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Remove an element from an array in JavaScript

Javascript useful codes In time of web development web developers are facing several issues in string , array time loop etc, I am writing some of frequently arrived issues regarding array time loop etc with the approximate solutions. How to remove a element from an array in JavaScript First, we have to find the index Continue Reading


How to get the selected option text of select box in jQuery

<html> <head> <title>How to get the selected option text of select box in jQuery</title> <script src=””></script> </head> <body> <div>How to get the selected option text of select box in jQuery</div> <select id=”gettext”> <option value=”1″>One</option> <option value=”2″>Two</option> <option value=”3″>Three</option> </select> <div> You have selected : <span id=”selectedtext” style=”color:red”></span> </div> <script> $(document).ready(function(){ $(‘#gettext’).click(function(){ $(‘#selectedtext’).text($(‘#gettext option:selected’).text()); }) }); Continue Reading


Object-Oriented programming in javascript

Object-Oriented programming Object-Oriented programming is a programming paradigm  based on concept of a objects, that uses abstraction to create model based on real world. It is a model organized around objects rather than “actions” and data rather than logic. OOP provides a clear modular structure for programs.OOP makes it easy to maintain and modify existing Continue Reading


Useful linux command

linux command ls linux Command ls command display list of files. #ls Whoami linux Command whoami command print the name of current user. # whoami Who Command who command simply return user name, date, time and host information. who and w command are similer. Unlike w command who doesn’t print what users are doing. # Continue Reading


What is a Cron Job?

Cron is a standard Linux command that allows you to schedule tasks to be executed sometime in the future or in some interval. This is normally used to schedule a job that is executed in some interval -for example, to send out a mail every morning. There are various ways to schedule the corn to Continue Reading


Useful MySql statement and commands

how to create a database in mysql  create database [database name]; how to List all databases on the server. show databases; How to switch to a perticular database. use [db name]; To see all the tables in the database. show tables; How to see field formats of a table. describe [table name]; How to delete Continue Reading


Google map with location autocomplete and marker dragger.

Google map with location autocomplete and marker dragger. We can move marker pointer to the location what we select from location autocomplete drop down. Once we choose the location from location autocomplete drop down the marker will move to that location. We can also drag the pointer to get the address. <!DOCTYPE html> <html> <head> Continue Reading


What is wordpress

What is wordpress WordPress is an online free and open-source content management system (CMS) tool written on PHP and MySQL.It is a popular tool for creating websites.WordPress started in 2003 with a single bit of code to enhance the typography of everyday writing. Now it is the largest self-hosted blogging tool in the world used Continue Reading


What is JSON?

JavaScript Object Notation (JSON): JSON is a text-based open standard designed for data exchange. JSON is used for storing and exchanging data.It is mainly used to send and get data to and from a server and web application.It is derived from the JavaScript programming language as an alternative to XML for representing data structures and Continue Reading


How to make cordova signed app for andriod

1) cordova build –release android 2) keytool -genkey -v -keystore MY-mobileapps.keystore -alias MYmobileapps -keyalg RSA -keysize 2048 -validity 10000 Enter keystore password: Re-enter new password: What is your first and last name? [Unknown]: abc What is the name of your organizational unit? [Unknown]: abc What is the name of your organization? [Unknown]: abc What is Continue Reading

About the author

Joydeb Choudhury holds a Master's degree in Computer Application from I.G.N.O.U. After working as a web developer in various companies he has started bloging in 2016.

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