OpenCV Python Tutorial For Beginners – How to Bind Trackbar To OpenCV Windows
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How to Install VirtualBox Guest Additions on Debian 9 Virtual Machine (VM)
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Scala – Reduce, fold or scan (Left/Right)
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// Scala - Reduce, fold or scan (Left/Right) //reduceLeft, reduceRight, foldLeft, foldRight, scanLeft, scanRight object Demo { val lst = List(1, 2, 3, 5, 7, 10, 13); val lst2 = List("A", "B", "C"); def main(args: Array[String]) { println(lst.reduceLeft(_ + _)); println(lst2.reduceLeft(_ + _)); println(lst.reduceLeft((x,y) => {println(x + " , "+ y); x+y;})); println(lst.reduceLeft(_ - _)); println(lst.reduceRight(_ - _)); println(lst.reduceRight((x,y) => {println(x + " , "+ y); x-y;})); println(lst.foldLeft(100)(_ + _)); println(lst2.foldLeft("z")(_ + _)); println(lst.scanLeft(100)(_ + _)); println(lst2.scanLeft("z")(_ + _)); } } |
How to install Maven on Mac OS
In this Post we will see How to install Maven on Mac OS. Maven is build tool primary for Java projects. Prerequisites: […]
How to install Jenkins on Ubuntu 18.04 (Debian Linux)
Jenkins is open source continuous integration server written in Java. Jenkins (https://jenkins.io/) is Easy to install, Easy to use, Multi-technology […]
How To Install Git on Ubuntu 18.04 LTS (Linux)
Git is a SCM (Source Control Management System). Git is used in the Management of changes to documents, programs, and […]
How to Install Latest Nodejs with Npm on Ubuntu 18.04 (Linux)
Node.Js is Server Side JavaScript runtime environment which Runs on Google’s V8 JavaScript Engine. Node.js is open-source and cross-platform which is licenced under MIT. Node’s is […]
How to install maven on Ubuntu 18.04 LTS (Linux)
In this tutorial we will see how to install Apache Maven on Ubuntu 18.04 linux. Step 1. Please Make sure that JAVA_HOME environment variable […]
How to Install MongoDB on Ubuntu 18.04 LTS (Linux)
Import the public key used by the package management system
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$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6 |
Create a list file for MongoDB
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$ echo "deb http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.4.list |
Reload local […]
How to Install Nginx on Ubuntu 18.04 LTS (Linux)
Prerequisites Ubuntu 18.04, 17.10, 16.04 root privileges few knowledge using vim Step 1 Install some Debian package development tools and […]
How to Install PostgreSQL 9.6 on Ubuntu 18.04 LTS (Linux)
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How To Install MySQL on Ubuntu 18.04 LTS (Linux)
In this post we will learn how to How To Install MySQL on Ubuntu 18.04 LTS. The same procedure can be […]
How To Install cURL on Ubuntu 18.04 LTS (Linux)
In this post we will see How To Install curl on Ubuntu 18.04 using command line terminal. If you want […]
How to Install FFmpeg On Ubuntu 18.04 LTS
FFmpeg is a Complete cross-platform solution to record, convert, and stream media. In this post we will see how to […]