Programming Articles - Page 2739 of 3366

To create Ennead Tuple, you can use the with() method. With that, you can also add elements to it. Let us first see what we need to work with JavaTuples. To work with Ennead class in JavaTuples, you need to import the following package:import org.javatuples.Ennead;Note: Download JavaTuples Jar library to run JavaTuples program. If you are using Eclipse IDE, then Right Click Project → Properties → Java Build Path → Add External Jars and upload the downloaded JavaTuples jar file. Refer the below guide for all the steps to run JavaTuples:Steps: How to run JavaTuples program in EclipseThe following is ... Read More

We generally open the browser to search for a specific site/place on google maps. And if you need to do this task multiple times a day, it becomes very boring. Now you can automate this task where your browser will open automatically and the webpage will show you the google maps of your desired location.InstallationFor this purpose, I’m going to use the paperclip package. As this is not the standard package, we need to install it using pip.>pip install pyperclip Collecting pyperclip Downloading https://files.pythonhosted.org/packages/2d/0f/4eda562dffd085945d57c2d9a5da745cfb5228c02bc90f2c74bbac746243/pyperclip-1.7.0.tar.gz Building wheels for collected packages: pyperclip Building wheel for pyperclip (setup.py) ... done Stored in directory: ... Read More

The toArray() method of the ArrayBlockingQueue class returns an array containing all of the elements in this queue.The syntax is as follows:Object[] toArray()To work with ArrayBlockingQueue class, you need to import the following package:import java.util.concurrent.ArrayBlockingQueue;The following is an example to implement toArray() method of Java ArrayBlockingQueue class:Example Live Demoimport java.util.ArrayList; import java.util.concurrent.ArrayBlockingQueue; public class Demo {    public static void main(String[] args) throws InterruptedException {       ArrayBlockingQueue q = new ArrayBlockingQueue(10);       q.add(200);       q.add(310);       q.add(400);       q.add(450);       q.add(500);       q.add(550);       q.add(700); ... Read More

The addAll() method of the AbstractSequentialList class inserts all the elements in the specified collection into this list at the specified position. Set the specified position as the parameter.The syntax is as follows:boolean addAll(int index, Collection

The size() method of the AbstractCollection class returns the numbers of elements in the collection. The method returns Integer.MAX_VALUE if the total number of elemnts in the collection exceeds the Interger.MAX_VALUE.The syntax is as follows:public abstract int size()To work with AbstractCollection class in Java, import the following package:import java.util.AbstractCollection;The following is an example to implement AbstractCollection size() method in Java:Example Live Demoimport java.util.ArrayList; import java.util.AbstractCollection; public class Demo {    public static void main(String[] args) {       AbstractCollection absCollection = new ArrayList();       absCollection.add("Laptop");       absCollection.add("Tablet");       absCollection.add("Mobile");       absCollection.add("E-Book Reader"); ... Read More

Python pygmaps library provides a wrapper for the google maps javascript api. With this library python users can create a matplotlib like interface to generate the html and javascript and then can depicts all the additional information user’s would like to add on top of Google Maps.Required libraryWe are only going to use the pygmaps library/package. You can install the pygmaps library using pip, like:$pip install pygmaps (windows os) $sudo pip3 install pygmaps (linux os)We are going to write a program which will display -Create a map using pygmaps by providing long, lat & zoom level.Set grids on map by ... Read More

The length() method of the StringJoiner class in Java 8 is used to get the length of the current value of StringJoiner.To work with the StringJoiner in Java 8, import the following package:import java.util.StringJoiner;The syntax is as follows:public int length()First, create a StringJoiner:StringJoiner strJoin = new StringJoiner(", "); strJoin.add("US"); strJoin.add("India"); strJoin.add("Netherlands"); strJoin.add("Australia");Now, find the length of the StringJoiner i.e. the number of elements in it using the length() method:strJoin.length());The following is an example to implement StringJoiner length() method in Java:Example Live Demoimport java.util.StringJoiner; public class Demo {    public static void main(String[] args) {       // StringJoiner     ... Read More

An Octetclass is a Tuple of 8 element. It is in the JavaTuples library. The following is the declaration of the Octet class:public final class Octet extends Tuple implements IValue0, IValue1, IValue2, IValue3, IValue4, IValue5, IValue6, IValue7Let us first see what we need to work with JavaTuples. To work with Octet class in JavaTuples, you need to import the following package:import org.javatuples.Octet;Some of its features include:TypesafeSerializableComparableIterableImmutableNote: Download JavaTuples Jar library to run JavaTuples program. If you are using Eclipse IDE, then Right Click Project → Properties → Java Build Path → Add External Jars and upload the downloaded JavaTuples jar ... Read More

What is phyllotaxis pattern?When we go back, in our botany classes and the plant world, phyllotaxis means the arrangement of flowers, leaves or seeds on a plant stem, similar to the one found in Fibonacci spiral. Based on Fibonacci sequence, the Fibonacci spiral is a set of numbers that follows a pattern similar on pascal’s triangle. The Fibonacci sequence numbers are something like - 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, etc. So the Fibonacci sequence number is the sum of its previous numbers.Fibonacci spiralsWe generally look for symmetry and patterns to understand the objects ... Read More

In this we are going to write python program which is going to analyse the images taken from the webcam and try to detect the movement and store the time-interval of the webcam video in a csv file.Required LibraryWe are going to use the OpenCV & pandas library for that. If it’s not already installed, you can install it using pip, with something like:$pip install opencv2, pandasExample Code#Import required libraries import cv2 import pandas as pd import time from datetime import datetime #Initialise variables stillImage = None motionImage = [ None, None ] time = [] # Initializing ... Read More