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 to create server based applications Read more…
How to fix PostgreSQL server doesn’t listen error
While trying to connect to Postgress you may face this error – Server doesn’t listen.
This is not an error exactly but an exception that occurs when we are running two Read more…
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 can download the latest version of Read more…
Free Online Courses With Personalized Certificate
I started writing this tutorial targeting MCA students in Himachal Pradesh University, Shimla, India (from where I did MCA back in 99). This is an attempt to help students learn Java by practice. I am posting this tutorial(work in progress) on my blog Read more…
Here is the process for creating and runnning multiple cron Jobs in Laravel
Cron: It is a scheduler which runs after a specific interval or at specific time. It should be used when developer wants to run a piece of code at a particular Read more…
What are the different ways to clear WordPress Cache?
Sometimes WordPress sites load slow or do not load modified content because of cache problems. How to clear the cache of wordpress site or pages? Some methods are explained below:
1. Use the Read more…
PHP script scheduling without cron job
Sometimes a website built in php needs to schedule a script on daily or hourly basis – for example, Reminder Emails, Newsletter emails or Database backups to be taken automatically. Normally, these types of backend tasks can be handled with the Read more…
Built in Web Server in PHP and How to Use it
What is Built in Web Server?
Built-in web server is used for development and testing the PHP application without using LAMP, just launch the built-in server from the Read more…
Tips to improve SQL query performance
1. Avoid usage of multiple joins in a single query. Unnecessary joins degrade your query performance.
2. Creation of indexes on the table. Indexes are used for improving your queries. We need to create the indexes Read more…
What is the purpose of Developer Console, Workbench and Force.com IDE and their differences
Prerequisite: Salesforce Org should be API-enabled for these tools to run. Salesforce API-enabled editions are:
1) Developer Edition
2) Enterprise Edition or above
Below, I am going to describe Read more…
How to install and update WordPress in local machine
Here are the steps to install WordPress on local machine:
1. Download zip file of WordPress new version – Using this \link https://codex.Wordpress.org you can download the zip of WordPress of new version Read more…
Custom Component in Visualforce Page
Custom Component is very useful in the Salesforce. Sometimes, in the visualforce page, we need the same block of code again and again. For this, we can create VisualForce Component which will contain the common code which is used again and Read more…
Selenium is an open source automation testing tool. It is used to test the web application. Selenium supports multiple languages to create an automation script such as Java, Python, PHP, C#, Ruby.
In case we want to test with Read more…
How to validate/deploy a changeset with specific test cases in Salesforce Production Org?
Steps to create and deploy a Change Set:
1. Search Outbound ChangeSet in Quick Find Box in Sandbox Org. Then click on new button Read more…
The list of some new and useful features in Laravel 5 and higher versions
1. Migrate:fresh Command: Refresh command runs all the down methods from database migrations. There may be some cases where down method for some database migrations are not given which Read more…
How to create a PDF on air (in a variable) and sending it as an email attachment?
Problem:- I need to create a PDF and send it as an attachment with email but I don’t have permission to write a new PDF file Read more…
Introduction to Salesforce Community Cloud and Steps to create and customize it
Communities are like portals or support sites for connecting important people. Communities improve engagement with your Customers, Partners, and Employees.
You can create multiple communities inside your salesforce org for different type of needs Read more…
How to bulk upload files to AWS S3 Bucket (using Laravel)
Amazon Simple Storage Service (Amazon S3) is used to store and retrieve any amount of data, at any time, from anywhere on the web. While storing data to AWS S3 bucket one way is to Read more…
What is Node Package Manager (NPM), how to install, uninstall and update It? How to create module in Node JS?