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Functional interface in Java

Published on June 2, 2021 in Java

Quick example

Change root of apache in LAMP (Ubuntu and Debian Linux)

Published on May 18, 2018 in Apache, Linux, Ubuntu

This tutorial is for changing root directory of apache server on Debian system like Ubuntu. When you install apache (or LAMP) by default the root directory of apache is /var/www/html. When doing development on local machine you might want to change this to some directory in your home directory. Advantage of doing this is you […]

Design Patterns in PHP: Factory, Strategy and Singleton

Published on September 29, 2017 in Php

What are design patterns Design patterns are coding strategy followed by developers. It’s just like an architectural plan followed in building houses. As per theory it can defined as “A general solution to commonly occurring problems in software design”. Instead of talking about what Design patterns are let’s have a look at some real world […]

Creating bar charts using D3

Published on October 18, 2018 in D3, Html

In this article you’ll learn the basics of creating charts using svg and D3. Above is what we’ll be creating by the end of this tutorial. Creating charts with just svg svg with single rect and minimal styling Before proceeding further it’s noteworthy to have a quick overview of how to create charts using svg […]