in image processing. Using haar wavelet transform you can reduce the size of the image without compromising the quality of the image. So your image quality is not going to be decreased.

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Get Image from Pixels using Java

In this tutorial I will show you how you can read an image using Java. There are several kinds of image formats such as JPEG, GIF, PNG, BMP, TIFF etc. Java has built-in Image I/O API in javax.imageio package and it can be used to load external image formats into its BufferedImage formats. By default, Image I/O supports image formats such as JPEG, PNG, GIF, BMP, WBMP. It can also be extensible to support additional image formats for TIFF and JPEG 2000. Image I/O recognizes the contents of the file…

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Get Pixels from Image using Java

Here I am going to show you how you can extract pixels from an image using Java. So I am going to read the image to extract pixels from the image. There are several kinds of image formats such as JPEG, GIF, PNG, BMP, TIFF etc. Java has built-in Image I/O API in javax.imageio package and it can be used to load external image formats into its BufferedImage formats. By default, Image I/O supports image formats such as JPEG, PNG, GIF, BMP, WBMP. It can also be extensible to support…

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Read/Write Image using Java

In this tutorial I will show you how you can read and write an image using Java. There are several kinds of image formats such as JPEG, GIF, PNG, BMP, TIFF etc. Java has built-in Image I/O API in javax.imageio package and it can be used to load external image formats into its BufferedImage formats. By default, Image I/O supports image formats such as JPEG, PNG, GIF, BMP, WBMP. It can also be extensible to support additional image formats for TIFF and JPEG 2000. Image I/O recognises the contents of…

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