Front End Exploring JavaScript Undefined By Nikhilesh When we are working with JavaScript operators, we need to pay utmost attention on how we use them. For example let's create a simple function which takes two arguments a, b. function foo(a, b) { a = a || "value";...
Front End JavaScript Event Simulators in Selenium By Nikhilesh Each browser has their own WebDrivers. Chrome has Chrome WebDriver, Mozilla has Gecko and Internet Explorer has IE WebDriver. So why are these webdrivers used for? The answer is, if you want to automate a web application, there has to...
Business Intelligence Create A Custom Table Report using Helical Insight By Sohail Create A Custom Table Report using Helical Insight (Dynamically Picking the Columns Names and Data) If you have already had a Hands-On experience on the Helical Insight Tool [HI tool] then this blog would be helpful For a creating a...
Databases Groovy JsonSlurper By Somen Sarkar JSON Slurper in Groovy What is JSON slurper? JSON slurper is a class in groovy that can be used to parse text or read content into a data structure of lists and maps. In other words we can say that...
ETL ThreadLocal in Java By Somen Sarkar ThreadLocal What is ThreadLocal? There are different scope of a variable in java. 1. Local Scope : This scope includes the variable declared inside the methods. 2. Instance Scope: This scope is also known as instance variable. This is created...
Front End Dynamic Table CRUD using JTable By Somen Sarkar Dynamic Table CRUD using JTable This plugin can be used to create datatable an forms. Simple CRUD based applications can be created using the JTable. How to use JTable? 1. Create a div with id "targetContainer" where we want to...
Front End Event Delegation By Nikhilesh First let's create HTML of an unordered list (ul). HTML <ul id="todo-app"> <li class="item">Item 1</li> <li class="item">Item 2</li> <li class="item">Item 3</li> <li class="item">Item 4</li> </ul> Event Delegation technique: Suppose if you have attached the event listener click on li...
Data Visualization Happy New Year With SVG By Somen Sarkar What is SVG 1. SVG stands for Scalable Vector Graphics, SVG can be used to create drawing, graphics, images etc, all by using XML elements. How to draw circle in SVG In order to draw a circle using svg...
Front End Functions in JavaScript By Nikhilesh Consider the given code below: 1: function doSomething(a) { 2: function doSomethingElse(a) { 3: return a - 1; 4: } 5: var b; 6: b = a + doSomethingElse( a * 2 ); 7: console.log( b * 3 ); 8:...
Databases Communication Between JSP and SQL By Nikhilesh For the communication between JSP and SQL to take place java plays an important role. You can write the java code in JSP itself. It makes the code more less complicated. You don't need to pass parameters from one file...
Javascript To Add Callback in Javascript By admin To Add CallBack in JavaScript Why we need callback when using URL to fetch data? --When we pull data using url. It takes some time to load the Url .Hence the code where the data is required executes before the...
Javascript Lucene Search Text Search Engine By Somen Sarkar Introduction to Lucene API Lucene is a text search engine java API library. It majorly helps in indexing and searching. It searches by calculating a score for each document and gives the result based on the score that is more...