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Hadoop Installation for Windows

In this blog you will understand how to download and install Hadoop for windows Steps to Install Hadoop Install Java JDK 1.8 Download Hadoop and extract and place under C drive Set Path in Environment Variables Config files under Hadoop directory Create folder datanode and namenode under data directory Edit HDFS and YARN files Set Java Home environment in Hadoop environment Setup Complete. Test by executing start-all.cmd There are two ways to install Hadoop, i.e. Single node Multi node Single node cluster means only one DataNode running and setting up all the NameNode, DataNode, ResourceManager and NodeManager on a single machine. This is used for studying and testing purposes. So for testing whether the Oozie jobs have scheduled all the processes like collecting, aggregating, storing and processing the data in a proper sequence, we use single node cluster. It can easily and efficiently test the sequential workflow in a smaller environment

Face Mask Detection Using OpenCV in Python

In this blog we are going to learn how to implement face mask detection problem. Today it has become mandatory for all the citizens to wear a face mask to protect themselves from COVID-19. This application can be helpful for all the shop owners, offices, banks or any public place because if anyone is not wearing a mask then he or she must not be allowed in that area. So, to take care of this problem we don’t need any guard or person who keeps a watch on people. We can integrate a camera which continuously clicks pictures of humans and detect from there faces whether they are wearing a face mask or not. Introduction to Image Processing Before implementing face mask detection problem, first we need to understand that how to handle images. Images are simply a collection of colors in red, green and blue format. As a human

Flutter & Android Studio

Hello readers, today we are going to learn how to install flutter and how to create first project in flutter. As you all know Now these days’ flutter growing its popularity day by day. Flutter is Google’s cross platform UI development tool kit for mobile, web and for desktop. It uses single code base for every platform. Let’s get started Hardware Requirements Minimum requirements to run a flutter application are: For Window Windows 7 SP1 or later (64bit), x86-64 based, recommended windows 10. Disk Space 20 GB (including IDE/tools) For MacOS MacOS 64 bit Disk space 20 GB including IDE/tools. Flutter uses below mentioned command-line tools  Bash Curl Git 2.x Mkdir Rm Unzip Which Requirements to create Flutter project Java 11 JDK installed and set in system environment variables. Flutter SDK (download from official website http://flutter.dev) Android SDK (Install Android Studio recommended) Flutter and Dart extension installed. Connected Device with

Dart Installation

Hello readers, today we are going to install dart language. Before installing dart language, let’s discuss something above dart language. Dart is a general purpose programming language developed by Google in 2011. It is used to build application for mobile, desktop, server and web application. Dart can compile either native code or Java Script. Dart suppose mixins, interfaces, abstract classes, generics etc. Dart SDK has three types of Channels Stable Channel: this sdk is ready for production. Beta Channel: is for preview of new features, if everything is fine then update in stable release. It is advised to use only for testing purpose. Dev Channel: dev channel has all new feature developed by developers. It has a high risk of bugs and highly unstable. Install Dart To install dart SDK, we need to go its official website: https://dart.dev/get-dart Follow these Steps: You can use package manager (chocolatey). Alternatively, you can

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