InfoBrisk | Information Brisked Up

How to customize Spring Security’s AuthenticationFailureHandler in a Spring Boot application?

August 12, 2020Sandeep

We handle successful authentications by implementing the onAuthenticationSuccess() method of Spring Security’s AuthenticationSuccessHandler Interface. We write our own code to handle the activities and flow for successfully logged in users. Similarly we can handle the authentication failures using Spring Security’s AuthenticationFailureHandler Interface. Spring handles authentication failures and redirect users to the login page by itself […]

How to use jsPDF to generate a PDF file from HTML?

August 8, 2020Sandeep

jsPDF is a javascript library to generate PDF files from your HTML content. Following are the steps to implement: First, you should load the js either by using the cdn: or by locally downloading it from: Now let’s add the javascript code: Above is the javascript part and following is your HTML div element: This […]

How to use Hibernate’s @ColumnTransformer annotaion? How to format or modify a database column value using @ColumnTransformer?

August 6, 2020Sandeep

Let me give you an introduction. If you want to skip and jump quickly into the implementation part then scroll down to the Examples section. First of all, what is an SQL Expression? It’s a combination of one or more values, operators and SQL functions that evaluates to a value. We usually use queries combined […]

Socket.IO using Node.JS and Express web framework

February 10, 2018Sandeep

Many of us have been playing around with Socket.IO to enable real-time communication. Still thought of sharing some (more) information. In this post I will not go in deeper to explain the implementation as it’s clearly mentioned on the Socket.IO site. I will publish another post in detail on integrating Socket.IO with a Spring web […]

Which are the best online client-side code editors?

December 13, 2013Sandeep

We all have noticed the introduction of a number of online code editors over the years. They provide an online learning environment. The biggest advantage of all these is that you can save much of your time in testing some code parts. Also within minutes, do any experimental work online without wasting your system’s memory […]

How to play YouTube videos faster

December 11, 2013Sandeep

It is hard to think of not having the best and most popular video sharing site YouTube when we are in search of a video. It is even harder if you find the video taking a long time to load/play. Also, when you try to backward or forward a video, it will force the video to […]

What is Java Call Stack?

February 14, 2010Sandeep

To start with, what does an Exception mean? It is an event that disrupts the normal flow of a program’s execution. When an exception is thrown from inside a method, the Java Runtime System attempts to find an ordered list of methods that had been called to reach the method where the error occurred. This […]

What is Thread Scheduling in Java?

January 14, 2010Sandeep

Execution of multiple threads/tasks on a single processor is called Thread Scheduling. Scheduling can mainly be of two types. 1) Preemptive scheduling 2) Time-sliced scheduling In Preemptive scheduling, the thread with the highest priority runs first. it keeps running until it reaches wait or dead stage or a higher priority thread comes. In Time-sliced scheduling, […]

soapUI – One of the best Web Services Testing tools in the world

January 6, 2010Sandeep

Many of the web based systems rely on web services for platform independent communication between components or applications. Soap UI is one of the most popular web service testing tools that I have come across. By taking our WSDL file as input, it does the work. The easy-to-use graphical interface makes it simple to work […]

errorPage attribute of JSP Page directive

December 30, 2009Sandeep

As you all know, errorPage attribute of JSP page directive is used to take the user to an error page (which may be common for all the pages) in case of any exceptions. Guess what will be the result if we try to load the following JPS files. 1) first.jsp it has the following statements […]