Webner Blogs – eLearning, Salesforce, Web Development & More

Suppose we have a Wrapper class with fName as a string instance variable and we want to sort a list of objects alphabetically based on value of this variable. Implement Comparable interface global class MyWrapperclass implements Comparable { public String

Latest 6 SEO strategies for your Website The search engine is important for website’s ranking, domain authority and page rank. Google algorithm changes on frequent basis therefore the webmaster needs to change strategies for website. Restraining yourself with basic SEO

How to create and use FieldSet of a particular Object (Standard or Custom) in Salesforce FieldSets are commonly used where we want to display fields of a particular object in the Visualforce page dynamically. 1. Steps to create FieldSet of

Here we will go through different Magic Methods in PHP The PHP functions which starts with the double underscore “__” are called magic methods. These are the methods which are always defined in classes, and can not be used alone

Classes used to style responsive bootstrap table (Bootstrap-4) Nowadays tables are used in creating calendars or score charts. Due to widespread usability, it’s necessary that we create the opt-in responsive tables so that it is accessible on any device. You

How to Create and Access a Web Server in Node js To access web pages of any web application we need a web server. The web server handles all http requests for the web application. Node.js framework is mostly used

How to fix PostgreSQL server doesn’t listen error While trying to connect to Postgress you may face this error – Server doesn’t listen. Error: This is not an error exactly but an exception that occurs when we are running two

Open Visualforce page on Custom Button click and hide Record ids in URL Problem:- How to hide the selected record Ids in the Url while using the listview Custom Button? Solution:- Create custom button on any object having content source

Introduction to ChromeDriver for Selenium with a Code example to test a Website page title Chrome driver is used to perform the automation testing in chrome browser. Selenium requires this driver to run your test cases in chrome browser. You