How to delete records in Spring Data based on multiple values?

Spring Data has made it so easy to deal with database. Most boiler plate code are removed and user can just concentrate on the business logic.

How to launch a web browser as soon as Spring Boot application starts and develop a stand-alone application without any server set up?

I wanted to develop a stand-alone application using angular as front end and spring boot for the back…

How to set up initial data while launching a spring boot application?

How to implement design patterns in Java?

Design Patterns help in building maintainable and reusable code.

Here are the 23 Design Patterns explained by the Gang of Four in their book “Design Patterns – Elements of Reusable Object-Oriented Software”

What is the difference between firstChild and firstElementChild in Javascript?

The difference between firstChild and firstElementChild can sometimes be confusing.
firstChild considers both text and comment between html tags as child whereas firstElementChild does not.

How to connect to Google Firebase Realtime database from your web project?

If you have a start up idea and have little money to invest for the product, using Google Firebase gives you a great head start. It has a generous free limit in their starter plan.
One feature is the…

Tips to save time writing console.log() in JavaScript

console.log() is of great help for debugging Javascript code .
But writing them is time consuming. You can save time by following these two tricks:

1. Enclose variables in curly braces :